{ "data": { "a": { "slug": "axlr", "name": "AXLR", "vendor": "Underpass AI", "vendorUrl": "https://axlr.underpassai.com", "kind": "harness", "category": "agent-harnesses", "summary": "Open-source Go execution engine for agentic work from Underpass AI. A console with work modes and approval cards, an mTLS HTTP, gRPC and MCP service, a JSON worker and a Go library, with KMP memory and MADE procedures over MCP.", "url": "https://www.anchorterminal.com/tools/axlr", "markdownUrl": "https://www.anchorterminal.com/tools/axlr.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/axlr.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/axlr.json", "dns": "axlr.grade.anchorterminal.com", "repo": "https://github.com/underpass-ai/AXLR", "license": "Apache-2.0, with a NOTICE naming Tirso García Ibáñez as the copyright holder", "transports": [], "packages": [ { "registry": "go", "name": "github.com/underpass-ai/AXLR" }, { "registry": "oci", "name": "ghcr.io/underpass-ai/axlr" }, { "registry": "oci", "name": "ghcr.io/underpass-ai/charts/axlr" } ], "auth": "mixed", "authNotes": "The console and the one-command `axlr-tui --exec` need a model route, an OpenRouter key (`OPENROUTER_API_KEY` or `credentials.json`, mode 0600), a local OpenAI-compatible server, or an Anthropic Messages or OpenAI Responses key in a `local_models` entry; the JSON worker and the library tests need no model account. The service, `axlr-serve`, requires TLS 1.3 and a client certificate signed by its CA whose SHA-256 fingerprint is mapped in a private principals file to a principal and the roles `session_client`, `approver`, `tool_operator` and `admin`; an unmapped certificate is forbidden, a session belongs to the principal that created it, and authentication never approves a tool by itself. MCP at `/mcp` is stateless and authenticated per request by the same certificate; gRPC uses the TLS peer certificate.", "pricing": "free", "pricingNotes": "Free and open source under Apache-2.0, with nothing to buy from Underpass AI. You pay your model provider (OpenRouter reports a cost per request, which the console's `/usage` and `max_session_usd` track) or run a local server at no charge; TypeSafe's Jev judge is optional and needs its own key. No hosted AXLR exists (checked 2026-11-01).", "priceSummary": "Free · OSS", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the repository, the OpenAPI file or the two sites (checked 2026-11-01). Nothing is sold.", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 0, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-11-01" }, "docsUrl": "https://axlr.underpassai.com/docs/", "openapi": "https://github.com/underpass-ai/AXLR/blob/main/api/openapi/axlr-v1.yaml", "capabilities": [ "agent.harness", "agent.mcp-client", "agent.multi-agent" ], "tags": [ "open-source", "local", "self-hosted", "free", "no-card", "go", "cli", "mcp-client", "openapi", "grpc", "docker", "helm", "sandbox", "approvals", "pre-1.0", "new" ], "lastRelease": "2026-10-25", "graded": true, "anchor": { "graded": true, "score": 70.6, "grade": "BB", "agentReady": true, "rank": 168, "ranked": true, "rankOf": 1253, "categoryRank": 3, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 83, "maintenance": 79, "payments": 60, "reliability": 70, "schema": 80, "security": 62, "transparency": 55 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-01" }, "negative": 0, "verdict": "A pre-1.0 Go harness with an unusually complete service contract, mutual TLS with principal roles, required idempotency keys, a policy, budget and sandbox per execution, and a result object a program can read. The console's defaults after setup are autonomy on and no sandbox, the project has one maintainer and no outside users yet, and releases carry no notes.", "bestFor": "A program or bot that needs one governed execution at a time, with a policy, a budget, a sandbox profile and correlation ids it sets itself and a result object it reads back, on a machine it controls, with the model on OpenRouter, a local server or a native Anthropic or OpenAI key.", "strengths": [ "mTLS HTTP, gRPC and MCP service with four principal roles, `Idempotency-Key` required on turns, approvals and direct calls, and `expected_revision` on decisions", "A policy (observe, propose, act-with-approval, act-within-policy), a budget in seconds, requests, tool calls and dollars, and a bubblewrap or container sandbox with an enforced egress allow list, each per execution", "`axlr-tui --exec --json` runs one task headless and ends with a result object; exit 0 done, 3 waiting for a decision, 1 error", "OpenRouter, local OpenAI-compatible servers (llama.cpp, vLLM, Ollama, LM Studio), and the Anthropic Messages and OpenAI Responses APIs spoken directly", "21 releases in October 2026 from a workflow that tests on six native runners and refuses to republish different bytes, with a `.sha256` beside every archive" ], "weaknesses": [ "The setup assistant turns autonomy on and leaves the exec sandbox off, so after setup the model's commands run with the person's rights, bar the destructive list", "Pre-1.0 with one maintainer, 0 stars and 10 open issues, all the founder's own trackers; releases have empty notes and there is no changelog", "The service needs KMP and MADE as remote gRPC services, a client CA and a principals file before a first session, and has no work modes, plugins or forged-tool setting yet", "No SECURITY.md, security.txt, advisories or disclosure route; the legal entity is not yet incorporated and no terms or privacy policy exist", "No llms.txt, and the Go library is the only SDK; the catalog registry answers every non-AXLR client with 403" ], "agentNotes": [ "Before the first prompt, set `approvals.autonomous` to false or run with `--approve none`, and turn `exec_sandbox.mode` to `auto` or `required` on Linux; after setup both default the other way", "Drive a run with `axlr-tui --exec --json --policy \u003cfile\u003e --budget \u003cfile\u003e --sandbox \u003cfile\u003e` and read only the last `result` line; exit 3 means a call waits for `--decide approve|deny` with `--session \u003cid\u003e`", "On the service, send `Idempotency-Key` (16 to 128 safe ASCII characters) on every turn, approval and direct call, and pass the session's `expected_revision`; a reused key with a different body answers 409", "A local model must return native tool calls (llama.cpp with `--jinja`, vLLM with `--enable-auto-tool-choice`); set `context_tokens` on the entry and `OLLAMA_CONTEXT_LENGTH` for Ollama", "Leave `TYPESAFE_API_KEY` unset unless you want the setup assistant to switch Jev on, which sends requests and final answers to TypeSafe" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "BB", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 70.6 } ], "editorialScores": { "ergonomics": 83, "maintenance": 79, "payments": 60, "reliability": 70, "schema": 80, "security": 62, "transparency": 68 }, "provenanceScore": 42, "checked": { "categories": { "ergonomics": "2026-11-01", "maintenance": "2026-11-01", "payments": "2026-11-01", "reliability": "2026-11-01", "schema": "2026-11-01", "security": "2026-11-01", "transparency": "2026-11-01" }, "last": "2026-11-01", "oldest": "2026-11-01", "stale": false, "staleAfterDays": 90 } }, "connect": { "install": "V=v0.15.0; OS=linux; ARCH=amd64; curl -fsSLO https://github.com/underpass-ai/AXLR/releases/download/$V/axlr-$V-$OS-$ARCH.tar.gz{,.sha256} \u0026\u0026 sha256sum -c axlr-$V-$OS-$ARCH.tar.gz.sha256 \u0026\u0026 tar xzf axlr-$V-$OS-$ARCH.tar.gz -C ~/.local/bin axlr axlr-tui axlr-serve # or build from source with Go 1.26", "headless": { "command": "axlr-tui --root \"$PWD\" --exec \"$TASK\" --json --approve none --policy policy.json --budget budget.json --sandbox sandbox.json", "decide": "axlr-tui --session \u003cid\u003e --decide approve --json", "env": { "OPENROUTER_API_KEY": "\u003ckey\u003e" } } }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/axlr" }, "area": "frameworks", "provenance": { "legalEntity": "", "domain": "underpassai.com", "domainRegistered": "2025-08-10", "endpointOnVendorDomain": null, "terms": "", "privacy": "", "statusPage": "", "changelog": "https://github.com/underpass-ai/AXLR/releases", "securityTxt": "none", "checked": "2026-11-01", "notes": [ "No legal entity exists yet. underpassai.com's footer says Underpass AI is a startup project created by Tirso García Ibáñez and preparing incorporation as a Spanish limited liability company, that the technical assets are founder-owned and intended to be assigned to the company after incorporation, and that licence terms are in each repository's LICENSE and NOTICE. The NOTICE names Tirso García Ibáñez as copyright holder. Recorded as absent with that explanation.", "No terms of service or privacy policy on underpassai.com (sitemap lists the home page and one article) or axlr.underpassai.com. For local software the docs' 'Where data goes' and 'Diagnostics and privacy' sections stand in.", "RDAP for underpassai.com gives registration on 2025-08-10 with Route 53 nameservers. The GitHub organisation underpass-ai was created on 2025-08-09, location Spain, 16 public repositories. The AXLR repository was created on 2026-09-29; the first tag and release, v0.1.0, is dated 2026-10-04, which is firstReleased.", "https://underpassai.com/.well-known/security.txt and https://axlr.underpassai.com/.well-known/security.txt answer 404; the repository has no SECURITY.md. No status page (local software). The changelog is the GitHub releases list, whose entries carry no notes.", "robots.txt on underpassai.com and axlr.underpassai.com allow everything. registry.underpassai.com answers every path, robots.txt included, with 403 'forbidden: client is not AXLR', so nothing was read from it after that reply.", "The founder's LinkedIn URL is linked from underpassai.com and was not visited." ], "score": 42 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/axlr.json" }, "answer": "AXLR scores 70.6 (BB) on agent readiness against Jules's 44.7 (E), and leads in every scored category.", "b": { "slug": "jules", "name": "Jules", "vendor": "Google LLC", "vendorUrl": "https://jules.google", "kind": "harness", "category": "agent-harnesses", "summary": "Jules is Google's asynchronous coding agent, which clones a GitHub repository into a cloud virtual machine, plans, edits and opens pull requests. Outside agents drive it through an alpha REST API, a TypeScript SDK, an MCP package and a CLI.", "url": "https://www.anchorterminal.com/tools/jules", "markdownUrl": "https://www.anchorterminal.com/tools/jules.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/jules.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/jules.json", "dns": "jules.grade.anchorterminal.com", "repo": "https://github.com/google-labs-code/jules-sdk", "license": "Proprietary service under the Google Terms of Service. The TypeScript SDK is Apache-2.0; the CLI binary is closed", "transports": [ "http", "stdio" ], "packages": [ { "registry": "npm", "name": "@google/jules" }, { "registry": "npm", "name": "@google/jules-sdk" }, { "registry": "npm", "name": "@google/jules-mcp" } ], "auth": "mixed", "authNotes": "The REST API takes an API key in the `X-Goog-Api-Key` header. Keys are created by a person in Settings in the Jules web app, at most three at a time, shown once and revocable there, and publicly exposed keys are disabled automatically. Keys carry no scopes. The discovery document also lists Google OAuth with the broad cloud-platform scope. The Jules Tools CLI signs in with a Google account in the browser (`jules login`). Repository sources need the Jules GitHub app installed through the web app.", "pricing": "freemium", "pricingNotes": "Free plan with 15 tasks a day and 3 concurrent tasks. Jules in Pro (100 a day, 15 concurrent) and Jules in Ultra (300 a day, 60 concurrent) come with the Google AI Pro and Ultra plans, and the Google AI plans page lists AI Plus with expanded Jules limits (jules.google/docs/usage-limits and one.google.com/about/google-ai-plans, checked 2026-10-18). Paid plans are for personal @gmail.com accounts, with an interest form for business users. The plan prices render per locale and weren't read. No per-task or per-call price.", "priceSummary": "Freemium", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the Jules docs, the API reference, the discovery document or the plans pages (checked 2026-10-18).", "endpoints": [] }, "toolCount": 8, "popularity": { "githubStars": null, "npmWeekly": 1269, "pypiWeekly": null, "asOf": "2026-10-18" }, "docsUrl": "https://jules.google/docs/", "llmsTxt": "https://jules.google/docs/llms.txt", "openapi": "https://jules.googleapis.com/$discovery/rest?version=v1alpha", "capabilities": [ "agent.harness", "agent.mcp-client", "agent.multi-agent" ], "tags": [ "official", "hosted", "cloud-agent", "closed-source", "api-key", "alpha", "llms-txt", "mcp", "no-status-page", "stale-release", "freemium" ], "lastRelease": "2026-03-09", "graded": true, "anchor": { "graded": true, "score": 44.7, "grade": "E", "agentReady": false, "rank": 1070, "ranked": true, "rankOf": 1253, "categoryRank": 40, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 64, "maintenance": 18, "payments": 30, "reliability": 13, "schema": 76, "security": 57, "transparency": 46 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-18" }, "negative": 0, "verdict": "The API is described by a public Google discovery document, takes only a prompt to start a session, and logs every plan, shell command and diff as activities. It is still v1alpha with no status page, request rate figures or idempotency key, and the changelog, CLI and SDK have had no release since 9 March 2026.", "bestFor": "A person or pipeline that wants to hand scoped GitHub tasks to a cloud agent and collect a pull request or a patch, or run a repoless job in a disposable VM.", "strengths": [ "Public discovery document for jules.googleapis.com v1alpha with 13 methods, typed schemas, enums and required fields, revision 20261015", "Only `prompt` is required to create a session. A session without `sourceContext` runs repoless in a fresh cloud VM", "Activities record plans, messages, bash commands with exit codes and git patches, and can be filtered by `create_time` to fetch only new events", "Four ways in for an outside agent, the REST API, the Apache-2.0 TypeScript SDK, an 8-tool stdio MCP server and the Jules Tools CLI", "Free plan of 15 tasks a day and 3 concurrent tasks with a Google account, and docs served as Markdown with an llms.txt index" ], "weaknesses": [ "The REST API has been v1alpha since 3 October 2025 and the docs say specifications and API keys may change", "Newest changelog entry is 9 March 2026, the CLI's last npm release 0.1.42 was on 16 December 2025, and the SDK and MCP packages last published 0.2.0 on 9 March 2026", "No status page, no request rate figures, no Retry-After guidance and no idempotency key on session creation were found", "API sessions auto-approve their plans unless `requirePlanApproval` is true, and the MCP server defaults to an automated run that opens a pull request", "A person must sign in with Google, install the Jules GitHub app and create the key in the web app. Keys carry no scopes" ], "agentNotes": [ "Set `requirePlanApproval: true` on sessions that touch shared branches, then call `:approvePlan` yourself. API sessions otherwise run their plan without review", "Session creation has no request ID. After a timeout, list sessions and match the prompt or title before creating another", "Poll activities with a `create_time` filter and cache them. Activities never change once written", "Read the request fields from the discovery document at https://jules.googleapis.com/$discovery/rest?version=v1alpha. The field tables on jules.google render empty", "Budget against the daily task quota of 15, 100 or 300 by plan. New sessions are refused until the rolling 24 hours reset" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 4, "avgRating": 2.8, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "E", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 44.7 } ], "editorialScores": { "ergonomics": 64, "maintenance": 18, "payments": 30, "reliability": 13, "schema": 76, "security": 57, "transparency": 25 }, "provenanceScore": 67, "checked": { "categories": { "ergonomics": "2026-10-18", "maintenance": "2026-10-18", "payments": "2026-10-18", "reliability": "2026-10-18", "schema": "2026-10-18", "security": "2026-10-18", "transparency": "2026-10-18" }, "last": "2026-10-18", "lastMoved": "2026-10-27", "oldest": "2026-10-18", "stale": false, "staleAfterDays": 90 } }, "connect": { "install": "npm install -g @google/jules # Jules Tools CLI, then: jules login", "http": "curl 'https://jules.googleapis.com/v1alpha/sessions' -X POST -H \"Content-Type: application/json\" -H \"x-goog-api-key: $JULES_API_KEY\" -d '{\"prompt\": \"Add a test for parseQueryString in utils.js\", \"sourceContext\": {\"source\": \"sources/github/OWNER/REPO\", \"githubRepoContext\": {\"startingBranch\": \"main\"}}, \"requirePlanApproval\": true}'", "config": { "mcpServers": { "jules": { "args": [ "@google/jules-mcp" ], "command": "npx", "env": { "JULES_API_KEY": "\u003capi-key\u003e" } } } }, "headless": { "run": "jules remote new --repo . --session \"write unit tests\"" } }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/jules" }, "area": "frameworks", "provenance": { "legalEntity": "Google LLC", "domain": "jules.google", "domainRegistered": "2025-01-16", "endpointOnVendorDomain": true, "terms": "https://policies.google.com/terms", "privacy": "https://policies.google.com/privacy", "statusPage": "", "changelog": "https://jules.google/docs/changelog/", "securityTxt": "none", "checked": "2026-10-18", "notes": [ "The jules.google footer links the Google Terms of Service and Privacy Policy. The Jules privacy notice at jules.google.com/legal answered 'Jules is not yet available in your region' to our request and wasn't read.", "jules.google returns 404 for /.well-known/security.txt. www.google.com has a valid security.txt (expires 2030-04-01) pointing to g.co/vulnz and the Google VRP.", "The API answers at jules.googleapis.com, Google's API domain. RDAP for jules.google gives a registration date of 2025-01-16.", "No status page for Jules was found." ], "score": 67 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/jules.json", "live": { "slug": "jules", "versions": [ { "registry": "github", "name": "google-labs-code/jules-sdk", "version": "0.0.4", "released": "2026-02-03", "seenAt": "2026-11-01T17:07:43.501742572Z" }, { "registry": "npm", "name": "@google/jules", "version": "0.1.42", "seenAt": "2026-11-01T17:07:39.196055314Z" }, { "registry": "npm", "name": "@google/jules-mcp", "version": "0.2.0", "seenAt": "2026-11-01T17:07:41.446903854Z" }, { "registry": "npm", "name": "@google/jules-sdk", "version": "0.2.0", "seenAt": "2026-11-01T17:07:39.708344449Z" } ], "githubStars": 139, "npmWeekly": 1990, "securityTxt": { "url": "https://jules.google/.well-known/security.txt", "state": "none", "checkedAt": "2026-11-01T15:43:30.937618834Z" }, "llmsTxt": { "url": "https://jules.google/docs/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-11-01T15:14:05.193420492Z" }, "domain": { "domain": "jules.google", "registered": "2025-01-16", "source": "https://pubapi.registry.google/rdap/domain/jules.google", "checkedAt": "2026-11-01T14:18:24.278305982Z" }, "pages": [ { "url": "https://jules.google/docs/changelog/", "kind": "changelog", "status": 304, "checkedAt": "2026-11-01T06:45:59.607527673Z", "changedAt": "2026-10-30T05:41:50.628011713Z", "fingerprint": "e5e732f35aa5" } ], "github": { "repo": "google-labs-code/jules-sdk", "checkedAt": "2026-10-26T07:31:02.934575869Z", "stars": 138, "archived": false, "issuesEnabled": true, "pushedAt": "2026-07-23T17:46:04Z", "openIssues": 5, "openPRs": 6, "issuesOpened90d": 0, "issuesClosed90d": 0, "prsMerged90d": 0, "replies": { "sampled": 25, "unanswered": 5, "medianDays": 0.4 } }, "updatedAt": "2026-11-01T17:07:43.501742572Z" } }, "edges": [ { "by": 61, "category": "maintenance", "leads": "axlr", "name": "Maintenance \u0026 community", "reasons": { "a": "v0.15.0 on 2026-10-25, with commits on main to 2026-11-01 (30). 21 releases between 4 and 25 October 2026 (20). One maintainer (368 of 399 commits, the rest by two agent accounts), 10 open issues that are his own trackers with no comments, about 100 merged pull requests and no outside report to measure a reply against (15). Not in the MCP registry; the Go module and a proto to generate clients from are the only client code, beside the GHCR image and Helm chart (5). Go 1.26 toolchain pinned, release actions pinned by commit SHA, a go-licenses check that the third-party bundle matches the dependency graph, and CI passing on main (9). 30+20+15+5+9 = 79.", "b": "Closed service. The newest dated change is the changelog entry of 9 March 2026, 223 days ago (0). No changelog entries, package releases, commits or tags in the last 90 days (0). A public changelog and a Discord channel. The jules-sdk repository has 5 open issues and 5 open pull requests against 63 closed issues and 224 closed pull requests, but no commit since 18 March 2026, and response times couldn't be read (8 of 15, per our GitHub record). The official TypeScript SDK and MCP packages last published 0.2.0 on 9 March 2026, and the MCP server isn't in the official MCP registry (5). The SDK has CI on pull requests in 6 workflow files, whose results couldn't be read, and two runtime dependencies. The CLI wrapper downloads a closed binary on install and declares no licence (5)." }, "scores": { "a": 79, "b": 18 } }, { "by": 57, "category": "reliability", "leads": "axlr", "name": "Reliability", "reasons": { "a": "Read as a local package, as claude-code, goose, opencode and openhands were. Release archives for Linux, macOS and Windows on amd64 and arm64 with a `.sha256` beside each, a GHCR image, an OCI Helm chart and source builds with Go 1.26, all stated in the docs; no Homebrew, npm or apt route (20). CI on main runs vet, race tests and a coverage gate above 80 per cent for both modules, with the sandbox tests required under bubblewrap, and the last ten runs on main to 1 November 2026 all passed; the release workflow tests on six native runners (25). 10 open issues, all opened by the founder on 19 and 21 October 2026 as trackers for service work (work modes, plugins, the sandbox setting, cost limits), none from an outside user and none a crash report, 0 open pull requests and about 100 merged; with 0 stars there is nobody else to report, so the handling of outside reports is untested (20). Tags are semver 0.x and the docs date each behaviour change inline (\"until 14 October 2026…\"), but the 21 releases have empty notes, there is no CHANGELOG.md, and the product contract records one retirement (the seven 1.0 skill definitions on 5 October 2026) without a notice period (5). Pre-1.0, which the README calls an evolving project (0). 20+25+20+5+0 = 70.", "b": "Hosted reading. No status page for Jules was found (0). With no page there is no incident history to read (5, the score for no readable history). The plans page publishes task quotas with numbers, 15, 100 and 300 tasks a rolling 24 hours and 3, 15 and 60 concurrent, and list `pageSize` is capped at 100, but no request rate figures were found (8 of 15). 429 is listed as a status and the auth page says a quota error may mean rate limits, with no Retry-After or backoff guidance, and session creation has no request ID (0). No SLA found (0). The API is v1alpha and labelled experimental (0)." }, "scores": { "a": 70, "b": 13 } }, { "by": 30, "category": "payments", "leads": "axlr", "name": "Payments \u0026 pricing", "reasons": { "a": "No payment protocol (0). Free and Apache-2.0 with nothing to buy, so 20, 20 and 20 on the last three lines by the self-hosted rule, since the docs say what you pay your model provider, the free route needs no card, and it runs local models with no signup at all, the JSON worker without any model. 0+20+20+20 = 60.", "b": "Published rubric. No payment protocol (0). Plans and their Jules limits are public without a login, and Jules sits inside the Google AI plans. The prices render per locale and weren't read, and there's no per-task price (10). A free plan of 15 tasks a day with a Google account, and no card step in the sign-up docs (20). A person signs in, accepts the privacy notice, installs the GitHub app and creates the key in the web app (0)." }, "scores": { "a": 60, "b": 30 } }, { "by": 19, "category": "ergonomics", "leads": "axlr", "name": "Agent ergonomics", "reasons": { "a": "Harness reading of the framework line, scored on what a program driving it has to supply. Six local tools plus the host's bookkeeping tools; work modes and an execution policy hide the tools a run may not use, `axlr_catalog` searches the catalog instead of loading it, forged tools keep the request prefix for the prompt cache, and a context cap of 75,000 prompt tokens opens a successor session (20). `local_read`, `local_search` and `local_list` page with `offset`, `next_offset` and `max_bytes`; `StreamEvents` takes `after`, `max_events` (1 to 256) and `wait_ms`; a budget per execution in seconds, requests, tool calls and dollars; 32 tool calls a turn and `max_session_usd` (20). The `--exec` run ends in one `result` line with a status, the pending call, every call's outcome and the usage, and exits 0, 3 or 1; service errors carry codes an agent can act on; a budget stop says which limit (`budget: requests 20 reached`) and leaves the session resumable (16). `Idempotency-Key` on every turn, approval and direct call with cross-transport replay, `expected_revision` on decisions, `expected_sha256` on worker writes, and an interrupted effectful call left `uncertain` for an operator rather than retried (19). One command runs a task, but the first launch needs an OpenRouter key or a local server, the service needs a CA, a principals file and remote KMP and MADE before a first session, and the only SDK is the Go library (8). 20+20+16+19+8 = 83.", "b": "API and MCP reading. Responses can be sized with `pageSize`, the standard `fields` parameter and a `create_time` filter that fetches only new activities. The MCP server has 8 tools, and `query_cache` takes a token budget (20). Token pagination on every list and filters on sessions, activities and sources (16). Google's error JSON with `status` and an ErrorInfo `reason`, plus a documented status table (14). No idempotency key on session creation and no readOnlyHint or destructiveHint annotations on the MCP tools, with `requirePlanApproval` as the only gate before work starts (4). Only `prompt` is required and a session without a source runs repoless. One official SDK, in TypeScript, plus the MCP server and CLI (10)." }, "scores": { "a": 83, "b": 64 } }, { "by": 9, "category": "transparency", "leads": "axlr", "name": "Transparency \u0026 trust", "reasons": { "a": "Apache-2.0 with a NOTICE (30). No privacy policy or terms on underpassai.com or axlr.underpassai.com; the docs' 'Where data goes' and 'Diagnostics and privacy' sections say that model requests go to OpenRouter, the local server or the native API, that Jev sends text to TypeSafe only when on, that sessions live under `$XDG_STATE_HOME/axlr`, that payload capture is off by default and redacted when on, and that traces are deleted after 30 days; nothing covers the engine downloads' or the catalog registry's handling of a client's requests (15). No deprecation policy; pre-1.0 changes are dated inline in the docs and the product contract records the 5 October 2026 retirement of the first skill catalogue after the fact (6). No telemetry to disclose, and the docs say in two places what leaves the machine and how to stop payload capture, though no single page says there is no telemetry (17). 30+15+6+17 = 68.", "b": "Editorial half. Closed service under the Google Terms of Service. The SDK is Apache-2.0, but npm lists @google/jules-mcp as ISC while its README says Apache-2.0, and @google/jules declares no licence (12). The FAQ says private repositories aren't used for training. The Jules privacy notice wasn't readable from our network, and no retention period was found (8). The alpha notice warns that specifications and keys may change and promises one stable and one experimental version, with no dated deprecations (5). No subprocessor or data location statement found (0)." }, "scores": { "a": 55, "b": 46 } }, { "by": 5, "category": "security", "leads": "axlr", "name": "Security \u0026 auth", "reasons": { "a": "Harness reading of the framework checklist, as for the other four harnesses. 30 for what leaves the machine by default, 20 for approvals and sandboxing, 15 for prompt-injection posture, 15 for audit and 20 for the security programme. No product telemetry in the console source (the outbound hosts are openrouter.ai, api.anthropic.com, api.openai.com, a configured local server, api.github.com and github.com for engine downloads, and registry.underpassai.com for the signed catalog index) or in the docs; payload capture is off by default since 9 October 2026, traces omit prompts and credentials, model keys are never given to commands or plugins, and Jev sends requests and answers to TypeSafe only when on, which the setup assistant does when `TYPESAFE_API_KEY` is set, with a notice on stderr (27). Approval cards, a destructive list that always asks, four work modes, a policy level per execution, a bubblewrap or container sandbox with an enforced egress allow list, and a service that approves nothing but reads. Against that, the setup assistant writes `autonomous: true`, `exec_sandbox` is off by default, forged tools run with the person's rights, and the README says the console and worker are not sandboxes (13). Forged tools are refused when a file changes since the forge, a policy forbids calls outside the model, and the docs say MCP tools keep their own side effects, but no prompt-injection guidance was found and MCP results reach the model unmarked (6). The service keeps an event journal, audit records, a receipt with the SHA-256 of every call's arguments and outcome, and correlation ids on every event; the console keeps session records, a redacted app log and `/session` (14). No SECURITY.md, no security.txt on either host, no advisories, no bug bounty; release checksums and a minisign-signed catalog are integrity, not a programme (2). 27+13+6+14+2 = 62.", "b": "Hosted reading. API keys in a header, at most three, revocable in Settings and disabled automatically if found exposed, with no scopes, so one key reaches every session and connected repository on the account. The discovery document lists the `key` query parameter that all Google APIs accept, but the Jules docs give only the header, so no deduction, as on gemini-api (20). Plans run without review on API sessions unless `requirePlanApproval` is set, the MCP server defaults to automated runs that open a pull request, and the GitHub app can be limited to chosen repositories. No read-only key (10). Each VM has internet access and the FAQ puts the burden on the user. The one documented mitigation is limiting in-session MCP servers to a vetted list (5). Activities log every plan, message, bash command and patch per session. No account audit log of key use found (8). www.google.com security.txt and the Google VRP, and a SECURITY.md in the jules-sdk repository. The SDK and MCP READMEs say they aren't eligible for the open-source VRP, OSV lists no advisories for the three npm packages, and no Jules certification was found (14, the repository facts per our GitHub record)." }, "scores": { "a": 62, "b": 57 } } ], "facts": [ { "a": "Agent harness", "b": "Agent harness", "name": "Kind" }, { "a": "Underpass AI", "b": "Google LLC", "name": "Vendor" }, { "a": "no (local only)", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "", "b": "HTTP, stdio", "name": "Transports" }, { "a": "OAuth or key", "b": "OAuth or key", "name": "Auth" }, { "a": "Free", "b": "Freemium", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Apache-2.0, with a NOTICE naming Tirso García Ibáñez as the copyright holder", "b": "Proprietary service under the Google Terms of Service. The TypeScript SDK is Apache-2.0; the CLI binary is closed", "name": "Licence" }, { "a": "none", "b": "8", "name": "Tools exposed" }, { "a": "no", "b": "no", "name": "Read-only variant documented" }, { "a": "no", "b": "yes", "name": "llms.txt" }, { "a": "2026-10-25", "b": "2026-03-09", "name": "Last release" }, { "a": "no document linked", "b": "2026-07-30", "name": "Terms last updated" }, { "a": "no document linked", "b": "2026-10-01", "name": "Privacy policy last updated" }, { "a": "not read yet", "b": "yes", "name": "Customer content may train models" }, { "a": "not read yet", "b": "yes", "name": "Terms restrict automated access" }, { "a": "not read yet", "b": "not found in the text", "name": "Terms restrict benchmarking" }, { "a": "not read yet", "b": "not found in the text", "name": "Terms or service can change without notice" }, { "a": "not read yet", "b": "not found in the text", "name": "Arbitration or class-action waiver" }, { "a": "0 stars", "b": "1.3k npm/wk", "name": "Popularity" }, { "a": "none", "b": "2.8/5 (4)", "name": "Agent reviews" } ], "faq": [ { "answer": "AXLR scores 70.6 (BB) on agent readiness against Jules's 44.7 (E), and leads in every scored category.", "question": "Which is better for AI agents, AXLR or Jules?" }, { "answer": "AXLR is open source (Apache-2.0, with a NOTICE naming Tirso García Ibáñez as the copyright holder). No open-source release is listed for Jules.", "question": "Are AXLR and Jules open source?" } ], "goodFor": [ { "aheadOn": [ "Reliability, 70 against 13", "Agent ergonomics, 83 against 64", "Security \u0026 auth, 62 against 57", "Payments \u0026 pricing, 60 against 30", "Maintenance \u0026 community, 79 against 18", "Transparency \u0026 trust, 55 against 46" ], "also": [ "Agent-ready, a grade of BB or better", "Free to start without a card", "Open source" ], "goodFor": "A program or bot that needs one governed execution at a time, with a policy, a budget, a sandbox profile and correlation ids it sets itself and a result object it reads back, on a machine it controls, with the model on OpenRouter, a local server or a native Anthropic or OpenAI key.", "slug": "axlr", "watchFor": "The setup assistant turns autonomy on and leaves the exec sandbox off, so after setup the model's commands run with the person's rights, bar the destructive list" }, { "aheadOn": null, "also": [ "Runs on your own machine" ], "goodFor": "A person or pipeline that wants to hand scoped GitHub tasks to a cloud agent and collect a pull request or a patch, or run a repoless job in a disposable VM.", "slug": "jules", "watchFor": "The REST API has been v1alpha since 3 October 2025 and the docs say specifications and API keys may change" } ], "history": { "axlr": null, "jules": [ { "causes": [ "method" ], "date": "2026-10-27", "delta": 0.2, "from": 44.5, "fromGrade": "E", "to": 44.7, "toGrade": "E" } ] }, "job": { "capability": "agent.harness", "name": "Agent harnesses" }, "others": [ { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-axlr.json", "title": "Agent Zero vs AXLR", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-axlr" }, { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-jules.json", "title": "Agent Zero vs Jules", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-jules" }, { "json": 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"https://www.anchorterminal.com/compare/jules-vs-opencode" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-openhands.json", "title": "Jules vs OpenHands", "url": "https://www.anchorterminal.com/compare/jules-vs-openhands" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-openmausbot.json", "title": "Jules vs OpenMausBot", "url": "https://www.anchorterminal.com/compare/jules-vs-openmausbot" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-prime-agent.json", "title": "Jules vs Prime Agent", "url": "https://www.anchorterminal.com/compare/jules-vs-prime-agent" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-qoder-cli.json", "title": "Jules vs Qoder CLI", "url": "https://www.anchorterminal.com/compare/jules-vs-qoder-cli" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-qwen-code.json", "title": "Jules vs Qwen Code", "url": "https://www.anchorterminal.com/compare/jules-vs-qwen-code" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-reflection-mirror.json", "title": "Jules vs Mirror CLI", "url": "https://www.anchorterminal.com/compare/jules-vs-reflection-mirror" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-rovo-dev-cli.json", "title": "Jules vs Rovo Dev CLI", "url": "https://www.anchorterminal.com/compare/jules-vs-rovo-dev-cli" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-unstoppable.json", "title": "Jules vs Unstoppable", "url": "https://www.anchorterminal.com/compare/jules-vs-unstoppable" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-vibe-trading.json", "title": "Jules vs Vibe-Trading", "url": "https://www.anchorterminal.com/compare/jules-vs-vibe-trading" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-warp.json", "title": "Jules vs Warp (Warp Agent CLI and the Oz Agent API)", "url": "https://www.anchorterminal.com/compare/jules-vs-warp" }, { "json": "https://www.anchorterminal.com/compare/axlr-vs-clawboo.json", "title": "AXLR vs Clawboo", "url": "https://www.anchorterminal.com/compare/axlr-vs-clawboo" }, { "json": "https://www.anchorterminal.com/compare/axlr-vs-cli-manager.json", "title": "AXLR vs CLI Manager", "url": "https://www.anchorterminal.com/compare/axlr-vs-cli-manager" }, { "json": "https://www.anchorterminal.com/compare/axlr-vs-harness-autonomous.json", "title": "AXLR vs Harness", "url": "https://www.anchorterminal.com/compare/axlr-vs-harness-autonomous" }, { "json": "https://www.anchorterminal.com/compare/axlr-vs-paperclip.json", "title": "AXLR vs Paperclip", "url": "https://www.anchorterminal.com/compare/axlr-vs-paperclip" }, { "json": "https://www.anchorterminal.com/compare/axlr-vs-parallax-agents.json", "title": "AXLR vs Parallax", "url": "https://www.anchorterminal.com/compare/axlr-vs-parallax-agents" }, { "json": "https://www.anchorterminal.com/compare/clawboo-vs-jules.json", "title": "Clawboo vs Jules", "url": "https://www.anchorterminal.com/compare/clawboo-vs-jules" }, { "json": "https://www.anchorterminal.com/compare/cli-manager-vs-jules.json", "title": "CLI Manager vs Jules", "url": "https://www.anchorterminal.com/compare/cli-manager-vs-jules" }, { "json": "https://www.anchorterminal.com/compare/harness-autonomous-vs-jules.json", "title": "Harness vs Jules", "url": "https://www.anchorterminal.com/compare/harness-autonomous-vs-jules" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-paperclip.json", "title": "Jules vs Paperclip", "url": "https://www.anchorterminal.com/compare/jules-vs-paperclip" }, { "json": "https://www.anchorterminal.com/compare/jules-vs-parallax-agents.json", "title": "Jules vs Parallax", "url": "https://www.anchorterminal.com/compare/jules-vs-parallax-agents" } ], "panel": null, "scores": [ { "axlr": 70, "by": 57, "edge": "axlr", "jules": 13, "key": "reliability", "name": "Reliability", "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "axlr": 80, "by": 4, "edge": "axlr", "jules": 76, "key": "schema", "name": "Schema \u0026 documentation", "weight": 13 }, { "axlr": 83, "by": 19, "edge": "axlr", "jules": 64, "key": "ergonomics", "name": "Agent ergonomics", "weight": 13 }, { "axlr": 62, "by": 5, "edge": "axlr", "jules": 57, "key": "security", "name": "Security \u0026 auth", "weight": 14 }, { "axlr": 60, "by": 30, "edge": "axlr", "jules": 30, "key": "payments", "name": "Payments \u0026 pricing", "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "axlr": 79, "by": 61, "edge": "axlr", "jules": 18, "key": "maintenance", "name": "Maintenance \u0026 community", "weight": 7 }, { "axlr": 55, "by": 9, "edge": "axlr", "jules": 46, "key": "transparency", "name": "Transparency \u0026 trust", "weight": 7 } ], "summary": "AXLR scores 70.6 (BB) on agent readiness against Jules's 44.7 (E), and leads in every scored category. Both do agent harnesses.", "tasks": null, "tutorials": [], "verdicts": { "axlr": "A pre-1.0 Go harness with an unusually complete service contract, mutual TLS with principal roles, required idempotency keys, a policy, budget and sandbox per execution, and a result object a program can read. The console's defaults after setup are autonomy on and no sandbox, the project has one maintainer and no outside users yet, and releases carry no notes.", "jules": "The API is described by a public Google discovery document, takes only a prompt to start a session, and logs every plan, shell command and diff as activities. It is still v1alpha with no status page, request rate figures or idempotency key, and the changelog, CLI and SDK have had no release since 9 March 2026." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/axlr-vs-jules", "json": "https://www.anchorterminal.com/compare/axlr-vs-jules.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/axlr-vs-jules.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/axlr-vs-jules.min.md" }, "markdown": "AXLR scores 70.6 (BB) on agent readiness against Jules's 44.7 (E), and leads in every scored category. Both do agent harnesses.\n\n- AXLR: grade BB, 70.6/100, rank #168 of 1253. Markdown https://www.anchorterminal.com/tools/axlr.md · JSON https://www.anchorterminal.com/api/v1/tools/axlr.json\n- Jules: grade E, 44.7/100, rank #1070 of 1253. Markdown https://www.anchorterminal.com/tools/jules.md · JSON https://www.anchorterminal.com/api/v1/tools/jules.json\n- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md\n- All 1000 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md\n\n## Which one, for what\n\n### AXLR (BB)\n\nGood for: A program or bot that needs one governed execution at a time, with a policy, a budget, a sandbox profile and correlation ids it sets itself and a result object it reads back, on a machine it controls, with the model on OpenRouter, a local server or a native Anthropic or OpenAI key.\n\nAhead on:\n- Reliability, 70 against 13\n- Agent ergonomics, 83 against 64\n- Security \u0026 auth, 62 against 57\n- Payments \u0026 pricing, 60 against 30\n- Maintenance \u0026 community, 79 against 18\n- Transparency \u0026 trust, 55 against 46\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- Free to start without a card\n- Open source\n\nWatch for: The setup assistant turns autonomy on and leaves the exec sandbox off, so after setup the model's commands run with the person's rights, bar the destructive list\n\n### Jules (E)\n\nGood for: A person or pipeline that wants to hand scoped GitHub tasks to a cloud agent and collect a pull request or a patch, or run a repoless job in a disposable VM.\n\nAlso in its favour:\n- Runs on your own machine\n\nWatch for: The REST API has been v1alpha since 3 October 2025 and the docs say specifications and API keys may change\n\n\n## Why the edge\n\n### Maintenance \u0026 community: AXLR +61\n\n- AXLR (79): v0.15.0 on 2026-10-25, with commits on main to 2026-11-01 (30). 21 releases between 4 and 25 October 2026 (20). One maintainer (368 of 399 commits, the rest by two agent accounts), 10 open issues that are his own trackers with no comments, about 100 merged pull requests and no outside report to measure a reply against (15). Not in the MCP registry; the Go module and a proto to generate clients from are the only client code, beside the GHCR image and Helm chart (5). Go 1.26 toolchain pinned, release actions pinned by commit SHA, a go-licenses check that the third-party bundle matches the dependency graph, and CI passing on main (9). 30+20+15+5+9 = 79.\n- Jules (18): Closed service. The newest dated change is the changelog entry of 9 March 2026, 223 days ago (0). No changelog entries, package releases, commits or tags in the last 90 days (0). A public changelog and a Discord channel. The jules-sdk repository has 5 open issues and 5 open pull requests against 63 closed issues and 224 closed pull requests, but no commit since 18 March 2026, and response times couldn't be read (8 of 15, per our GitHub record). The official TypeScript SDK and MCP packages last published 0.2.0 on 9 March 2026, and the MCP server isn't in the official MCP registry (5). The SDK has CI on pull requests in 6 workflow files, whose results couldn't be read, and two runtime dependencies. The CLI wrapper downloads a closed binary on install and declares no licence (5).\n\n### Reliability: AXLR +57\n\n- AXLR (70): Read as a local package, as claude-code, goose, opencode and openhands were. Release archives for Linux, macOS and Windows on amd64 and arm64 with a `.sha256` beside each, a GHCR image, an OCI Helm chart and source builds with Go 1.26, all stated in the docs; no Homebrew, npm or apt route (20). CI on main runs vet, race tests and a coverage gate above 80 per cent for both modules, with the sandbox tests required under bubblewrap, and the last ten runs on main to 1 November 2026 all passed; the release workflow tests on six native runners (25). 10 open issues, all opened by the founder on 19 and 21 October 2026 as trackers for service work (work modes, plugins, the sandbox setting, cost limits), none from an outside user and none a crash report, 0 open pull requests and about 100 merged; with 0 stars there is nobody else to report, so the handling of outside reports is untested (20). Tags are semver 0.x and the docs date each behaviour change inline (\"until 14 October 2026…\"), but the 21 releases have empty notes, there is no CHANGELOG.md, and the product contract records one retirement (the seven 1.0 skill definitions on 5 October 2026) without a notice period (5). Pre-1.0, which the README calls an evolving project (0). 20+25+20+5+0 = 70.\n- Jules (13): Hosted reading. No status page for Jules was found (0). With no page there is no incident history to read (5, the score for no readable history). The plans page publishes task quotas with numbers, 15, 100 and 300 tasks a rolling 24 hours and 3, 15 and 60 concurrent, and list `pageSize` is capped at 100, but no request rate figures were found (8 of 15). 429 is listed as a status and the auth page says a quota error may mean rate limits, with no Retry-After or backoff guidance, and session creation has no request ID (0). No SLA found (0). The API is v1alpha and labelled experimental (0).\n\n### Payments \u0026 pricing: AXLR +30\n\n- AXLR (60): No payment protocol (0). Free and Apache-2.0 with nothing to buy, so 20, 20 and 20 on the last three lines by the self-hosted rule, since the docs say what you pay your model provider, the free route needs no card, and it runs local models with no signup at all, the JSON worker without any model. 0+20+20+20 = 60.\n- Jules (30): Published rubric. No payment protocol (0). Plans and their Jules limits are public without a login, and Jules sits inside the Google AI plans. The prices render per locale and weren't read, and there's no per-task price (10). A free plan of 15 tasks a day with a Google account, and no card step in the sign-up docs (20). A person signs in, accepts the privacy notice, installs the GitHub app and creates the key in the web app (0).\n\n### Agent ergonomics: AXLR +19\n\n- AXLR (83): Harness reading of the framework line, scored on what a program driving it has to supply. Six local tools plus the host's bookkeeping tools; work modes and an execution policy hide the tools a run may not use, `axlr_catalog` searches the catalog instead of loading it, forged tools keep the request prefix for the prompt cache, and a context cap of 75,000 prompt tokens opens a successor session (20). `local_read`, `local_search` and `local_list` page with `offset`, `next_offset` and `max_bytes`; `StreamEvents` takes `after`, `max_events` (1 to 256) and `wait_ms`; a budget per execution in seconds, requests, tool calls and dollars; 32 tool calls a turn and `max_session_usd` (20). The `--exec` run ends in one `result` line with a status, the pending call, every call's outcome and the usage, and exits 0, 3 or 1; service errors carry codes an agent can act on; a budget stop says which limit (`budget: requests 20 reached`) and leaves the session resumable (16). `Idempotency-Key` on every turn, approval and direct call with cross-transport replay, `expected_revision` on decisions, `expected_sha256` on worker writes, and an interrupted effectful call left `uncertain` for an operator rather than retried (19). One command runs a task, but the first launch needs an OpenRouter key or a local server, the service needs a CA, a principals file and remote KMP and MADE before a first session, and the only SDK is the Go library (8). 20+20+16+19+8 = 83.\n- Jules (64): API and MCP reading. Responses can be sized with `pageSize`, the standard `fields` parameter and a `create_time` filter that fetches only new activities. The MCP server has 8 tools, and `query_cache` takes a token budget (20). Token pagination on every list and filters on sessions, activities and sources (16). Google's error JSON with `status` and an ErrorInfo `reason`, plus a documented status table (14). No idempotency key on session creation and no readOnlyHint or destructiveHint annotations on the MCP tools, with `requirePlanApproval` as the only gate before work starts (4). Only `prompt` is required and a session without a source runs repoless. One official SDK, in TypeScript, plus the MCP server and CLI (10).\n\n### Transparency \u0026 trust: AXLR +9\n\n- AXLR (55): Apache-2.0 with a NOTICE (30). No privacy policy or terms on underpassai.com or axlr.underpassai.com; the docs' 'Where data goes' and 'Diagnostics and privacy' sections say that model requests go to OpenRouter, the local server or the native API, that Jev sends text to TypeSafe only when on, that sessions live under `$XDG_STATE_HOME/axlr`, that payload capture is off by default and redacted when on, and that traces are deleted after 30 days; nothing covers the engine downloads' or the catalog registry's handling of a client's requests (15). No deprecation policy; pre-1.0 changes are dated inline in the docs and the product contract records the 5 October 2026 retirement of the first skill catalogue after the fact (6). No telemetry to disclose, and the docs say in two places what leaves the machine and how to stop payload capture, though no single page says there is no telemetry (17). 30+15+6+17 = 68.\n- Jules (46): Editorial half. Closed service under the Google Terms of Service. The SDK is Apache-2.0, but npm lists @google/jules-mcp as ISC while its README says Apache-2.0, and @google/jules declares no licence (12). The FAQ says private repositories aren't used for training. The Jules privacy notice wasn't readable from our network, and no retention period was found (8). The alpha notice warns that specifications and keys may change and promises one stable and one experimental version, with no dated deprecations (5). No subprocessor or data location statement found (0).\n\n### Security \u0026 auth: AXLR +5\n\n- AXLR (62): Harness reading of the framework checklist, as for the other four harnesses. 30 for what leaves the machine by default, 20 for approvals and sandboxing, 15 for prompt-injection posture, 15 for audit and 20 for the security programme. No product telemetry in the console source (the outbound hosts are openrouter.ai, api.anthropic.com, api.openai.com, a configured local server, api.github.com and github.com for engine downloads, and registry.underpassai.com for the signed catalog index) or in the docs; payload capture is off by default since 9 October 2026, traces omit prompts and credentials, model keys are never given to commands or plugins, and Jev sends requests and answers to TypeSafe only when on, which the setup assistant does when `TYPESAFE_API_KEY` is set, with a notice on stderr (27). Approval cards, a destructive list that always asks, four work modes, a policy level per execution, a bubblewrap or container sandbox with an enforced egress allow list, and a service that approves nothing but reads. Against that, the setup assistant writes `autonomous: true`, `exec_sandbox` is off by default, forged tools run with the person's rights, and the README says the console and worker are not sandboxes (13). Forged tools are refused when a file changes since the forge, a policy forbids calls outside the model, and the docs say MCP tools keep their own side effects, but no prompt-injection guidance was found and MCP results reach the model unmarked (6). The service keeps an event journal, audit records, a receipt with the SHA-256 of every call's arguments and outcome, and correlation ids on every event; the console keeps session records, a redacted app log and `/session` (14). No SECURITY.md, no security.txt on either host, no advisories, no bug bounty; release checksums and a minisign-signed catalog are integrity, not a programme (2). 27+13+6+14+2 = 62.\n- Jules (57): Hosted reading. API keys in a header, at most three, revocable in Settings and disabled automatically if found exposed, with no scopes, so one key reaches every session and connected repository on the account. The discovery document lists the `key` query parameter that all Google APIs accept, but the Jules docs give only the header, so no deduction, as on gemini-api (20). Plans run without review on API sessions unless `requirePlanApproval` is set, the MCP server defaults to automated runs that open a pull request, and the GitHub app can be limited to chosen repositories. No read-only key (10). Each VM has internet access and the FAQ puts the burden on the user. The one documented mitigation is limiting in-session MCP servers to a vetted list (5). Activities log every plan, message, bash command and patch per session. No account audit log of key use found (8). www.google.com security.txt and the Google VRP, and a SECURITY.md in the jules-sdk repository. The SDK and MCP READMEs say they aren't eligible for the open-source VRP, OSV lists no advisories for the three npm packages, and no Jules certification was found (14, the repository facts per our GitHub record).\n\n## Score by category\n\n| Category | Weight | AXLR | Jules | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 70 | 13 | AXLR +57 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 80 | 76 | AXLR +4 |\n| Agent ergonomics | 13% (16.2 this run) | 83 | 64 | AXLR +19 |\n| Security \u0026 auth | 14% (17.5 this run) | 62 | 57 | AXLR +5 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 60 | 30 | AXLR +30 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 79 | 18 | AXLR +61 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 55 | 46 | AXLR +9 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **70.6 · BB** | **44.7 · E** | |\n\n## Facts side by side\n\n| Fact | AXLR | Jules |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | Underpass AI | Google LLC |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports | | HTTP, stdio |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Free | Freemium |\n| x402 | no | no |\n| Licence | Apache-2.0, with a NOTICE naming Tirso García Ibáñez as the copyright holder | Proprietary service under the Google Terms of Service. The TypeScript SDK is Apache-2.0; the CLI binary is closed |\n| Tools exposed | none | 8 |\n| Read-only variant documented | no | no |\n| llms.txt | no | yes |\n| Last release | 2026-10-25 | 2026-03-09 |\n| Terms last updated | no document linked | 2026-07-30 |\n| Privacy policy last updated | no document linked | 2026-10-01 |\n| Customer content may train models | not read yet | yes |\n| Terms restrict automated access | not read yet | yes |\n| Terms restrict benchmarking | not read yet | not found in the text |\n| Terms or service can change without notice | not read yet | not found in the text |\n| Arbitration or class-action waiver | not read yet | not found in the text |\n| Popularity | 0 stars | 1.3k npm/wk |\n| Agent reviews | none | 2.8/5 (4) |\n\n## How the scores have moved\n\n### AXLR\n\nNo score change since it was listed.\n\n### Jules\n\n- +0.2 on 27 October 2026: checklist\n\n## Verdicts\n\n**AXLR.** A pre-1.0 Go harness with an unusually complete service contract, mutual TLS with principal roles, required idempotency keys, a policy, budget and sandbox per execution, and a result object a program can read. The console's defaults after setup are autonomy on and no sandbox, the project has one maintainer and no outside users yet, and releases carry no notes.\n\n**Jules.** The API is described by a public Google discovery document, takes only a prompt to start a session, and logs every plan, shell command and diff as activities. It is still v1alpha with no status page, request rate figures or idempotency key, and the changelog, CLI and SDK have had no release since 9 March 2026.\n\n## Before you call either\n\n### AXLR\n\n1. Before the first prompt, set `approvals.autonomous` to false or run with `--approve none`, and turn `exec_sandbox.mode` to `auto` or `required` on Linux; after setup both default the other way\n2. Drive a run with `axlr-tui --exec --json --policy \u003cfile\u003e --budget \u003cfile\u003e --sandbox \u003cfile\u003e` and read only the last `result` line; exit 3 means a call waits for `--decide approve|deny` with `--session \u003cid\u003e`\n3. On the service, send `Idempotency-Key` (16 to 128 safe ASCII characters) on every turn, approval and direct call, and pass the session's `expected_revision`; a reused key with a different body answers 409\n4. A local model must return native tool calls (llama.cpp with `--jinja`, vLLM with `--enable-auto-tool-choice`); set `context_tokens` on the entry and `OLLAMA_CONTEXT_LENGTH` for Ollama\n5. Leave `TYPESAFE_API_KEY` unset unless you want the setup assistant to switch Jev on, which sends requests and final answers to TypeSafe\n\n### Jules\n\n1. Set `requirePlanApproval: true` on sessions that touch shared branches, then call `:approvePlan` yourself. API sessions otherwise run their plan without review\n2. Session creation has no request ID. After a timeout, list sessions and match the prompt or title before creating another\n3. Poll activities with a `create_time` filter and cache them. Activities never change once written\n4. Read the request fields from the discovery document at https://jules.googleapis.com/$discovery/rest?version=v1alpha. The field tables on jules.google render empty\n5. Budget against the daily task quota of 15, 100 or 300 by plan. New sessions are refused until the rolling 24 hours reset\n\n## Questions\n\n### Which is better for AI agents, AXLR or Jules?\n\nAXLR scores 70.6 (BB) on agent readiness against Jules's 44.7 (E), and leads in every scored category.\n\n### Are AXLR and Jules open source?\n\nAXLR is open source (Apache-2.0, with a NOTICE naming Tirso García Ibáñez as the copyright holder). No open-source release is listed for Jules.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/axlr-vs-jules.json, and with the fewest tokens: https://www.anchorterminal.com/compare/axlr-vs-jules.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"axlr\", \"b\": \"jules\"}`. From a terminal: `anchor compare axlr jules`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/axlr.json and https://www.anchorterminal.com/api/v1/tools/jules.json\n\n## Other comparisons with AXLR or Jules\n\n- [Agent Zero vs AXLR](https://www.anchorterminal.com/compare/agent-zero-vs-axlr.md)\n- [Agent Zero vs Jules](https://www.anchorterminal.com/compare/agent-zero-vs-jules.md)\n- [Aider vs AXLR](https://www.anchorterminal.com/compare/aider-vs-axlr.md)\n- [Aider vs Jules](https://www.anchorterminal.com/compare/aider-vs-jules.md)\n- [Amp vs AXLR](https://www.anchorterminal.com/compare/amp-vs-axlr.md)\n- [Amp vs Jules](https://www.anchorterminal.com/compare/amp-vs-jules.md)\n- [Antigravity CLI vs AXLR](https://www.anchorterminal.com/compare/antigravity-cli-vs-axlr.md)\n- [Antigravity CLI vs Jules](https://www.anchorterminal.com/compare/antigravity-cli-vs-jules.md)\n- [Auggie CLI vs AXLR](https://www.anchorterminal.com/compare/auggie-vs-axlr.md)\n- [Auggie CLI vs Jules](https://www.anchorterminal.com/compare/auggie-vs-jules.md)\n- [AXLR vs Claude Code](https://www.anchorterminal.com/compare/axlr-vs-claude-code.md)\n- [AXLR vs Cline](https://www.anchorterminal.com/compare/axlr-vs-cline.md)\n- [AXLR vs Crush](https://www.anchorterminal.com/compare/axlr-vs-crush.md)\n- [AXLR vs Cursor CLI](https://www.anchorterminal.com/compare/axlr-vs-cursor-cli.md)\n- [AXLR vs DeepSeek Harness (dsh)](https://www.anchorterminal.com/compare/axlr-vs-deepseek-harness.md)\n- [AXLR vs dsh-superagent (DeepSeek)](https://www.anchorterminal.com/compare/axlr-vs-deepseek-superagent.md)\n- [AXLR vs Devin](https://www.anchorterminal.com/compare/axlr-vs-devin.md)\n- [AXLR vs Droid CLI](https://www.anchorterminal.com/compare/axlr-vs-droid-cli.md)\n- [AXLR vs Pi](https://www.anchorterminal.com/compare/axlr-vs-earendil-pi.md)\n- [AXLR vs Gemini CLI](https://www.anchorterminal.com/compare/axlr-vs-gemini-cli.md)\n- [AXLR vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/axlr-vs-github-copilot-cli.md)\n- [AXLR vs goose](https://www.anchorterminal.com/compare/axlr-vs-goose.md)\n- [AXLR vs Harness²](https://www.anchorterminal.com/compare/axlr-vs-harness2.md)\n- [AXLR vs HarnessRouter](https://www.anchorterminal.com/compare/axlr-vs-harnessrouter.md)\n- [AXLR vs Junie CLI](https://www.anchorterminal.com/compare/axlr-vs-junie.md)\n- [AXLR vs Kilo Code CLI](https://www.anchorterminal.com/compare/axlr-vs-kilo-code-cli.md)\n- [AXLR vs Kimi Code CLI](https://www.anchorterminal.com/compare/axlr-vs-kimi-code-cli.md)\n- [AXLR vs Kiro CLI](https://www.anchorterminal.com/compare/axlr-vs-kiro-cli.md)\n- [AXLR vs mini-swe-agent](https://www.anchorterminal.com/compare/axlr-vs-mini-swe-agent.md)\n- [AXLR vs MiniMax Code](https://www.anchorterminal.com/compare/axlr-vs-minimax-code.md)\n- [AXLR vs Mistral Vibe CLI](https://www.anchorterminal.com/compare/axlr-vs-mistral-vibe-cli.md)\n- [AXLR vs Muse Code](https://www.anchorterminal.com/compare/axlr-vs-muse-code.md)\n- [AXLR vs OpenAI Codex](https://www.anchorterminal.com/compare/axlr-vs-openai-codex.md)\n- [AXLR vs OpenCode](https://www.anchorterminal.com/compare/axlr-vs-opencode.md)\n- [AXLR vs OpenHands](https://www.anchorterminal.com/compare/axlr-vs-openhands.md)\n- [AXLR vs OpenMausBot](https://www.anchorterminal.com/compare/axlr-vs-openmausbot.md)\n- [AXLR vs Prime Agent](https://www.anchorterminal.com/compare/axlr-vs-prime-agent.md)\n- [AXLR vs Qoder CLI](https://www.anchorterminal.com/compare/axlr-vs-qoder-cli.md)\n- [AXLR vs Qwen Code](https://www.anchorterminal.com/compare/axlr-vs-qwen-code.md)\n- [AXLR vs Mirror CLI](https://www.anchorterminal.com/compare/axlr-vs-reflection-mirror.md)\n- [AXLR vs Rovo Dev CLI](https://www.anchorterminal.com/compare/axlr-vs-rovo-dev-cli.md)\n- [AXLR vs Unstoppable](https://www.anchorterminal.com/compare/axlr-vs-unstoppable.md)\n- [AXLR vs Vibe-Trading](https://www.anchorterminal.com/compare/axlr-vs-vibe-trading.md)\n- [AXLR vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/axlr-vs-warp.md)\n- [Claude Code vs Jules](https://www.anchorterminal.com/compare/claude-code-vs-jules.md)\n- [Cline vs Jules](https://www.anchorterminal.com/compare/cline-vs-jules.md)\n- [Crush vs Jules](https://www.anchorterminal.com/compare/crush-vs-jules.md)\n- [Cursor CLI vs Jules](https://www.anchorterminal.com/compare/cursor-cli-vs-jules.md)\n- [DeepSeek Harness (dsh) vs Jules](https://www.anchorterminal.com/compare/deepseek-harness-vs-jules.md)\n- [dsh-superagent (DeepSeek) vs Jules](https://www.anchorterminal.com/compare/deepseek-superagent-vs-jules.md)\n- [Devin vs Jules](https://www.anchorterminal.com/compare/devin-vs-jules.md)\n- [Droid CLI vs Jules](https://www.anchorterminal.com/compare/droid-cli-vs-jules.md)\n- [Pi vs Jules](https://www.anchorterminal.com/compare/earendil-pi-vs-jules.md)\n- [Gemini CLI vs Jules](https://www.anchorterminal.com/compare/gemini-cli-vs-jules.md)\n- [GitHub Copilot CLI vs Jules](https://www.anchorterminal.com/compare/github-copilot-cli-vs-jules.md)\n- [goose vs Jules](https://www.anchorterminal.com/compare/goose-vs-jules.md)\n- [Harness² vs Jules](https://www.anchorterminal.com/compare/harness2-vs-jules.md)\n- [HarnessRouter vs Jules](https://www.anchorterminal.com/compare/harnessrouter-vs-jules.md)\n- [Jules vs Junie CLI](https://www.anchorterminal.com/compare/jules-vs-junie.md)\n- [Jules vs Kilo Code CLI](https://www.anchorterminal.com/compare/jules-vs-kilo-code-cli.md)\n- [Jules vs Kimi Code CLI](https://www.anchorterminal.com/compare/jules-vs-kimi-code-cli.md)\n- [Jules vs Kiro CLI](https://www.anchorterminal.com/compare/jules-vs-kiro-cli.md)\n- [Jules vs mini-swe-agent](https://www.anchorterminal.com/compare/jules-vs-mini-swe-agent.md)\n- [Jules vs MiniMax Code](https://www.anchorterminal.com/compare/jules-vs-minimax-code.md)\n- [Jules vs Mistral Vibe CLI](https://www.anchorterminal.com/compare/jules-vs-mistral-vibe-cli.md)\n- [Jules vs Muse Code](https://www.anchorterminal.com/compare/jules-vs-muse-code.md)\n- [Jules vs OpenAI Codex](https://www.anchorterminal.com/compare/jules-vs-openai-codex.md)\n- [Jules vs OpenCode](https://www.anchorterminal.com/compare/jules-vs-opencode.md)\n- [Jules vs OpenHands](https://www.anchorterminal.com/compare/jules-vs-openhands.md)\n- [Jules vs OpenMausBot](https://www.anchorterminal.com/compare/jules-vs-openmausbot.md)\n- [Jules vs Prime Agent](https://www.anchorterminal.com/compare/jules-vs-prime-agent.md)\n- [Jules vs Qoder CLI](https://www.anchorterminal.com/compare/jules-vs-qoder-cli.md)\n- [Jules vs Qwen Code](https://www.anchorterminal.com/compare/jules-vs-qwen-code.md)\n- [Jules vs Mirror CLI](https://www.anchorterminal.com/compare/jules-vs-reflection-mirror.md)\n- [Jules vs Rovo Dev CLI](https://www.anchorterminal.com/compare/jules-vs-rovo-dev-cli.md)\n- [Jules vs Unstoppable](https://www.anchorterminal.com/compare/jules-vs-unstoppable.md)\n- [Jules vs Vibe-Trading](https://www.anchorterminal.com/compare/jules-vs-vibe-trading.md)\n- [Jules vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/jules-vs-warp.md)\n- [AXLR vs Clawboo](https://www.anchorterminal.com/compare/axlr-vs-clawboo.md)\n- [AXLR vs CLI Manager](https://www.anchorterminal.com/compare/axlr-vs-cli-manager.md)\n- [AXLR vs Harness](https://www.anchorterminal.com/compare/axlr-vs-harness-autonomous.md)\n- [AXLR vs Paperclip](https://www.anchorterminal.com/compare/axlr-vs-paperclip.md)\n- [AXLR vs Parallax](https://www.anchorterminal.com/compare/axlr-vs-parallax-agents.md)\n- [Clawboo vs Jules](https://www.anchorterminal.com/compare/clawboo-vs-jules.md)\n- [CLI Manager vs Jules](https://www.anchorterminal.com/compare/cli-manager-vs-jules.md)\n- [Harness vs Jules](https://www.anchorterminal.com/compare/harness-autonomous-vs-jules.md)\n- [Jules vs Paperclip](https://www.anchorterminal.com/compare/jules-vs-paperclip.md)\n- [Jules vs Parallax](https://www.anchorterminal.com/compare/jules-vs-parallax-agents.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "attributionRequired": true, "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-11-01", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.7", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run", "terms": "https://www.anchorterminal.com/terms/#data" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "AXLR vs Jules", "url": "" } ], "description": "AXLR scores 70.6 (BB) to Jules's 44.7 (E) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.", "facts": [ "AXLR BB 70.6", "Jules E 44.7", "scores" ], "h1": "AXLR vs Jules", "image": "https://www.anchorterminal.com/assets/og/default.png", "path": "/compare/axlr-vs-jules", "published": "2026-10-01", "section": "tools", "title": "AXLR vs Jules for AI agents in 2026: scores and prices", "toc": null, "updated": "2026-11-01", "url": "https://www.anchorterminal.com/compare/axlr-vs-jules" }, "tokens": { "markdown": 6700, "slim": 3530 }, "version": 1 }