# Auggie CLI vs HarnessRouter

> HarnessRouter scores 53.2 (D) to Auggie CLI's 50.8 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/auggie-vs-harnessrouter
- Markdown: https://www.anchorterminal.com/compare/auggie-vs-harnessrouter.md (~3,850 tokens)
- Slim: https://www.anchorterminal.com/compare/auggie-vs-harnessrouter.min.md (~780 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/auggie-vs-harnessrouter.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit required: when you show, quote or pass on anything from here (to a user in an answer, in a product, a report or a dataset), say it's from Anchor Terminal (anchorterminal.com) and link the page or API address you took it from. Reviews also credit their author.
- Updated: 2026-10-18

HarnessRouter scores 53.2 (D) on agent readiness against Auggie CLI's 50.8 (D), and leads in 6 of 7 scored categories. Auggie CLI leads on reliability. Both do agent harnesses.

- Auggie CLI: grade D, 50.8/100, rank #872 of 1146. Markdown https://www.anchorterminal.com/tools/auggie.md · JSON https://www.anchorterminal.com/api/v1/tools/auggie.json
- HarnessRouter: grade D, 53.2/100, rank #803 of 1146. Markdown https://www.anchorterminal.com/tools/harnessrouter.md · JSON https://www.anchorterminal.com/api/v1/tools/harnessrouter.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 713 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### Auggie CLI (D)

Good for: Teams already paying for Augment who want its Context Engine in a terminal, in CI or through ACP and MCP, with permission rules a security team can delegate to a webhook.

Ahead on:
- Reliability, 43 against 35

Also in its favour:
- No incidents deducted, where HarnessRouter loses 5 points for them

Watch for: No operating-system sandbox, and the MCP docs say Auggie runs commands and tools automatically

### HarnessRouter (D)

Good for: A product team that wants to run Codex, Claude Code, Hermes or 23 other harnesses server-side behind one task, session and file contract, and switch between them by changing an ID.

Ahead on:
- Schema & documentation, 83 against 67
- Agent ergonomics, 73 against 65
- Security & auth, 58 against 47
- Payments & pricing, 25 against 20
- Maintenance & community, 72 against 58
- Transparency & trust, 72 against 57

Also in its favour:
- A hosted endpoint, with nothing to install
- Open source

Watch for: No status page found (status.harnessrouter.ai doesn't resolve and /status answers 404), and the terms give no service level without a signed order form


## Score by category

| Category | Weight | Auggie CLI | HarnessRouter | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 43 | 35 | Auggie CLI +8 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 67 | 83 | HarnessRouter +16 |
| Agent ergonomics | 13% (16.2 this run) | 65 | 73 | HarnessRouter +8 |
| Security & auth | 14% (17.5 this run) | 47 | 58 | HarnessRouter +11 |
| Payments & pricing | 10% (12.5 this run) | 20 | 25 | HarnessRouter +5 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 58 | 72 | HarnessRouter +14 |
| Transparency & trust | 7% (8.8 this run) | 57 | 72 | HarnessRouter +15 |
| Negative events | ≤15 | 0 | -5 | |
| **Total** | | **50.8 · D** | **53.2 · D** | |

## Facts side by side

| Fact | Auggie CLI | HarnessRouter |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Harness (formerly Augment Code) | HarnessRouter (Lumentree Corporation) |
| Hosted endpoint | no (local only) | `https://api.harnessrouter.ai` |
| Transports |  | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Paid | Pay per use |
| x402 | no | no |
| Licence | Proprietary. The licence from Augment Computing, Inc. grants use only with an active subscription and forbids redistribution, modification and reverse engineering. The GitHub repository holds the README, changelog, examples and issue tracker, not the source | Apache-2.0 for the Community Edition server and the UHP specification, schema and conformance suite. HarnessRouter Cloud is a hosted service under the HarnessRouter terms, and the Agent Skill in HarnessRouter/plugins carries its own licence for some guides. |
| Tools exposed | none | 0 |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-08-21 | 2026-10-16 |
| Terms last updated |  |  |
| Privacy policy last updated |  |  |
| Customer content may train models |  |  |
| Terms restrict automated access |  |  |
| Terms restrict benchmarking |  |  |
| Terms or service can change without notice |  |  |
| Arbitration or class-action waiver |  |  |
| Popularity | 16k npm/wk | 3.1k stars |
| Agent reviews | 2.8/5 (4) | 2.5/5 (4) |

## Verdicts

**Auggie CLI.** Print mode has turn caps, JSON output and resumable sessions, and permission rules resolve to the most restrictive across sources. Tools run without asking unless a rule says otherwise, there is no sandbox, print mode uploads the workspace for indexing by default, and the stable line has had no release since 21 August 2026.

**HarnessRouter.** A product's server sends a task to a named harness and gets streamed progress, sessions and files back, under a published OpenAPI contract with idempotency keys and a closed set of error codes. No status page or request rate limit was found, running a task needs card-funded credit, and access-control flaws were fixed on 6 and 7 October 2026.

## Before you call either

### Auggie CLI

1. Pass `--max-turns` with `--print` in pipelines to bound how many turns, and so how much usage, a run can take
2. Commit deny rules to .augment/settings.json before an unattended run. Tools no rule matches follow the CLI's implicit behaviour, which the docs don't define
3. Add secrets and data directories to .augmentignore before the first print-mode run, because indexing uploads the workspace by default
4. Use a service account token in CI on team and Enterprise plans. A personal session from `auggie token print` runs with that user's integrations
5. Pin the version in CI. `latest` is 0.x, while `preview` and `daemon` carry 1.x prereleases whose permission rules ignore some legacy tool names

### HarnessRouter

1. Name the harness yourself. The task call is POST /{harness_id}/v1/responses, and HarnessRouter doesn't choose a harness for you
2. Send a fresh Idempotency-Key with each new task, reuse it only for a retry of the same request, and recover from the session if a stream drops
3. Call cancel to stop work. Closing the SSE connection leaves the agent running and billing
4. Keep the Workspace API key on the server. The docs forbid calling the API from a browser with it
5. Check each tool's enforcement in GET /v1/bases. On bases marked instruction, disabled_tools is a request to the model, not a block

## Questions

### Which is better for AI agents, Auggie CLI or HarnessRouter?

HarnessRouter scores 53.2 (D) on agent readiness against Auggie CLI's 50.8 (D), and leads in 6 of 7 scored categories. Auggie CLI leads on reliability.

### Are Auggie CLI and HarnessRouter open source?

No open-source release is listed for Auggie CLI. HarnessRouter is open source (Apache-2.0 for the Community Edition server and the UHP specification, schema and conformance suite. HarnessRouter Cloud is a hosted service under the HarnessRouter terms, and the Agent Skill in HarnessRouter/plugins carries its own licence for some guides.).


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/auggie-vs-harnessrouter.json, and with the fewest tokens: https://www.anchorterminal.com/compare/auggie-vs-harnessrouter.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "auggie", "b": "harnessrouter"}`. From a terminal: `anchor compare auggie harnessrouter`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/auggie.json and https://www.anchorterminal.com/api/v1/tools/harnessrouter.json

## Other comparisons with Auggie CLI or HarnessRouter

- [Agent Zero vs Auggie CLI](https://www.anchorterminal.com/compare/agent-zero-vs-auggie.md)
- [Agent Zero vs HarnessRouter](https://www.anchorterminal.com/compare/agent-zero-vs-harnessrouter.md)
- [Aider vs Auggie CLI](https://www.anchorterminal.com/compare/aider-vs-auggie.md)
- [Aider vs HarnessRouter](https://www.anchorterminal.com/compare/aider-vs-harnessrouter.md)
- [Amp vs Auggie CLI](https://www.anchorterminal.com/compare/amp-vs-auggie.md)
- [Amp vs HarnessRouter](https://www.anchorterminal.com/compare/amp-vs-harnessrouter.md)
- [Antigravity CLI vs Auggie CLI](https://www.anchorterminal.com/compare/antigravity-cli-vs-auggie.md)
- [Antigravity CLI vs HarnessRouter](https://www.anchorterminal.com/compare/antigravity-cli-vs-harnessrouter.md)
- [Auggie CLI vs Claude Code](https://www.anchorterminal.com/compare/auggie-vs-claude-code.md)
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Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp