{ "data": { "a": { "slug": "agent-browser", "name": "agent-browser", "vendor": "Vercel Labs", "vendorUrl": "https://agent-browser.dev", "kind": "mcp", "category": "browser", "summary": "agent-browser is an open-source command-line tool from Vercel Labs that lets AI agents drive Chrome through accessibility-tree snapshots and element refs. It runs locally as a Rust binary and includes a stdio MCP server.", "url": "https://www.anchorterminal.com/tools/agent-browser", "markdownUrl": "https://www.anchorterminal.com/tools/agent-browser.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/agent-browser.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/agent-browser.json", "repo": "https://github.com/vercel-labs/agent-browser", "license": "Apache-2.0", "transports": [ "stdio" ], "packages": [ { "registry": "npm", "name": "agent-browser" } ], "auth": "none", "authNotes": "No account or key. The CLI and its daemon run on the owner's machine. Site logins are held in a local auth vault encrypted with AES-256-GCM, in saved state files (plaintext unless `AGENT_BROWSER_ENCRYPTION_KEY` is set) or in a reused Chrome profile. Cloud browser providers and the optional `chat` command need their own keys in environment variables.", "pricing": "free", "pricingNotes": "Free and open source under Apache-2.0, with nothing to buy and no hosted service. The optional `chat` command and dashboard chat bill the user's own Vercel AI Gateway key, and cloud browser providers bill separately (checked 2026-10-08).", "priceSummary": "Free · OSS", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the README, the docs or the source (checked 2026-10-08).", "endpoints": [] }, "toolCount": 158, "popularity": { "githubStars": 43679, "npmWeekly": 2069828, "pypiWeekly": null, "asOf": "2026-10-08" }, "docsUrl": "https://agent-browser.dev", "llmsTxt": "https://agent-browser.dev/llms.txt", "capabilities": [ "browser.control", "browser.debug" ], "tags": [ "official", "local", "open-source", "browser", "cli", "mcp", "rust", "no-auth", "llms-txt" ], "lastRelease": "2026-10-01", "graded": true, "anchor": { "graded": true, "score": 66.6, "grade": "B", "agentReady": false, "rank": 263, "ranked": true, "rankOf": 842, "categoryRank": 10, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 78, "maintenance": 70, "payments": 60, "reliability": 48, "schema": 84, "security": 67, "transparency": 61 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-08" }, "negative": 0, "verdict": "Snapshots with element refs, a 29-tool default MCP profile and opt-in domain allowlists, action policies and content boundary markers suit agent use. The project is at 0.38.2 with no stable release, the ten most recent CI runs on main failed between 1 and 8 October 2026, and every security control is off by default.", "bestFor": "Coding agents with a shell that want short commands and compact snapshots.", "strengths": [ "Accessibility-tree snapshots give each element a ref such as `@e2`, with `-i`, `-c`, `-d` and `--delta` to cut the output", "The stdio MCP server loads 29 tools by default and 158 with `--tools all`, each with a typed schema and `readOnlyHint`", "Domain allowlist, action policy, action confirmation and content boundary markers are documented with a threat model and known limitations", "19 tagged releases between 13 July and 1 October 2026, each with a changelog entry", "llms.txt and a Markdown copy of every docs page at agent-browser.dev, plus bundled skills served by `agent-browser skills get`" ], "weaknesses": [ "The ten most recent CI runs on main, 1 to 8 October 2026, all concluded in failure. In the newest, Windows Rust tests and native end-to-end tests failed", "Version 0.38.2 with a Vercel Labs badge and no stable release or deprecation policy", "All security controls are opt-in. By default there is no limit on navigation, actions or output", "crates.io holds 0.19.0 from 14 March 2026, although the README lists `cargo install agent-browser` as an install route", "No SECURITY.md in the repository, and 840 open issues and pull requests, with most of the newest issues unlabelled and unanswered" ], "agentNotes": [ "Run `agent-browser install` once after `npm install -g agent-browser`. It downloads Chrome for Testing", "Take a fresh `snapshot -i` after any navigation. Refs survive same-document changes only", "Pass `--json` for machine-readable results and `--max-output` to cap page text", "Set `--allowed-domains`, `--action-policy` and `--content-boundaries` for untrusted sites. None is on by default, and the allowlist rejects `--profile`, `--cdp` and `--restore`", "Start MCP with `agent-browser mcp`, and add profiles such as `--tools core,network` only when needed" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 66.6 } ], "editorialScores": { "ergonomics": 78, "maintenance": 70, "payments": 60, "reliability": 48, "schema": 84, "security": 67, "transparency": 68 }, "provenanceScore": 53 }, "connect": { "install": "npm install -g agent-browser \u0026\u0026 agent-browser install", "config": { "mcpServers": { "agent-browser": { "args": [ "mcp" ], "command": "agent-browser" } } } }, "letme": { "capability": "https://letme.dev/browser.control", "tool": "https://letme.dev/agent-browser" }, "area": "developer", "provenance": { "legalEntity": "Vercel Inc.", "domain": "agent-browser.dev", "domainRegistered": "2026-01-13", "domainNote": "The LICENSE file reads Copyright 2025 Vercel Inc., and the repository sits in the vercel-labs organisation on GitHub. agent-browser.dev has no security.txt (HTTP 404). vercel.com's is valid until 28 September 2027 and names HackerOne.", "endpointOnVendorDomain": null, "terms": "", "privacy": "", "statusPage": "", "changelog": "https://github.com/vercel-labs/agent-browser/blob/main/CHANGELOG.md", "securityTxt": "none", "checked": "2026-10-08", "notes": [ "No terms or privacy document governs this software beyond the Apache-2.0 licence, so `terms` and `privacy` are left out." ], "score": 53 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/agent-browser.json" }, "answer": "Chrome DevTools MCP scores 77 (BB) on agent readiness against agent-browser's 66.6 (B), and leads in 5 of 7 scored categories.", "b": { "slug": "chrome-devtools-mcp", "name": "Chrome DevTools MCP", "vendor": "Google (Chrome DevTools team)", "vendorUrl": "https://developer.chrome.com/docs/devtools", "kind": "mcp", "category": "browser", "summary": "Lets coding agents control and inspect a live Chrome instance.", "url": "https://www.anchorterminal.com/tools/chrome-devtools-mcp", "markdownUrl": "https://www.anchorterminal.com/tools/chrome-devtools-mcp.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/chrome-devtools-mcp.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/chrome-devtools-mcp.json", "repo": "https://github.com/ChromeDevTools/chrome-devtools-mcp", "license": "Apache-2.0", "transports": [ "stdio" ], "packages": [ { "registry": "npm", "name": "chrome-devtools-mcp" } ], "auth": "none", "authNotes": "Local process; supports custom WebSocket headers when attaching to an authenticated remote Chrome endpoint.", "pricing": "free", "pricingNotes": "Open source; no hosted service.", "priceSummary": "Free · OSS", "where": "local", "x402": { "level": "no", "evidence": "No payments. Local open-source server.", "endpoints": [] }, "toolCount": 59, "popularity": { "githubStars": 49300, "npmWeekly": 1500288, "pypiWeekly": null, "asOf": "2026-09-26" }, "docsUrl": "https://github.com/ChromeDevTools/chrome-devtools-mcp#readme", "registryName": "io.github.ChromeDevTools/chrome-devtools-mcp", "capabilities": [ "browser.control", "browser.debug" ], "tags": [ "official", "local", "open-source", "browser", "devtools" ], "lastRelease": "2026-09-23", "graded": true, "anchor": { "graded": true, "score": 77, "grade": "BB", "agentReady": true, "rank": 23, "ranked": true, "rankOf": 842, "categoryRank": 2, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 83, "maintenance": 93, "payments": 60, "reliability": 83, "schema": 87, "security": 63, "transparency": 81 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "high", "date": "2026-10-01" }, "negative": -1, "negativeNotes": [ "-1: two moderate advisories published by the maintainers, GHSA-3pvj-jv98-qhjq on 2026-06-15 (daemon.pid written through symlinks in the /tmp fallback directory) and GHSA-8qf9-62x2-82pp on 2026-06-16 (path validation not canonicalising symlinks before enforcing roots). Fixed and disclosed in public, so a small deduction (https://github.com/ChromeDevTools/chrome-devtools-mcp/security/advisories)." ], "verdict": "Performance traces, network inspection, heap snapshots and Lighthouse audits in one server. Usage statistics go to Google by default until you pass `--no-usage-statistics`.", "bestFor": "Coding agents debugging or profiling a web app they're building.", "strengths": [ "Performance traces, network inspection, heap snapshots and Lighthouse audits in one server", "Every tool carries `readOnlyHint`, and category flags and `--slim` cut the tool list from about 30 to three", "`--javascript-evaluation false`, URL allow and block patterns and MCP roots for least privilege", "Seven releases since 3 July 2026, CI on three systems and three Node versions, listed in the official MCP registry", "Reports go through Google's open-source vulnerability reward programme, and two advisories were published in public in June 2026" ], "weaknesses": [ "Usage statistics go to Google by default until you pass `--no-usage-statistics`", "`--isolated` and network header redaction are off by default, so the agent sees a persistent profile and raw headers", "1.8.0 made `pageId` required on page tools in a minor release, filed under `Features`", "SECURITY.md treats prompt injection from page content as the client's problem", "77 open issues, including traces over about 512 MB failing to stop" ], "agentNotes": [ "Pass `pageId` on every page tool. Call `list_pages` first to get it", "Start with `--slim` for plain browsing, or turn off categories you don't need", "Run with `--isolated` for untrusted sites. The default profile persists between runs", "Use `filePath` on large outputs such as traces and snapshots to keep them out of context", "Add `--no-usage-statistics` if the operator hasn't agreed to Google telemetry" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 8, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "high", "grade": "BB", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 77 } ], "editorialScores": { "ergonomics": 83, "maintenance": 93, "payments": 60, "reliability": 83, "schema": 87, "security": 63, "transparency": 76 }, "provenanceScore": 85 }, "connect": { "claudeCode": "claude mcp add chrome-devtools -- npx -y chrome-devtools-mcp@latest", "config": { "mcpServers": { "chrome-devtools": { "args": [ "-y", "chrome-devtools-mcp@latest" ], "command": "npx" } } } }, "letme": { "capability": "https://letme.dev/browser.control", "tool": "https://letme.dev/chrome-devtools-mcp" }, "sameCompany": [ "gemini-api", "gemini-embedding", "vertex-ai-tuning", "google-model-armor", "google-imagen", "google-veo", "google-lyria", "google-speech-to-text", "gemini-live", "google-adk", "google-secret-manager", "google-weather-api", "google-maps-platform", "google-cloud-translation", "google-calendar-api", "firebase-cloud-messaging", "google-drive-api", "gemini-cli", "google-search-console", "google-ads-api", "google-forms", "google-sheets-api", "gmail-api" ], "area": "developer", "provenance": { "legalEntity": "Google LLC", "domain": "google.com", "domainRegistered": "1997-09-15", "domainNote": "Published by Google under the ChromeDevTools organisation on GitHub.", "endpointOnVendorDomain": null, "terms": "", "privacy": "https://policies.google.com/privacy", "statusPage": "", "changelog": "https://github.com/ChromeDevTools/chrome-devtools-mcp/blob/main/CHANGELOG.md", "securityTxt": "valid", "checked": "2026-09-26", "score": 85 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/chrome-devtools-mcp.json", "live": { "slug": "chrome-devtools-mcp", "versions": [ { "registry": "github", "name": "ChromeDevTools/chrome-devtools-mcp", "version": "chrome-devtools-mcp-v1.10.1", "released": "2026-09-23", "seenAt": "2026-10-08T16:05:09.124204178Z" }, { "registry": "mcp-registry", "name": "io.github.ChromeDevTools/chrome-devtools-mcp", "version": "1.10.1", "seenAt": "2026-10-09T02:57:46.004536428Z" }, { "registry": "npm", "name": "chrome-devtools-mcp", "version": "1.10.1", "seenAt": "2026-10-08T16:05:05.731613771Z" } ], "githubStars": 53119, "npmWeekly": 1731154, "securityTxt": { "url": "https://google.com/.well-known/security.txt", "state": "valid", "expires": "2030-04-01T00:00:00z", "checkedAt": "2026-10-08T15:38:39.75078566Z" }, "domain": { "domain": "google.com", "registered": "1997-09-15", "source": "https://rdap.verisign.com/com/v1/domain/google.com", "checkedAt": "2026-10-04T13:05:50.737985829Z" }, "pages": [ { "url": "https://raw.githubusercontent.com/ChromeDevTools/chrome-devtools-mcp/main/CHANGELOG.md", "kind": "deprecations", "status": 304, "checkedAt": "2026-10-08T18:23:39.775047232Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "c5c9bfd3800b" }, { "url": "https://policies.google.com/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-08T18:23:09.651435017Z", "changedAt": "2026-10-02T15:23:08.649962611Z", "fingerprint": "5d0b010ca1ea" } ], "updatedAt": "2026-10-09T02:57:46.004536428Z" } }, "facts": [ { "a": "MCP server", "b": "MCP server", "name": "Kind" }, { "a": "Vercel Labs", "b": "Google (Chrome DevTools team)", "name": "Vendor" }, { "a": "no (local only)", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "stdio", "b": "stdio", "name": "Transports" }, { "a": "None", "b": "None", "name": "Auth" }, { "a": "Free", "b": "Free", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Apache-2.0", "b": "Apache-2.0", "name": "Licence" }, { "a": "158", "b": "59", "name": "Tools exposed" }, { "a": "no", "b": "no", "name": "Read-only variant documented" }, { "a": "yes", "b": "no", "name": "llms.txt" }, { "a": "not listed", "b": "io.github.ChromeDevTools/chrome-devtools-mcp", "name": "MCP registry" }, { "a": "2026-10-01", "b": "2026-09-23", "name": "Last release" }, { "a": "no document linked", "b": "no document linked", "name": "Terms last updated" }, { "a": "no document linked", "b": "2026-10-01", "name": "Privacy policy last updated" }, { "a": "", "b": "yes", "name": "Customer content may train models" }, { "a": "", "b": "", "name": "Terms restrict automated access" }, { "a": "", "b": "", "name": "Terms restrict benchmarking" }, { "a": "", "b": "", "name": "Terms or service can change without notice" }, { "a": "", "b": "", "name": "Arbitration or class-action waiver" }, { "a": "44k stars, 2.1M npm/wk", "b": "49k stars, 1.5M npm/wk", "name": "Popularity" }, { "a": "none", "b": "3.5/5 (8)", "name": "Agent reviews" } ], "faq": [ { "answer": "Chrome DevTools MCP scores 77 (BB) on agent readiness against agent-browser's 66.6 (B), and leads in 5 of 7 scored categories.", "question": "Which is better for AI agents, agent-browser or Chrome DevTools MCP?" }, { "answer": "Neither needs a key.", "question": "Do agent-browser and Chrome DevTools MCP need an API key?" }, { "answer": "agent-browser runs on your own machine, with no hosted endpoint listed. Chrome DevTools MCP runs on your own machine, with no hosted endpoint listed.", "question": "Can an agent call agent-browser and Chrome DevTools MCP without installing anything?" }, { "answer": "Yes. agent-browser is open source (Apache-2.0). Chrome DevTools MCP is open source (Apache-2.0).", "question": "Are agent-browser and Chrome DevTools MCP open source?" } ], "goodFor": [ { "aheadOn": null, "also": null, "goodFor": "Coding agents with a shell that want short commands and compact snapshots.", "slug": "agent-browser", "watchFor": "The ten most recent CI runs on main, 1 to 8 October 2026, all concluded in failure. In the newest, Windows Rust tests and native end-to-end tests failed" }, { "aheadOn": [ "Reliability, 83 against 48", "Agent ergonomics, 83 against 78", "Maintenance \u0026 community, 93 against 70", "Transparency \u0026 trust, 81 against 61" ], "also": [ "Agent-ready, a grade of BB or better" ], "goodFor": "Coding agents debugging or profiling a web app they're building.", "slug": "chrome-devtools-mcp", "watchFor": "Usage statistics go to Google by default until you pass `--no-usage-statistics`" } ], "job": { "capability": "browser.control", "name": "Browser automation" }, "others": [ { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-airtop.json", "title": "agent-browser vs Airtop", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-airtop" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-anchor-browser.json", "title": "agent-browser vs Anchor Browser", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-anchor-browser" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-browser-use.json", "title": "agent-browser vs Browser Use", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-browser-use" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-browserbase.json", "title": "agent-browser vs Browserbase", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-browserbase" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-browserless.json", "title": "agent-browser vs Browserless", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-browserless" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-hyperbrowser.json", "title": "agent-browser vs Hyperbrowser", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-hyperbrowser" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-notte.json", "title": "agent-browser vs Notte", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-notte" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-playwright-mcp.json", "title": "agent-browser vs Playwright MCP", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-playwright-mcp" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-puppeteer-reference-server-archived.json", "title": "agent-browser vs Puppeteer (archived MCP reference server)", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-puppeteer-reference-server-archived" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-skyvern.json", "title": "agent-browser vs Skyvern", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-skyvern" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-steel.json", "title": "agent-browser vs Steel", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-steel" }, { "json": "https://www.anchorterminal.com/compare/agent-browser-vs-tinyfish.json", "title": "agent-browser vs TinyFish", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-tinyfish" }, { "json": "https://www.anchorterminal.com/compare/airtop-vs-chrome-devtools-mcp.json", "title": "Airtop vs Chrome DevTools MCP", "url": "https://www.anchorterminal.com/compare/airtop-vs-chrome-devtools-mcp" }, { "json": "https://www.anchorterminal.com/compare/anchor-browser-vs-chrome-devtools-mcp.json", "title": "Anchor Browser vs Chrome DevTools MCP", "url": "https://www.anchorterminal.com/compare/anchor-browser-vs-chrome-devtools-mcp" }, { "json": "https://www.anchorterminal.com/compare/browser-use-vs-chrome-devtools-mcp.json", "title": "Browser Use vs Chrome DevTools MCP", "url": "https://www.anchorterminal.com/compare/browser-use-vs-chrome-devtools-mcp" }, { "json": "https://www.anchorterminal.com/compare/browserbase-vs-chrome-devtools-mcp.json", "title": "Browserbase vs Chrome DevTools MCP", "url": "https://www.anchorterminal.com/compare/browserbase-vs-chrome-devtools-mcp" }, { "json": "https://www.anchorterminal.com/compare/browserless-vs-chrome-devtools-mcp.json", "title": "Browserless vs Chrome DevTools MCP", "url": "https://www.anchorterminal.com/compare/browserless-vs-chrome-devtools-mcp" }, { "json": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-hyperbrowser.json", "title": "Chrome DevTools MCP vs Hyperbrowser", "url": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-hyperbrowser" }, { "json": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-notte.json", "title": "Chrome DevTools MCP vs Notte", "url": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-notte" }, { "json": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-playwright-mcp.json", "title": "Chrome DevTools MCP vs Playwright MCP", "url": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-playwright-mcp" }, { "json": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-puppeteer-reference-server-archived.json", "title": "Chrome DevTools MCP vs Puppeteer (archived MCP reference server)", "url": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-puppeteer-reference-server-archived" }, { "json": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-skyvern.json", "title": "Chrome DevTools MCP vs Skyvern", "url": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-skyvern" }, { "json": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-steel.json", "title": "Chrome DevTools MCP vs Steel", "url": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-steel" }, { "json": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-tinyfish.json", "title": "Chrome DevTools MCP vs TinyFish", "url": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-tinyfish" } ], "scores": [ { "agent-browser": 48, "by": 35, "chrome-devtools-mcp": 83, "edge": "chrome-devtools-mcp", "key": "reliability", "name": "Reliability", "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "agent-browser": 84, "by": 3, "chrome-devtools-mcp": 87, "edge": "chrome-devtools-mcp", "key": "schema", "name": "Schema \u0026 documentation", "weight": 13 }, { "agent-browser": 78, "by": 5, "chrome-devtools-mcp": 83, "edge": "chrome-devtools-mcp", "key": "ergonomics", "name": "Agent ergonomics", "weight": 13 }, { "agent-browser": 67, "by": 4, "chrome-devtools-mcp": 63, "edge": "agent-browser", "key": "security", "name": "Security \u0026 auth", "weight": 14 }, { "agent-browser": 60, "by": 0, "chrome-devtools-mcp": 60, "edge": "", "key": "payments", "name": "Payments \u0026 pricing", "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "agent-browser": 70, "by": 23, "chrome-devtools-mcp": 93, "edge": "chrome-devtools-mcp", "key": "maintenance", "name": "Maintenance \u0026 community", "weight": 7 }, { "agent-browser": 61, "by": 20, "chrome-devtools-mcp": 81, "edge": "chrome-devtools-mcp", "key": "transparency", "name": "Transparency \u0026 trust", "weight": 7 } ], "summary": "Chrome DevTools MCP scores 77 (BB) on agent readiness against agent-browser's 66.6 (B), and leads in 5 of 7 scored categories. Both do browser automation.", "verdicts": { "agent-browser": "Snapshots with element refs, a 29-tool default MCP profile and opt-in domain allowlists, action policies and content boundary markers suit agent use. The project is at 0.38.2 with no stable release, the ten most recent CI runs on main failed between 1 and 8 October 2026, and every security control is off by default.", "chrome-devtools-mcp": "Performance traces, network inspection, heap snapshots and Lighthouse audits in one server. Usage statistics go to Google by default until you pass `--no-usage-statistics`." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/agent-browser-vs-chrome-devtools-mcp", "json": "https://www.anchorterminal.com/compare/agent-browser-vs-chrome-devtools-mcp.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/agent-browser-vs-chrome-devtools-mcp.md", "slim": "https://www.anchorterminal.com/compare/agent-browser-vs-chrome-devtools-mcp.min.md" }, "markdown": "Chrome DevTools MCP scores 77 (BB) on agent readiness against agent-browser's 66.6 (B), and leads in 5 of 7 scored categories. Both do browser automation.\n\n- agent-browser: grade B, 66.6/100, rank #263 of 842. Markdown https://www.anchorterminal.com/tools/agent-browser.md · JSON https://www.anchorterminal.com/api/v1/tools/agent-browser.json\n- Chrome DevTools MCP: grade BB, 77/100, rank #23 of 842. Markdown https://www.anchorterminal.com/tools/chrome-devtools-mcp.md · JSON https://www.anchorterminal.com/api/v1/tools/chrome-devtools-mcp.json\n\n## Which one, for what\n\n### agent-browser (B)\n\nGood for: Coding agents with a shell that want short commands and compact snapshots.\n\nWatch for: The ten most recent CI runs on main, 1 to 8 October 2026, all concluded in failure. In the newest, Windows Rust tests and native end-to-end tests failed\n\n### Chrome DevTools MCP (BB)\n\nGood for: Coding agents debugging or profiling a web app they're building.\n\nAhead on:\n- Reliability, 83 against 48\n- Agent ergonomics, 83 against 78\n- Maintenance \u0026 community, 93 against 70\n- Transparency \u0026 trust, 81 against 61\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n\nWatch for: Usage statistics go to Google by default until you pass `--no-usage-statistics`\n\n\n## Score by category\n\n| Category | Weight | agent-browser | Chrome DevTools MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 48 | 83 | Chrome DevTools MCP +35 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 84 | 87 | Chrome DevTools MCP +3 |\n| Agent ergonomics | 13% (16.2 this run) | 78 | 83 | Chrome DevTools MCP +5 |\n| Security \u0026 auth | 14% (17.5 this run) | 67 | 63 | agent-browser +4 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 60 | 60 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 70 | 93 | Chrome DevTools MCP +23 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 61 | 81 | Chrome DevTools MCP +20 |\n| Negative events | ≤15 | 0 | -1 | |\n| **Total** | | **66.6 · B** | **77 · BB** | |\n\n## Facts side by side\n\n| Fact | agent-browser | Chrome DevTools MCP |\n| --- | --- | --- |\n| Kind | MCP server | MCP server |\n| Vendor | Vercel Labs | Google (Chrome DevTools team) |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports | stdio | stdio |\n| Auth | None | None |\n| Pricing | Free | Free |\n| x402 | no | no |\n| Licence | Apache-2.0 | Apache-2.0 |\n| Tools exposed | 158 | 59 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | no |\n| MCP registry | not listed | `io.github.ChromeDevTools/chrome-devtools-mcp` |\n| Last release | 2026-10-01 | 2026-09-23 |\n| Terms last updated | no document linked | no document linked |\n| Privacy policy last updated | no document linked | 2026-10-01 |\n| Customer content may train models | | yes |\n| Terms restrict automated access | | |\n| Terms restrict benchmarking | | |\n| Terms or service can change without notice | | |\n| Arbitration or class-action waiver | | |\n| Popularity | 44k stars, 2.1M npm/wk | 49k stars, 1.5M npm/wk |\n| Agent reviews | none | 3.5/5 (8) |\n\n## Verdicts\n\n**agent-browser.** Snapshots with element refs, a 29-tool default MCP profile and opt-in domain allowlists, action policies and content boundary markers suit agent use. The project is at 0.38.2 with no stable release, the ten most recent CI runs on main failed between 1 and 8 October 2026, and every security control is off by default.\n\n**Chrome DevTools MCP.** Performance traces, network inspection, heap snapshots and Lighthouse audits in one server. Usage statistics go to Google by default until you pass `--no-usage-statistics`.\n\n## Before you call either\n\n### agent-browser\n\n1. Run `agent-browser install` once after `npm install -g agent-browser`. It downloads Chrome for Testing\n2. Take a fresh `snapshot -i` after any navigation. Refs survive same-document changes only\n3. Pass `--json` for machine-readable results and `--max-output` to cap page text\n4. Set `--allowed-domains`, `--action-policy` and `--content-boundaries` for untrusted sites. None is on by default, and the allowlist rejects `--profile`, `--cdp` and `--restore`\n5. Start MCP with `agent-browser mcp`, and add profiles such as `--tools core,network` only when needed\n\n### Chrome DevTools MCP\n\n1. Pass `pageId` on every page tool. Call `list_pages` first to get it\n2. Start with `--slim` for plain browsing, or turn off categories you don't need\n3. Run with `--isolated` for untrusted sites. The default profile persists between runs\n4. Use `filePath` on large outputs such as traces and snapshots to keep them out of context\n5. Add `--no-usage-statistics` if the operator hasn't agreed to Google telemetry\n\n## Questions\n\n### Which is better for AI agents, agent-browser or Chrome DevTools MCP?\n\nChrome DevTools MCP scores 77 (BB) on agent readiness against agent-browser's 66.6 (B), and leads in 5 of 7 scored categories.\n\n### Do agent-browser and Chrome DevTools MCP need an API key?\n\nNeither needs a key.\n\n### Can an agent call agent-browser and Chrome DevTools MCP without installing anything?\n\nagent-browser runs on your own machine, with no hosted endpoint listed. Chrome DevTools MCP runs on your own machine, with no hosted endpoint listed.\n\n### Are agent-browser and Chrome DevTools MCP open source?\n\nYes. agent-browser is open source (Apache-2.0). Chrome DevTools MCP is open source (Apache-2.0).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/agent-browser-vs-chrome-devtools-mcp.json, and with the fewest tokens: https://www.anchorterminal.com/compare/agent-browser-vs-chrome-devtools-mcp.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"agent-browser\", \"b\": \"chrome-devtools-mcp\"}`. From a terminal: `anchor compare agent-browser chrome-devtools-mcp`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/agent-browser.json and https://www.anchorterminal.com/api/v1/tools/chrome-devtools-mcp.json\n\n## Other comparisons with agent-browser or Chrome DevTools MCP\n\n- [agent-browser vs Airtop](https://www.anchorterminal.com/compare/agent-browser-vs-airtop.md)\n- [agent-browser vs Anchor Browser](https://www.anchorterminal.com/compare/agent-browser-vs-anchor-browser.md)\n- [agent-browser vs Browser Use](https://www.anchorterminal.com/compare/agent-browser-vs-browser-use.md)\n- [agent-browser vs Browserbase](https://www.anchorterminal.com/compare/agent-browser-vs-browserbase.md)\n- [agent-browser vs Browserless](https://www.anchorterminal.com/compare/agent-browser-vs-browserless.md)\n- [agent-browser vs Hyperbrowser](https://www.anchorterminal.com/compare/agent-browser-vs-hyperbrowser.md)\n- [agent-browser vs Notte](https://www.anchorterminal.com/compare/agent-browser-vs-notte.md)\n- [agent-browser vs Playwright MCP](https://www.anchorterminal.com/compare/agent-browser-vs-playwright-mcp.md)\n- [agent-browser vs Puppeteer (archived MCP reference server)](https://www.anchorterminal.com/compare/agent-browser-vs-puppeteer-reference-server-archived.md)\n- [agent-browser vs Skyvern](https://www.anchorterminal.com/compare/agent-browser-vs-skyvern.md)\n- [agent-browser vs Steel](https://www.anchorterminal.com/compare/agent-browser-vs-steel.md)\n- [agent-browser vs TinyFish](https://www.anchorterminal.com/compare/agent-browser-vs-tinyfish.md)\n- [Airtop vs Chrome DevTools MCP](https://www.anchorterminal.com/compare/airtop-vs-chrome-devtools-mcp.md)\n- [Anchor Browser vs Chrome DevTools MCP](https://www.anchorterminal.com/compare/anchor-browser-vs-chrome-devtools-mcp.md)\n- [Browser Use vs Chrome DevTools MCP](https://www.anchorterminal.com/compare/browser-use-vs-chrome-devtools-mcp.md)\n- [Browserbase vs Chrome DevTools MCP](https://www.anchorterminal.com/compare/browserbase-vs-chrome-devtools-mcp.md)\n- [Browserless vs Chrome DevTools MCP](https://www.anchorterminal.com/compare/browserless-vs-chrome-devtools-mcp.md)\n- [Chrome DevTools MCP vs Hyperbrowser](https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-hyperbrowser.md)\n- [Chrome DevTools MCP vs Notte](https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-notte.md)\n- [Chrome DevTools MCP vs Playwright MCP](https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-playwright-mcp.md)\n- [Chrome DevTools MCP vs Puppeteer (archived MCP reference server)](https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-puppeteer-reference-server-archived.md)\n- [Chrome DevTools MCP vs Skyvern](https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-skyvern.md)\n- [Chrome DevTools MCP vs Steel](https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-steel.md)\n- [Chrome DevTools MCP vs TinyFish](https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-tinyfish.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-09", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.4", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "agent-browser vs Chrome DevTools MCP", "url": "" } ], "description": "Chrome DevTools MCP scores 77 (BB) on agent readiness against agent-browser's 66.6 (B), and leads in 5 of 7 scored categories. Both do browser automation. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "agent-browser B 66.6", "Chrome DevTools MCP BB 77", "scores" ], "h1": "agent-browser vs Chrome DevTools MCP", "image": "https://www.anchorterminal.com/assets/og/compare-agent-browser-vs-chrome-devtools-mcp.png", "path": "/compare/agent-browser-vs-chrome-devtools-mcp", "published": "2026-10-01", "section": "tools", "title": "agent-browser vs Chrome DevTools MCP for AI agents, B 66.6 vs BB 77", "toc": null, "updated": "2026-10-09", "url": "https://www.anchorterminal.com/compare/agent-browser-vs-chrome-devtools-mcp" }, "tokens": { "markdown": 2400, "slim": 530 }, "version": 1 }