| FMRS | 52 / 100 · D | 78 / 100 · B | 76 / 100 · B |
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| Reliability | 6 / 20 | 13 / 20 | 13 / 20 |
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| Security and permissions | 8 / 20 | 12 / 20 | 12 / 20 |
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| Maintenance | 8 / 20 | 18 / 20 | 17 / 20 |
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| Documentation | 16 / 20 | 18 / 20 | 17 / 20 |
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| Setup experience | 14 / 20 | 17 / 20 | 17 / 20 |
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| Best for | - Developers and testers who want AI-assisted browser automation.
- Scenarios requiring headless browsers for integration testing or crawling.
- Users who prefer natural language commands over manual scripting.
- Teams already using Selenium and looking to integrate AI agents.
| - Scenarios where an AI assistant needs to actually drive a browser to complete a task
- Web automation testing and end-to-end verification
| - Frontend developers who want AI-assisted web debugging and performance analysis
- Scenarios that need browser automation and performance diagnostics in the same tool
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| Not for | - Not suitable for scenarios requiring fine-grained control over browser internals (though execute_script exists).
- Not suitable for tasks that don't need browser automation, like pure API testing.
- Not ideal for production environments requiring official support or enterprise guarantees, as it's community-maintained.
- Safari users need extra setup and lack headless mode, which may not fit all automation needs.
| - Simple static-text scraping (a lightweight scraper is a better fit)
- Environments sensitive to browser resource usage that can't run a full browser engine
| - Cases that only need to scrape page text without performance analysis or complex interaction (a lighter scraping tool is a better fit)
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| Required permissions | - Network access to download browser drivers and communicate with browsers.
- Local filesystem access for file uploads and screenshot saves.
- Potential system permissions (e.g., `sudo safaridriver --enable`).
- Execution permissions to run npx commands.
| - Requires installing and running a browser engine (Chromium/Firefox/WebKit) locally or on a server
- browser_navigate can visit any URL; browser_evaluate can run arbitrary JavaScript in the page context
| - Requires a local Chrome browser instance to run
- navigate_page can visit any URL; type_text/fill_form and similar tools can enter arbitrary content into the page
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| Risks and side effects | - Browser automation may be detected by websites, leading to IP bans or ToS violations.
- Headless mode can be recognized by some sites, affecting test validity.
- The server itself is not malicious, but executing arbitrary JavaScript via execute_script poses security risks if the agent is instructed maliciously.
- Dependency on npx may download unspecified versions, introducing supply chain risks.
- Misuse could accidentally submit forms, delete data, or perform destructive actions.
- Safari configuration requires admin privileges, which may modify system settings.
| - browser_evaluate executing arbitrary scripts carries risk if a malicious page is visited — restrict to trusted sites or an isolated environment
- Long-running browser instances consume significant memory and CPU
| - Browser automation tools can access and manipulate the content of open pages — use only in a trusted development/test environment
- performance_start_trace and similar tracing tools continuously record browser activity — avoid leaving them running on pages containing sensitive information
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| Supported clients | Goose, Claude Code, Cursor, Windsurf | Claude Desktop, Claude Code, VS Code, Cursor, Windsurf, JetBrains, Zed, Cline, Amp, Kiro, LM Studio, Antigravity, Goose | Claude Code, VS Code, Cursor, Windsurf, JetBrains, Cline, Amp, Kiro, Antigravity |
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| Tools | 18 | 10 | 22 |
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