Blueprint MCP

Blueprint MCP

AI browser automation that uses your logged-in sessions

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Connects Claude to your real Chrome/Firefox—not headless. Keeps all your logged-in sessions, bypasses bot detection, uses CSS selectors instead of context-killing snapshots. Claude sees a button, clicks button:has-text('Submit'), verifies results. Perfect for authenticated automation, frontend debugging, testing behind 2FA. Includes 20+ tools: screenshots, network capture, console logs, form filling. Free, open source (Apache 2.0), runs locally with zero telemetry or cloud calls.
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Blueprint MCP gallery image
Blueprint MCP gallery image
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Launch tags:Chrome Extensions•Open Source•Developer Tools
Launch Team
AssemblyAI
AssemblyAI
Build voice AI apps with a single API
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What do you think? …

Vladimir Elchinov
Maker
📌

Hi Product Hunt! 👋

I built Blueprint MCP after getting frustrated with existing browser automation MCPs.

The problem: They spawn headless browsers (bot detection!), require constant re-auth,
and send massive snapshots that kill your context window.

Demo: 3-minute comparison on Amazon - Browser MCP fails, Blueprint MCP works:

Testimonial:

"This is really nice. It works really well for exploratory and debugging stuff."

— Paul Hammant, co-creator of Selenium (from Reddit)


Blueprint MCP is different:
✓ Controls YOUR actual browser (Chrome/Firefox)
✓ Uses your logged-in sessions
✓ CSS selectors instead of snapshots
✓ Can verify its own work
✓ Free, open source, runs locally

Perfect for:
- Automating behind login/2FA
- Testing with real sessions
- Debugging frontend issues
- Web scraping without detection

Try it: https://blueprint-mcp.railsbluep...
GitHub: https://github.com/railsblueprin...

Happy to answer questions!