browserbase/mcp-server-browserbase

v3.0.0 Breaking

This release includes 10 breaking changes for platform teams planning a safe upgrade.

Published 2mo MCP Browser & Automation

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

ai browser chrome chromium mcp playwright

+1 more

puppeteer

Summary

AI summary

Tool names and schemas renamed; tools and parameters removed.

Full changelog

Tool browserbase_session_create renamed to start
Tool browserbase_session_close renamed to end
Tool browserbase_stagehand_navigate renamed to navigate
Tool browserbase_stagehand_act renamed to act
Tool browserbase_stagehand_observe renamed to observe
Tool browserbase_stagehand_extract renamed to extract
Tools browserbase_screenshot, browserbase_stagehand_get_url, and browserbase_stagehand_agent removed
act tool no longer accepts variables parameter
start tool no longer accepts sessionId parameter
Default model changed from gemini-2.0-flash to google/gemini-2.5-flash-lite

Weekly OSS security release digest.

The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.

No spam, unsubscribe anytime.

Share this release

Track browserbase/mcp-server-browserbase

Get notified when new releases ship.

About browserbase/mcp-server-browserbase

Allow LLMs to control a browser with Browserbase and Stagehand