browserbase/mcp-server-browserbase

MCP Browser & Automation

A self‑hostable server that adds cloud browser automation to the Model Context Protocol, letting LLMs interact with web pages via standardized MCP tools

Track releases GitHub Website

TypeScript Latest v3.0.0 · 2mo ago Security brief →

Features

Exposes six MCP tools for session control, navigation, actions, observation and data extraction
Supports both SHTTP (hosted) and STDIO transports for flexible integration
Configurable flags for proxies, stealth mode, keep‑alive sessions and viewport sizing

Recent releases

View all 1 releases →

v3.0.0 Breaking risk 2mo

Breaking changes

Tool browserbase_session_create renamed to start
Tool browserbase_session_close renamed to end
Tool browserbase_stagehand_navigate renamed to navigate

Full changelog

Major Changes

8f0b070: Align tool names and schemas with the hosted Browserbase MCP server at mcp.browserbase.com.

Breaking changes:
- 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
- extract tool instruction is now optional (matches hosted)
- Default model changed from gemini-2.0-flash to google/gemini-2.5-flash-lite
- Removed Smithery references and dependencies