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MCP server · Browser

Fastmcp Browser

Lightweight MCP server + WebExtension for AI browser automation: no CDP, your real browser, multi-profile

Unclaimed browser
34Low

Scored 22 days ago · breakdown

About Fastmcp Browser

Fastmcp Browser is an MCP server published by rayss868 in the Browser category: lightweight MCP server + WebExtension for AI browser automation: no CDP, your real browser, multi-profile.

The repository has 16 stars and 2 forks, with the last commit 4 days ago. Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/rayss868/fastmcp-browser

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

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Releases

v0.6.0v0.6.0 · 15 Oct 2026WebExtension builds of FastMCP Browser — the MCP bridge that drives Chrome/Firefox over a loopback WebSocket (34 MCP browser tools). What's new in v0.6.0 Read a page as markdown / text / aria / delta. `browser_snapshot` accepts…
v0.5.0v0.5.0 · 13 Oct 2026WebExtension builds of FastMCP Browser — the MCP bridge that drives Chrome/Firefox over a loopback WebSocket (33 MCP browser tools). What's new in v0.5.0 Read a page as text. `browser_snapshot` accepts `format:"text"` to return the…
v0.4.9v0.4.9 · 12 Oct 2026WebExtension builds of FastMCP Browser — the MCP bridge that drives Chrome/Firefox over a loopback WebSocket (33 MCP browser tools). What's new in v0.4.9 Release notifications. The extension status popup checks the latest GitHub release…
v0.4.8v0.4.8 · 12 Oct 2026WebExtension builds of FastMCP Browser — the MCP bridge that drives Chrome/Firefox over a loopback WebSocket (33 MCP browser tools). What's new in v0.4.8 Lightweight page digest. `browser_snapshot` now accepts `format:"digest"` to return…
v0.4.7v0.4.7 · 9 Oct 2026WebExtension builds of FastMCP Browser — the MCP bridge that drives Chrome/Firefox over a loopback WebSocket (33 MCP browser tools). What's new in v0.4.7 Steer the model away from click-then-type. `browser_click`, `browser_fill`, and…
Questions

About Fastmcp Browser

How do I install Fastmcp Browser?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Fastmcp Browser safe to use with an AI agent?

Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Fastmcp Browser still maintained?

Yes — the latest release is v0.6.0 (15 Oct 2026), and the last commit was 4 days ago. The repository has 16 stars.