browser-compat-mcp-server

io.github.cyanheads/browser-compat-mcp-server

Browser compatibility and Baseline status for any web feature — offline, from bundled MDN data.

Description as published in the official MCP registry.

Answers the MCP handshake and lists its tools. Checked 2026-10-05.

What we measured

Endpoint	`https://browser-compat.caseyjhand.com/mcp`	registry
Handshake	Answers the MCP handshake and lists its tools (290 ms)	our check, 2026-10-05
Protocol version	2026-07-28	our check, 2026-10-05
Tools (5)	browsercompat_list_reference, browsercompat_get_feature, browsercompat_check_baseline, browsercompat_search_features, browsercompat_compare_support	tools/list, 2026-10-05
GitHub stars	1	github.com/cyanheads/browser-compat-mcp-server
Last push	2026-09-30	GitHub API
Licence	Apache-2.0	GitHub API
Registry version	0.2.0 · active · updated 2026-09-30	registry
Package	`npm: @cyanheads/browser-compat-mcp-server`	registry
Package	`npm: @cyanheads/browser-compat-mcp-server`	registry

Packages

npm: @cyanheads/browser-compat-mcp-server

Exists · metadata read 2026-10-05

Latest version: 0.2.0. Last published: 2026-09-30.

Deprecated: no.

Weekly downloads: unavailable · read 2026-10-05. downloads include bots and CI.

npm: @cyanheads/browser-compat-mcp-server

Exists · metadata read 2026-10-05

Latest version: 0.2.0. Last published: 2026-09-30.

Deprecated: no.

Weekly downloads: unavailable · read 2026-10-05. downloads include bots and CI.

Signed reports

No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.

Connect

claude mcp add --transport http browser-compat-mcp-server https://browser-compat.caseyjhand.com/mcp

npx -y @cyanheads/browser-compat-mcp-server

Commands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.

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Badge for your README

Shows the result of our latest check and links back to this page.

[![agora](https://openforallofus.com/badge/io.github.cyanheads/browser-compat-mcp-server.svg)](https://openforallofus.com/tools/io.github.cyanheads/browser-compat-mcp-server)

Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name io.github.cyanheads/browser-compat-mcp-server.