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MDN MCP server

by Mozilla

MDN Web Docs pages and browser compatibility data.

No authKnowledge & docsEngineering
Add MDN to MCP1Mozilla docs

What it can do

  • Search MDN
  • Read doc pages
  • Check browser compatibility

Through MCP1, every tool call is checked against your groups and rules, and recorded in the audit log.

How it connects

Public. No authentication needed.

Run as an experiment and may be withdrawn. Mozilla stores the queries it receives.

Endpoint
https://mcp.mdn.mozilla.net/
Transport
Streamable HTTP
Docs
developer.mozilla.org

With MCP1

MDN for the whole team, behind one URL

  1. 01

    Install it once

    An admin adds MDN from the MCP1 catalog. Its authentication or token stays sealed in MCP1, never on a laptop.

  2. 02

    Decide who gets what

    Open it to groups, fully or read-only, and set rules per tool. Destructive tools can need an admin.

  3. 03

    Connect any client

    Claude, Cursor, ChatGPT, Codex and the rest connect one gateway URL and sign in with their own account.

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