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90
MCP live MCP 2025-11-25 http

MDN

mcp.so:mdn/mdn
Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
348ms
last probe
Tools
3
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://mcp.mdn.mozilla.net/mcp
Score: 90/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
3 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
3 items in total; 3 or more earns these points.
fail Describes itself 0/10
0 characters; more than 30 earns these points.
How to earn +10 points
Describe the server in one or two sentences
Set description in your server.json (or the registry listing) to say what the server does and for whom.

Tools · 3

get-compat

Retrieve MDN's Browser Compatibility Data.

get-doc

Retrieve a page of MDN documentation as markdown.

search

Search MDN for documentation about web technologies.

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://mcp.mdn.mozilla.net/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "mdn": {
      "url": "https://mcp.mdn.mozilla.net/mcp",
      "transport": "http"
    }
  }
}