MDN Web Docs provides AI agents with searchable access to web development documentation, including JavaScript, HTML, CSS, and Web APIs. Retrieve technical references, explore browser compatibility data, find code examples, and look up implementation guidance for frontend and web platform development.
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Encrypted at rest, isolated from the model
Resolved from an AES-256-GCM vault at the moment of the call and attached to the request — the model never sees the secrets.
Retrieve MDN's Browser Compatibility Data.
Retrieve a page of MDN documentation as markdown.
Search MDN for documentation about web technologies.
One endpoint, the same key, whichever client you use.
~/Library/Application Support/Claude/claude_desktop_config.json (Mac) · %APPDATA%\Claude\claude_desktop_config.json (Windows)
Replace API_KEY with your own key.
Already have an "mcpServers" section in your config? Just add the server entry inside it.
Any agentOne Gateway
Discovery, routing, credentials, tool scoping and execution logs all happen at the gateway→connections stay ACTIVE with no work from you
MDN MCP runs through a gateway that holds the credentials, scopes the access and records every call.
Managed auth, hosted MCP servers, and every MDN MCP tool your agent needs.
Free to start.
One line prompt in, an ultra HD dancing clip out, ready to post.
