jb-mdn

Use the official MDN MCP server through a persistent mcporter server config for current web platform docs and browser compatibility, while avoiding a direct MCP connection in the agent harness.

Server URL: https://mcp.mdn.mozilla.net/ Configured name: mdn

When to use

• Questions about CSS, HTML, JavaScript, DOM, Web APIs, browser features, or web standards.
• Browser compatibility, Baseline, or “can I use this?” checks.
• New or recently shipped platform features where model memory may be stale.
• Implementation work where exact MDN examples, syntax, or compatibility tables matter.

Setup

Persist the official MDN MCP server in mcporter once per project or machine: