™2 min read
Definition
An MCP server card is the read-only descriptor a client fetches with a GET on the MCP endpoint before opening a session. It names the server, its protocol version and its advertised capabilities, letting the client configure itself without hard-coded assumptions.
In plain terms
A little 'about me' file the MCP server publishes so clients know how to talk to it.
Why it matters here
Cacheable and public. Read it, then initialize — see initializing an MCP client.
Related reading
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