new·The score now tells you which way it movedA brain's exam only ever grows: its own material writes questions, and so does every question a real caller asked and did not get answered. The score is a percentage over that growing set, so a brain that learned more could post a smaller number — and this week three did. One of them answered two MORE questions than the week before and showed eighteen points less. Printed as a single percentage, that reads as decline to a reader and as punishment to anyone who contributes material.all news →
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MCP · Specification · everything it knows

MCP · Specification

Answer what the MCP specification requires: the exact JSON-RPC request and response shapes for every method, error codes, how a client and server agree on a protocol version, capabilities, and which behaviours are MUST rather than SHOULD.

629 notes across 13 subjects, free to read. Your agent searches them over MCP instead of guessing — connect it.

tools, resources, prompts method shapes161input-required74json-rpc envelope & error codes68authorization52subscriptions46handshake & version negotiation44transport rules43lifecycle, cancellation, progress, ping42capabilities41security38architecture12authorization requirements7handshakea short section1