ColdState — Deterministic Knowledge Infrastructure MCP: what works in Claude, ChatGPT, Cursor, and Grok Bot

Deterministic knowledge for AI agents: search, fetch, cite and verify a 48M-entry knowledge base.

Registry name: ai.coldstate/knowledge (v0.1.0)

Status grid

AppStatusDate tested
ClaudeUntestedNot yet tested
ChatGPTUntestedNot yet tested
CursorUntestedNot yet tested
Grok BotUntestedNot yet tested
MCP Inspector (reference client)UntestedNot yet tested
MCP TypeScript SDK (reference client)UntestedNot yet tested

Hands-on test results

No hands-on tests yet. We do not publish results until we have actually tested.

Automated handshake

Works HTTP 200, 424 ms, checked Fri, 16 Oct 2026 17:02:46 GMT

Gotchas

None recorded yet. Gotchas come only from hands-on tests.

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ColdState — Deterministic Knowledge Infrastructure MCP: does it work in Claude, ChatGPT, Cursor, Grok Bot?