ai.coldstate/knowledge

up checked 2026-11-11T03:38:04.314Z

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Publisher-provided title

ColdState — Deterministic Knowledge Infrastructure

Publisher-provided description

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

Summary by lookupd

Searches, fetches, cites and verifies entries in a 48M-entry deterministic knowledge base with reproducible snapshots.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http knowledge https://cold-api.coldstate.ai/mcp

Codex, remote (streamable-http)

codex mcp add knowledge --url https://cold-api.coldstate.ai/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "knowledge": {
      "url": "https://cold-api.coldstate.ai/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (16 tools)

Publisher-provided text

• coldstate_search Search a ColdState index by collection name or index ID. Returns ranked results with Ψ scores and state classification (CRYSTALLINE/FLUID/REACTIVE/DECOHERENT).
• coldstate_list_indexes List all your ColdState indexes with their status, mode, document count, and domain preset.
• coldstate_browse_documents Browse documents in a ColdState index. Indexes are zero-knowledge, so each document is returned as your ref_id plus its state classification and E-score — no st
• coldstate_explain Explain why a specific document ranked for a query. Returns a per-term relevance breakdown and an overall match summary — deterministic and reproducible.
• coldstate_search_global Search ColdState's global knowledge base (48.4M+ entries across 35 domains including SCIENCE, MEDICINE, TECHNOLOGY, HISTORY, etc). Returns deterministically ran
• coldstate_domains List all available knowledge domains in ColdState's global knowledge base with entry counts.
• coldstate_fetch Fetch a single knowledge-base entry verbatim by its stable id (e.g. "eng_000229f438f7cebd"). Deterministic retrieval — returns the full record plus a content_ha
• coldstate_cite Get a canonical, reproducible citation for a knowledge entry by id (title, domain, source, content_hash, kb_snapshot). Cite a fact so it can be re-verified late
• coldstate_verify Verify a previously-cited knowledge fact is unchanged. Provide the entry id and the content_hash you stored earlier; returns whether it still matches the curren
• coldstate_snapshot Get the current knowledge-base snapshot/version id. Pin this kb_snapshot for reproducibility: the same query against the same kb_snapshot returns identical resu
• coldstate_related Find knowledge entries deterministically related to a given entry id via ColdState's concept-cluster graph. Returns same-cluster and neighboring-cluster entries
• coldstate_resolve Resolve a name, alias, or surface form to its canonical ColdState knowledge entry (id + title). Deterministic: an exact title match wins, else the top relevance
• coldstate_batch_search Run several knowledge-base queries in one call against a single consistent kb_snapshot. Returns each query with its ranked results — efficient and snapshot-cons
• coldstate_stats Deterministic statistics. With a `query`: total matches + state distribution of the top results. Without: global knowledge-base stats (entry count, domains, sna
• coldstate_capabilities Machine-readable manifest of this server: available tools, knowledge domains, current kb_snapshot, determinism guarantees, and limits. Call this first to self-c
• coldstate_isomorph Cross-domain structural analog: given a knowledge entry id, find its closest structural twin in each OTHER domain ("same structure, different domain"). Determin

Details

• Version: 0.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 425 ms
• First indexed: 2026-11-01T08:50:04.976Z
• Last seen in registry: 2026-11-01T08:50:04.976Z
• Website: https://services.coldstate.ai

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