The ColdState — Deterministic Knowledge Infrastructure MCP server,
connected in one click.
Deterministic knowledge for AI agents: search, fetch, cite and verify a 48M-entry knowledge base. Connect the official ColdState — Deterministic Knowledge Infrastructure MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Add ColdState — Deterministic Knowledge Infrastructure to your AI in one minute
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http coldstate-deterministic-knowledge-infrastructure https://cold-api.coldstate.ai/mcpRun in your terminal, then restart Claude Code.
ColdState — Deterministic Knowledge Infrastructure · https://cold-api.coldstate.ai/mcp
What your AI can do with ColdState — Deterministic Knowledge Infrastructure
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “coldstate_search”: Search a ColdState index by collection name or index ID. Returns ranked results with Ψ scores and state classification (CRYSTALLINE/FLUID/RE.”
“Use “coldstate_list_indexes”: List all your ColdState indexes with their status, mode, document count, and domain preset.”
“Use “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.”
“Use “coldstate_explain”: Explain why a specific document ranked for a query. Returns a per-term relevance breakdown and an overall match summary — deterministic and.”
How secure is the ColdState — Deterministic Knowledge Infrastructure MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how ColdState — Deterministic Knowledge Infrastructure holds up.
Official endpoint
Operated by ColdState — Deterministic Knowledge Infrastructure (coldstate.ai) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If ColdState — Deterministic Knowledge Infrastructure adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick ColdState — Deterministic Knowledge Infrastructure
Choose ColdState — Deterministic Knowledge Infrastructure in the gate directory. No sign-in needed.
Use it anywhere
ColdState — Deterministic Knowledge Infrastructure's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools ColdState — Deterministic Knowledge Infrastructure exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
coldstate_search — Search a ColdState index by collection name or index ID. Returns ranked results with Ψ scores and state classification (CRYSTALLINE/FLUID/RE
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
coldstate_explain — Explain why a specific document ranked for a query. Returns a per-term relevance breakdown and an overall match summary — deterministic and
coldstate_search_global — Search ColdState's global knowledge base (48.4M+ entries across 35 domains including SCIENCE, MEDICINE, TECHNOLOGY, HISTORY, etc). Returns d
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 reco
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
+ 8 more tools once connected
Who runs the ColdState — Deterministic Knowledge Infrastructure MCP server?
The ColdState — Deterministic Knowledge Infrastructure MCP server at a glance
https://cold-api.coldstate.ai/mcpQuestions, answered
Is there an official ColdState — Deterministic Knowledge Infrastructure MCP server?
Yes — ColdState — Deterministic Knowledge Infrastructure operates its own remote MCP server at cold-api.coldstate.ai. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect ColdState — Deterministic Knowledge Infrastructure to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick ColdState — Deterministic Knowledge Infrastructure in the directory. No account or sign-in is needed. From then on, ColdState — Deterministic Knowledge Infrastructure's tools are available in every client you've connected to gate.
Do I need to host anything?
No. ColdState — Deterministic Knowledge Infrastructure runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the ColdState — Deterministic Knowledge Infrastructure MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect ColdState — Deterministic Knowledge Infrastructure in minutes. No credit card required.
Connect more than just ColdState — Deterministic Knowledge Infrastructure
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up ColdState — Deterministic Knowledge Infrastructure in: Claude · Claude Code · ChatGPT · Cursor · VS Code
Give your AI ColdState — Deterministic Knowledge Infrastructure — safely.
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