Coolant MCP Server: Install & Setup

Install Coolant in Claude Code

Claude Code

claude mcp add --transport http coolant https://coolant.run/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "coolant": {
      "url": "https://coolant.run/mcp"
    }
  }
}

Frequently asked questions

What does the Coolant MCP server do?

Instruments for what a model cannot know on its own: time, randomness, DNS, hashes, receipts.

Is the Coolant MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Coolant run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Coolant to Claude Code?

Run: claude mcp add --transport http coolant https://coolant.run/mcp

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