LocalFree

Ckg MCP server

Yarmoluk/ckg-mcp

97-domain knowledge graphs for AI agents — 4× F1 of RAG, 11× fewer tokens. MCP-native.

Source code

Install Ckg in Claude Code

Claude Code
claude mcp add ckg -- uvx ckg-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "ckg": {
      "command": "uvx",
      "args": [
        "ckg-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Ckg MCP server do?

97-domain knowledge graphs for AI agents — 4× F1 of RAG, 11× fewer tokens. MCP-native.

Is the Ckg MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Ckg run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Ckg to Claude Code?

Run: claude mcp add ckg -- uvx ckg-mcp

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