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Claude Desktop

Cosmos Semantic for Claude Desktop

io.github.wiliamrosa/cosmos-semantic

Governed metrics, business rules and a glossary for AI agents, with evidence on every answer.

client:Claude Desktop transport:stdio runtime:pypi

Install Cosmos Semantic in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "cosmos-semantic": {
      "command": "uvx",
      "args": [
        "cosmos-semantic"
      ],
      "env": {
        "COSMOS_API_KEY": "<COSMOS_API_KEY>",
        "COSMOS_DEV_API_KEYS": "<COSMOS_DEV_API_KEYS>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Cosmos Semantic in other clients

Cosmos Semantic MCP server