io.github.teampolarity/cosmos-mcp

io.github.teampolarity/cosmos-mcp

Personal knowledge graph every MCP client reads from and writes to. Portable across agents.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "cosmos-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@polarity-lab/cosmos-mcp@0.7.1"
      ],
      "env": {
        "COSMOS_TOKEN": "<your COSMOS_TOKEN>"
      }
    }
  }
}
Environment variables
  • COSMOS_TOKENsecretpmk_ key from https://cosmos.polarity-lab.com/connectors. Optional on macOS once the system keychain is provisioned via `npx -y @polarity-lab/cosmos-mcp provision pmk_...`.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.7.1
Registry
active
Published
5/19/2026

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HTML — for your website

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Markdown — for your README

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Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.