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Open Primitive

io.github.writesdavid/open-primitive · v1.2.0

33 tools, 30 US federal data domains. Ed25519 signed, provenance chains, entity graph. Free.

Connect Runs on your machine

Terminal
claude mcp add open-primitive -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "open-primitive": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "open-primitive": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "open-primitive": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Details

Package[email protected] (NPM, stdio)
First published18 Apr 2026
Last updated18 Apr 2026
Registry nameio.github.writesdavid/open-primitive

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