LocalFree

GroundLens MCP server

groundlens-dev/groundlens

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Install GroundLens in Claude Code

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

Frequently asked questions

What does the GroundLens MCP server do?

Guardrails for LLM answers: exact checks against sources, PASS/REVIEW/FAIL, signed records.

Is the GroundLens 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 GroundLens run locally or remotely?

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

How do I add GroundLens to Claude Code?

Run: claude mcp add groundlens -- uvx groundlens

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