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Lens Mcp

io.github.mrhpython/lens-mcp ยท v1.1.1

Outside-in validation gate for AI-generated text; a separate model checks LLM output, fail-closed.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add lens-mcp -e SOULFIELD_API_BASE=<SOULFIELD_API_BASE> -e SOULFIELD_API_KEY=<SOULFIELD_API_KEY> -- npx -y @soulfield/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "lens-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@soulfield/[email protected]"
      ],
      "env": {
        "SOULFIELD_API_BASE": "<SOULFIELD_API_BASE>",
        "SOULFIELD_API_KEY": "<SOULFIELD_API_KEY>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "lens-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@soulfield/[email protected]"
      ],
      "env": {
        "SOULFIELD_API_BASE": "<SOULFIELD_API_BASE>",
        "SOULFIELD_API_KEY": "<SOULFIELD_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "lens-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@soulfield/[email protected]"
      ],
      "env": {
        "SOULFIELD_API_BASE": "<SOULFIELD_API_BASE>",
        "SOULFIELD_API_KEY": "<SOULFIELD_API_KEY>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

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

Environment variables

NameDescription
SOULFIELD_API_BASE
Optional		Lens API base URL. Use https://api.soulfield.one for the hosted service.
SOULFIELD_API_KEY
Optional, secret		API key for validate_content and scrub_pii. Get one free, self-serve, no card, at https://api.soulfield.one/pricing#signup. lens_health needs no key.

Details

Package@soulfield/[email protected] (NPM, stdio)
First published27 Aug 2026
Last updated27 Aug 2026
Registry nameio.github.mrhpython/lens-mcp

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