io.github.mrhpython/lens-mcp

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

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": {
    "lens-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@soulfield/lens-mcp@1.1.1"
      ],
      "env": {
        "SOULFIELD_API_BASE": "https://api.soulfield.one",
        "SOULFIELD_API_KEY": "<your SOULFIELD_API_KEY>"
      }
    }
  }
}

Environment variables

SOULFIELD_API_BASELens API base URL. Use https://api.soulfield.one for the hosted service.
SOULFIELD_API_KEYsecretAPI 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.

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

Category: Developer Tools
Version: 1.1.1
Registry: active
Published: 8/27/2026

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HTML — for your website

<a href="https://serverdex.io/server/io-github-mrhpython-lens-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="io.github.mrhpython/lens-mcp — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![io.github.mrhpython/lens-mcp — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-mrhpython-lens-mcp?utm_source=badge)

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