Lens MCP Server: Install & Setup

Install Lens in Claude Code

Claude Code

claude mcp add lens -- npx -y @soulfield/lens-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "lens": {
      "command": "npx",
      "args": [
        "-y",
        "@soulfield/lens-mcp"
      ]
    }
  }
}

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

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

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

Run: claude mcp add lens -- npx -y @soulfield/lens-mcp

letdraw/letdraw-mcp

Create, edit, share and export hand-drawn LetDraw diagrams, from code or a prompt.

AIMento/lean-reader

Token-minimized URL-to-clean-text reader for LLMs, with a token-savings receipt.

JesusGarcia9009/lethe-engineering

Context GC for LLM agents: offload large tool outputs and recall them to save tokens.

katonic-dev/leadgreen-ai

GPU energy per million output tokens by model, GPU and configuration, with grid carbon by country.

heisee/LetsClarify

Human-in-the-Loop API: AI agents create forms, share URLs with humans, get JSON back.

adebayojuwon200-pixel/layergen-app

Layergen 3D model generation, retexture, and repair — for Claude Desktop and any MCP host.