mcp-slim-guard

local MCP server

Installation

Terminal

claude mcp add mcp-slim-guard -- npx -y mcp-slim-guard

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "mcp-slim-guard": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-slim-guard"
      ]
    }
  }
}

76% fewer MCP tokens in our standard benchmark. Same upstream call. Exact recovery.

mcp-slim-guard is a local MCP server distributed as the npm package mcp-slim-guard.

Run: claude mcp add mcp-slim-guard -- npx -y mcp-slim-guard

Run: codex mcp add mcp-slim-guard -- npx -y mcp-slim-guard

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