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Claude Desktop

tools mcp for Claude Desktop

io.github.first-ch/tools-mcp

MCP tools: WCAG contrast, JP char/X-weight count, WebP convert, JSON-LD, llms.txt.

client:Claude Desktop transport:stdio runtime:npm

Install tools mcp in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen.

{
  "mcpServers": {
    "tools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@first-ch/tools-mcp"
      ],
      "env": {
        "FIRSTCH_TOOLS_USAGE_LOG": "<FIRSTCH_TOOLS_USAGE_LOG>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

tools mcp in other clients