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Claude Desktop

MCP Hook Conformance for Claude Desktop

io.studiomeyer/hook-conformance

Audits MCP servers for Claude Code mcp_tool hook readiness: idempotency, latency, side-effects.

client:Claude Desktop transport:stdio runtime:npm

Install MCP Hook Conformance in Claude Desktop

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

{
  "mcpServers": {
    "hook-conformance": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-hook-conformance"
      ]
    }
  }
}

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

MCP Hook Conformance in other clients