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mcp/harbor
Claude Desktop

Errata for Claude Desktop

ai.formachines/errata

Sandbox-verified fixes where AI models write outdated code for PyPI and npm libraries

client:Claude Desktop transport:stdio runtime:npm

Install Errata 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": {
    "errata": {
      "command": "npx",
      "args": [
        "-y",
        "@formachines/errata-mcp"
      ],
      "env": {
        "ERRATA_BASE_URL": "<ERRATA_BASE_URL>",
        "ERRATA_TIMEOUT_MS": "<ERRATA_TIMEOUT_MS>",
        "ERRATA_NO_TELEMETRY": "<ERRATA_NO_TELEMETRY>"
      }
    }
  }
}

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

Errata in other clients

Errata MCP server