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mcp/harbor
Claude Code

Errata for Claude Code

ai.formachines/errata

Sandbox-verified fixes where AI models write outdated code for PyPI and npm libraries

client:Claude Code transport:stdio runtime:npm

Install Errata in Claude Code

run in your project directory

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

claude mcp add errata -e ERRATA_BASE_URL=<ERRATA_BASE_URL> -e ERRATA_TIMEOUT_MS=<ERRATA_TIMEOUT_MS> -e ERRATA_NO_TELEMETRY=<ERRATA_NO_TELEMETRY> -- npx -y @formachines/errata-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

Errata in other clients

Errata MCP server