N8n Workflow Tester Safe

N8n Workflow Tester Safe is an open-source MCP server and CLI utility designed to safely test, score, and inspect n8n workflows with a configuration-driven approach. It allows users to execute workflow tests with tiered scoring, generate execution traces, and make use of a built-in node catalog. Unlike full admin MCP integrations, it deliberately excludes credential management, secrets handling, and auto-fix loops, focusing on safe evaluation suitable for CI, shared environments, and development teams who want robust, low-risk workflow validation without production-level risk.