🛡️
Input Validation
Sanitize all parameters with Zod schemas
⚠️
Error Handling
Return MCP error codes, never expose internals
⏱️
Rate Limiting
Prevent abuse and runaway costs
🔑
Auth & Secrets
Environment variables, never hardcode
📋
Logging
Structured logs for every tool invocation
✅
Testing
Unit tests + MCP Inspector integration tests
Building a working server is step one. Shipping a reliable, secure server that others can depend on is the real challenge. This module covers the gap between "works on my machine" and "production-ready."