my-first-mcp-server

The code primarily uses in-memory data structures, limiting common web vulnerabilities like SQL injection. No 'eval' or similar dangerous functions are used. There are no hardcoded secrets or obvious malicious patterns. Input validation is minimal (e.g., employee_id existence, leave days vs. balance), but sufficient for an example server not handling sensitive external interactions. The lack of robust input sanitization for string fields like 'date' could be a minor concern in a production environment if combined with other vulnerabilities, but is not critical here.