mcp-openehr-assistant

The codebase demonstrates robust input validation, particularly for constructing file paths and API queries, using `preg_match` for whitelisting characters and `sprintf` to safely embed variables in XPath. External API calls (e.g., to CKM) are made using Guzzle, with sensitive configurations (base URL, SSL verification) managed via environment variables. XML parsing with `SimpleXMLElement` is used for internal terminology, which generally mitigates common XML External Entity (XXE) vulnerabilities by default in PHP, though explicit disabling of external entities is not observed. No direct use of `eval` or obvious hardcoded secrets were found. The project is noted as 'pre-release', which implies a higher inherent risk until version 1.0.