Security guardrail: prevents API keys from being sent to Claude. Triggers when user asks to call an external API, use a key, check credentials, read .env fil...
- Initial MCP server implementation added in key-guard.js for local security enforcement. - All API key management functions (including validation, API calls, safe file read/write) are now handled via the MCP tool interface. - Ensures API keys are never exposed; all key-related access is routed through the local MCP server. - Protects sensitive files and scripts by masking keys and substituting only on the local server side.