MCPVault

Encrypted local credential vault for AI agents with multi-account management and live token validation.

MCPVault is a local, AES-256-GCM encrypted credential vault designed for AI agents and MCP clients. It enables storing multiple accounts per service—Supabase, GitHub, Vercel, Stripe—and lets agents activate the correct credentials mid-conversation without restarting. Credentials are validated against actual APIs when added, and session keys are cached in the OS keyring (macOS Keychain, Windows Credential Manager, libsecret). An append-only audit log records which account was used per request without exposing secrets.