mcp-warden: Open-Source Credential Proxy Keeps API Keys Away from AI Agents

A developer has open-sourced mcp-warden, a local-first MCP credential proxy written in Rust that stores API keys in the system keychain, ensuring AI agents like Claude Code and Cursor never see tokens that could leak through the context window.

2026-10-26 ~ 2026-10-27 · 2 related posts