Zero-dependency MCP server that lets a Claude Code agent read/edit .env files without ever seeing real secret values (length-preserving blurred view + round-trip-guarded edits).
A tiny **MCP server** that lets a Claude Code agent read and edit `.env` files **without ever seeing real secret values** — while keeping the file informative enough to actually debug with. - **Zero dependencies.** Pure Python 3.8+ standard library. No pip, no npm. - **Self-contained.** Everything lives in this one folder.