Persistproc is an MCP server and command line tool that lets agents and humans see and control long-running processes such as web servers. Its goal is to reduce copying and pasting when coding with AI, simplify multi-agent workflows, and remain tool-agnostic. There is no separate config file; processes are managed entirely at runtime, and persistproc is not a replacement for supervisord. The server exposes an MCP API at http://127.0.0.1:8947, allowing clients to list processes, start/stop/restart them, and retrieve their outputs. The distribution ships with a minimal toolset: ctrl for unified process control (start, stop, restart); list to enumerate managed processes with optional filters (PID, command, working directory) and log paths; and output to fetch captured logs. You can start a process by running persistproc npm run dev from your project directory; the command is sent to the server and streaming output is returned in your terminal. The design prioritizes a lightweight, runtime-driven approach suitable for agent-assisted development workflows.