If you run more than one coding-agent session (Claude Code, Codex, Aider…), you've seen this failure mode: an agent "health-checks" a server that died weeks ago, or confidently reports a daemon as…
whats-running-mcp is an MCP project maintained in the stcmain/whats-running-mcp repository. The maintainer describes its purpose as “If you run more than one coding-agent session (Claude Code, Codex, Aider…), you've seen this failure mode: an agent "health-checks" a server that died weeks…”. Read the project documentation for the complete scope.
The documented npm package is whats-running-mcp. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| whats_running | Full snapshot in one call — use at session start |
| agent_sessions | Which agent processes are live? Terminal-attached vs detached/orphan, with pid, uptime, and working directory |
| listening_ports | Is service X actually up? Every TCP LISTEN socket with owning process |
| daemons | What persistent services are loaded? launchctl (macOS, non-Apple) or systemd user services (Linux), with optional label filter |
| system_stats | Load average, uptime, root-disk free space |
{
"mcpServers": {
"whats-running": {
"command": "npx",
"args": [
"-y",
"whats-running-mcp"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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