packages / pi-messenger
extension

pi-messenger

Inter-agent messaging and file reservation system — let multiple pi agents coordinate across terminals without stepping on each other.

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Install

$ pi install npm:pi-messenger

Installs from npm into ~/.pi/agent/. Add -l for project-local (.pi/). Manage with pi list / pi update / pi remove.

What this package can reach

Detected automatically from the source at version 0.15.0. This describes access, not safety — you decide whether it's appropriate for what the package claims to do.

  • 🤖
    Behavior — Changes how the agent thinks Modifies the system prompt, injects messages, or rewrites conversation context.
  • Commands — Runs shell commands Spawns processes on your machine.
  • 📁
    Files — Reads files outside your project Touches paths beyond the working directory, such as your home folder.
  • Intercepts tools — Can block or rewrite tool calls Subscribes to tool_call/tool_result/input. Can change a command after you approved the one displayed.
  • 🔧
    New tools — Adds model-callable tools Gives the agent new abilities. Additive and visible, unlike an override.
  • UI — Draws its own interface Renders widgets, footers, dialogs or full-screen views.

What it actually did when run

observed

Loaded in a sandbox with no network, a read-only filesystem and a recording stand-in for pi's API. This is what it called — not what the source suggests it might.

Tools registered pi_messenger

Events subscribed agent_endsession_shutdownsession_startsession_treetool_calltool_resultturn_end

APIs called registerCommandregisterMessageRendererregisterTool

Run against version 0.15.0 on 2026-08-01. Registration-time behaviour under default settings; other configurations may differ.

Review before you install. pi packages run with your full system permissions. Check the source, pin versions, and prefer authors you trust.

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