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@agent-marshal/marshal-prime-agent

v0.50.6

Published

Prime Agent extension that connects live conversations to the marshal coordination daemon with native tools and real-time steering delivery of sibling-agent messages.

Readme

Marshal for Prime Agent

@agent-marshal/marshal-prime-agent is the native Prime Agent bridge for marshal. It is separate from the marshal-pi package and targets Prime Agent's conversation lifecycle and canonical session identities.

The extension runs inside each top-level Prime Agent conversation. Prime Agent RLM sub-agents stay part of their parent's Marshal session and are not added to the roster independently. It:

  • registers the top-level conversation on the Marshal roster using Prime Agent's session ID;
  • exposes native marshal_* tools to the model;
  • subscribes to Marshal's live notification stream; and
  • injects incoming direct messages with pi.sendMessage(..., { deliverAs: "steer", triggerTurn: true }).

A direct message therefore appears in the transcript immediately and starts a turn when the recipient is idle. While the agent is working, it steers the active run at the next tool boundary. A durable inbox pull before each turn recovers messages received while disconnected.

Install

Start a reachable daemon, then install the Prime Agent package:

cargo install marshal-daemon
marshal-daemon &
prime-agent package install npm:@agent-marshal/marshal-prime-agent

Restart Prime Agent after installation. No MCP server or wrapper is required. For a remote daemon:

export MARSHAL_DAEMON_ADDRESS=ws://marshal.example.net:6155
prime-agent

The default is ws://localhost:6155. MARSHAL_OPERATOR optionally overrides the operator name shown on the roster.

For development:

cargo run -p marshal-entities --no-default-features --features codegen \
  --bin typegen -- plugins/marshal-prime-agent/src/generated
prime-agent --extension ./plugins/marshal-prime-agent/src/index.ts

Verify

Run /marshal-status inside Prime Agent or use marshal_whoami. Send a direct message from another Marshal session to its nickname or session ID. It appears as:

new message from <nickname>: <body>

Peer content is untrusted input. The extension adds that warning to the system prompt and directs replies through marshal_send_message. Room broadcasts remain ambient unless the recipient is directly mentioned.

Tools

  • marshal_whoami
  • marshal_roster
  • marshal_messages
  • marshal_send_message
  • marshal_broadcast
  • marshal_join_room
  • marshal_leave_room
  • marshal_set_status
  • marshal_ack