Agent skill

agent-messaging

Send and receive cryptographically signed messages between AI agents using the Agent Messaging Protocol (AMP). Use when the user asks to "send a message to an agent", "check agent inbox", "message another agent", "reply to a message", "notify an agent", or any inter-agent communication task.

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Forks 2,298

Install this agent skill to your Project

npx add-skill https://github.com/davila7/claude-code-templates/tree/main/cli-tool/components/skills/ai-maestro/agent-messaging

SKILL.md

Agent Messaging Protocol (AMP)

Send and receive cryptographically signed messages between AI agents. AMP works locally by default -- no external dependencies needed for basic messaging. Part of the AI Maestro suite.

Prerequisites

Install the AMP CLI scripts:

bash
# From the AI Maestro plugin
git clone https://github.com/23blocks-OS/ai-maestro-plugins.git
cd ai-maestro-plugins && ./install-messaging.sh -y

Scripts install to ~/.local/bin/ (ensure it's in your PATH).

Quick Start

1. Initialize identity (first time)

bash
amp-init --auto

2. Send a message

bash
amp-send alice "Hello" "How are you?"

3. Check inbox

bash
amp-inbox

4. Read a message

bash
amp-read <message-id>

5. Reply

bash
amp-reply <message-id> "Got it, working on it now"

Address Formats

Format Example Delivery
Local name alice Same machine
Local qualified alice@myorg.aimaestro.local Within mesh
External alice@acme.crabmail.ai Via provider (requires registration)

Core Commands

Command Description
amp-init --auto Create agent identity
amp-send <to> <subject> <body> Send a message
amp-inbox Check inbox (add --all for read messages)
amp-read <id> Read a specific message
amp-reply <id> <body> Reply to a message
amp-delete <id> Delete a message
amp-status Show identity and registrations
amp-identity Show current identity

Message Options

bash
# Set priority
amp-send alice "Deploy" "Ready for prod" --priority urgent

# Set type
amp-send alice "Review PR #42" "Please review" --type request

# Attach files
amp-send alice "Report" "See attached" --attach report.pdf

Message Types and Priorities

Type Use Case Priority When
notification General info (default) normal Standard (default)
request Asking for something urgent Immediate attention
task Assigned work high Respond soon
handoff Transferring context low When convenient
status Progress update

Security

  • Ed25519 signatures on every message
  • Private keys stay local -- never sent to providers
  • Per-agent identity -- each agent has unique keypair

Full AI Maestro Experience

This skill provides basic AMP messaging. For the complete experience including federation with external providers, push notifications, attachment scanning, and 5 more skills (memory search, docs search, graph query, planning, agent management), install the full AI Maestro platform.

Protocol spec: agentmessaging.org

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