agent-messaging

Productivity

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.

QUICK START

How to use this skill

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Source SKILL.md: https://github.com/davila7/claude-code-templates/blob/HEAD/cli-tool/components/skills/ai-maestro/agent-messaging/SKILL.md

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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:

# 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)

amp-init --auto

2. Send a message

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

3. Check inbox

amp-inbox

4. Read a message

amp-read <message-id>

5. Reply

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

# 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