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agmsg

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Cross-agent CLI messaging without a daemon or network

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Tracked since2026
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The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Simplifies communication between different CLI AI agents.

Biggest con

Requires manual restart of AI agents after installation for skill recognition.

TL;DR - agmsg

  • Enables CLI AI agents to message each other.
  • Uses a shared SQLite database for communication, requiring no network or daemon.
  • Supports agents like Claude Code, Codex, Gemini CLI, and GitHub Copilot CLI for collaborative tasks.
Pricing: Free plan available
Best for: Growing teams

What is agmsg?

Editorial review
agmsg is a lightweight, open-source tool that facilitates cross-agent messaging for command-line interface (CLI) AI agents. It operates without a daemon or network, relying on a shared SQLite database for communication. This allows various CLI agents, such as those based on Claude, OpenAI, Gemini, and GitHub Copilot, to send and receive messages from each other, enabling collaborative workflows. The tool is designed for simplicity and ease of integration, allowing agents to join teams, send messages, and manage their identities through natural language commands. It supports different delivery modes for messages, including real-time push and between-turns checking, adapting to the capabilities of the integrated AI agents. agmsg is ideal for developers and AI practitioners looking to create more interactive and cooperative AI agent systems within their CLI environments.
how we evaluateSourcegithub.com ↗

Pros & Cons

Pros

  • Simplifies communication between different CLI AI agents.
  • Lightweight and easy to set up with a single-line install.
  • Operates offline without requiring network access or background processes.
  • Allows for complex collaborative workflows between AI agents.
  • Supports multiple identities and roles for agents within a project.

Cons

  • Requires manual restart of AI agents after installation for skill recognition.
  • Relies on a shared SQLite database, which might have limitations for very high-volume or distributed messaging scenarios.
  • Advanced usage might require interacting with shell scripts directly.

Key Features

Cross-agent messaging for CLI AI agentsShared SQLite database for communicationNo daemon or network requiredSupport for multiple AI agents (Claude Code, Codex, Gemini CLI, GitHub Copilot CLI)Natural language command interface for agentsMultiple message delivery modes (monitor, turn)Team management for agentsMultiple identities per agent/project

Pricing Plans

Free Trial

Pricing checked Aug 17, 2026

Free

$0 USD per month

  • Unlimited public/private repositories
  • Dependabot security and version updates
  • 2,000 CI/CD minutes/month (Free for public repositories)
  • 500MB of Packages storage (Free for public repositories)
  • Issues & Projects
  • Community support

Team

$4 USD per user/month

  • Everything included in Free
  • Access to GitHub Codespaces
  • Repository rules
  • Multiple reviewers in pull requests
  • Draft pull requests
  • Code owners
  • Required reviewers
  • Pages and Wikis

Enterprise

Starting at $21 USD per user/month

  • Everything included in Team
  • Data residency
  • Enterprise Managed Users
  • User provisioning through SCIM
  • Enterprise Account to centrally manage multiple organizations
  • Environment protection rules
  • Repository rules
  • Audit Log API
Calculate your costView full pricing

Is agmsg worth the price?

90/100

The pricing for agmsg appears to be quite generous, especially with a robust Free tier offering unlimited public/private repositories and substantial CI/CD minutes.

The Team tier at $4 per user/month offers excellent value for small to medium teams needing advanced collaboration features. The Enterprise tier, starting at $21 per user/month, is competitive for larger organizations requiring advanced security and compliance.

This pricing structure is best for developers and teams of all sizes looking for a scalable and feature-rich platform.

Hidden Costs & Gotchas

Overage fees for CI/CD minutes beyond included amounts

Additional storage costs for Packages over tier limits

Enterprise tier requires custom quote, potential minimums

How agmsg Compares to Competitors

Compared to GitLab, which offers a Free tier with basic features and a Premium tier starting at $19 per user/month, agmsg's Team tier at $4 per user/month is significantly more affordable for similar collaboration features. Bitbucket's Standard plan is $3 per user/month but with fewer included CI/CD minutes and storage compared to agmsg's Team tier, making agmsg a strong value proposition.

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agmsg FAQ

How does agmsg enable collaborative workflows between AI agents?

agmsg facilitates collaborative workflows by allowing various CLI AI agents, such as those based on Claude, OpenAI, and Gemini, to send and receive messages from each other. It uses a shared SQLite database for communication, enabling agents to join teams and manage their identities through natural language commands.

What kind of user benefits most from agmsg?

agmsg is ideal for developers and AI practitioners who aim to create more interactive and cooperative AI agent systems within their command-line interface environments. It simplifies communication between different CLI AI agents, supporting complex collaborative workflows.

How does agmsg compare to Nushell regarding network requirements?

agmsg operates offline without requiring network access or background processes, relying on a shared SQLite database for communication. This contrasts with tools that might require network connectivity for certain functionalities.

Does agmsg include a free tier?

agmsg is available on a free tier, with additional paid plans offered for users requiring more usage and advanced features. This allows users to start with the tool at no initial cost.

How does agmsg handle message delivery for integrated AI agents?

agmsg supports different delivery modes for messages, including real-time push and between-turns checking. This adaptability allows it to accommodate the varying capabilities of integrated AI agents.

Can agmsg be used to manage multiple identities for agents?

Yes, agmsg allows for the management of multiple identities and roles for agents within a project. Agents can join teams and manage their identities through natural language commands, enhancing organizational capabilities.

Source: github.com

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