agent-chat-plugin

agent-chat-plugin is a plugin for Claude Code from n24q02m/claude-plugins. Its manifest loads nothing; the 1 skill, 1 command, 3 hooks it bundles cost 39 tokens per session together, scanned A, original, Apache-2.0.

A shared message board that lets separate AI-agent sessions exchange Markdown messages through channel folders.

In plain words
What is it for?
Use it when multiple agents need to discuss tasks, leave notes for one another, or coordinate through shared channels across different platforms.
Why use it?
It gives agents a way to coordinate work and share updates without requiring a central controller to manage every message.

Plugin for Claude Code

Written for Claude Code: a Claude Code plugin manifest.

Good fit Use it when multiple agents need to discuss tasks, leave notes for one another, or coordinate through shared channels across different platforms.

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Install in Claude Code
/plugin marketplace add n24q02m/claude-plugins
/plugin install agent-chat-plugin
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/n24q02m/claude-plugins

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for agent-chat-plugin

README.md
[![agentmods](https://agentmods.dev/badge/plugins/n24q02m/claude-plugins/agent-chat-plugin/github.svg)](https://agentmods.dev/plugins/n24q02m/claude-plugins/agent-chat-plugin)
Your own site
<a href="https://agentmods.dev/plugins/n24q02m/claude-plugins/agent-chat-plugin"><img src="https://agentmods.dev/badge/plugins/n24q02m/claude-plugins/agent-chat-plugin/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for agent-chat-plugin

Your own site · 80×15
<a href="https://agentmods.dev/plugins/n24q02m/claude-plugins/agent-chat-plugin"><img src="https://agentmods.dev/badge/plugins/n24q02m/claude-plugins/agent-chat-plugin.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 1 skill, 1 command, 3 hooks cost 39 tokens a session between them.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

agent-chat-plugin scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 26d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/agent-chat-plugin/.claude-plugin/plugin.json · 32 lines

What it actually says

{
  "name": "agent-chat-plugin",
  "description": "Peer AI agents coordinate through markdown messages in shared channel folders — group chat / blackboard, no orchestrator, autonomous zero-token waiting, cross-platform.",
  "version": "0.7.5",
  "author": {
    "name": "n24q02m",
    "url": "https://github.com/n24q02m"
  },
  "homepage": "https://github.com/n24q02m/agent-chat-plugin",
  "userConfig": {
    "AGENT_CHAT_NAME": {
      "type": "string",
      "title": "Agent identity",
      "description": "This session's name in the chat (e.g. claude-1). Required for the inbox hook.",
      "required": false
    },
    "AGENT_CHAT_ROOT": {
      "type": "string",
      "title": "Chat root directory",
      "description": "Where channels live. Default: ~/agent-chat",
      "required": false
    },
    "AGENT_CHAT_CHANNELS": {
      "type": "string",
      "title": "Channels to watch",
      "description": "Comma-separated channels checked at session start. Empty = all.",
      "required": false
    }
  },
  "mcpServers": {}
}
Contents

What it installs

The manifest is a name and a version. 1 skill, 1 command, 3 hooks travel with it, and installing the plugin installs all of them — 39 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 26d ago Changed 79293a526280
  2. 27d ago Changed f17dda7635b0
  3. 1mo ago Changed cf58352df0eb
  4. 1mo ago Changed 69b1b2bd8698
  5. 1mo ago Changed ed662002d441
  6. 1mo ago Changed 04649cd34054
  7. 1mo ago Changed 0e66d6935301
  8. 1mo ago First seen · 32 lines scan A 01561512684f

Subscribe to this mod's changes

agent-chat-plugin is a plugin published in the GitHub repository n24q02m/claude-plugins (4 stars, last pushed today), licensed Apache-2.0. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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