Communication and collaboration tools for Claude Code multi-agent workflows.

This repository contains a collection of Claude Code plugins designed to enhance multi-agent communication and collaboration across repositories. Each plugin is independently installable and addresses specific aspects of cross-agent workflows.

claude plugin marketplace add https://github.com/j4c0bs/claude-comm-plugins.git

CLI:

claude plugin install intercom@claude-comm-plugins

In claude code:

/plugin

# In claude code
/plugin

Category: Productivity

Enable Claude Code agents in separate repositories to communicate via CLI invocation. Bypasses --add-dir limitations (access to agents and skills) by invoking Claude Code directly in target repositories.

Features:

• Cross-repository agent communication
• Automatic session state management
• Cost-efficient multi-turn conversations (savings via prompt caching)
• Flexible storage: temporary or project-local
• Autonomous skill activation + manual /intercom command

Installation:

claude plugin install intercom@claude-comm-plugins

Full Documentation →

Category: Productivity Platform: macOS

Provide voice updates during tasks using macOS say command for proactive communication. Enables voice notifications for progress, findings, and attention requests without blocking execution.

Features:

• Proactive voice updates during work
• Intelligent voice selection (respects preferences + context)
• Notable moments only (not routine operations)
• Non-blocking background execution
• Natural language messages designed for speech
• Context-aware voice selection (progress/emphasis/attention)

Installation:

claude plugin install voice-updates@claude-comm-plugins

Full Documentation →

Category: Productivity Platform: macOS

Send macOS desktop notifications for important events, milestones, or status updates without interrupting workflow. Surfaces critical information to the macOS Notification Center when users are away or multitasking.

Features:

• Desktop notifications for long-running operations
• 5 notification categories (Completion, Discovery, Milestone, Attention, Error)
• Category-specific sound cues (Glass, Funk, Purr, Basso)
• Graceful fallback between terminal-notifier and osascript
• Progressive disclosure documentation for token efficiency
• Notable moments only (not routine operations)

Installation:

claude plugin install apple-notifications@claude-comm-plugins

Full Documentation →

claude-comm-plugins/
├── .claude-plugin/
│   └── marketplace.json         # Marketplace configuration
├── plugins/
│   ├── intercom/                # Intercom plugin
│   │   ├── .claude-plugin/
│   │   │   └── plugin.json
│   │   ├── skills/
│   │   ├── commands/
│   │   └── README.md
│   ├── voice-updates/           # Voice Updates plugin
│   │   ├── .claude-plugin/
│   │   │   └── plugin.json
│   │   ├── skills/
│   │   └── README.md
│   └── apple-notifications/     # Apple Notifications plugin
│       ├── .claude-plugin/
│       │   └── plugin.json
│       ├── skills/
│       └── README.md
├── README.md                    # This file
└── .gitignore

Each plugin must:

• Follow Claude Code plugin conventions
• Include .claude-plugin/plugin.json manifest
• Provide comprehensive documentation in README.md
• Use kebab-case naming
• Include clear usage examples

• Issues: Report bugs or request features
• Documentation: See individual plugin READMEs
• Questions: Open a discussion in the repository

MIT

Built for the Claude Code community. Special thanks to the Anthropic team for creating Claude Code and the plugin system.

Repository Version: 1.0.0 Owner: Jeremy Jacobs Last Updated: 2025-11-30