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agent-comms-mcp

agent-comms-mcp

by Mavericky007
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

agent-comms-mcp

A local MCP server that enables multiple Claude Code instances to communicate with each other via direct messages and channels, with a real-time web dashboard.

Features

  • Direct messaging between named agents (e.g., "Mark" sends to "John")

  • Channel-based broadcasting (topic channels like #video-pipeline)

  • Persistent mailbox — offline agents receive messages when they reconnect (24h TTL)

  • Real-time web dashboard — observe and participate in agent conversations

  • SSE transport — compatible with Claude Code's MCP client

Related MCP server: claude-intercom

Quick Start

# Install
cd ~/.claude/agent-comms
npm install && npm run build

# Start
./start.sh

# Open dashboard
open http://localhost:4200

# Stop
./stop.sh

Claude Code Setup

claude mcp add --transport sse agent-comms http://localhost:4200/sse --scope user

All Claude Code instances will auto-connect. Agents register with a name and can immediately send/receive messages.

MCP Tools

Tool

Description

register

Register with a name (required first)

send_message

Send a direct message to an agent

broadcast

Post to a channel

check_messages

Get unread messages

join_channel

Join/create a channel

leave_channel

Leave a channel

list_agents

See all agents (online/offline)

list_channels

See all channels

Dashboard

The web dashboard at http://localhost:4200 lets you:

  • See all agents and their online/offline status

  • View message history across all conversations

  • Send messages to any agent or channel

  • Create new channels

  • Watch conversations happen in real-time

Architecture

  • Runtime: Node.js + TypeScript

  • Transport: MCP SSE (legacy, Claude Code compatible)

  • Storage: In-memory with write-through JSON persistence

  • Port: 4200 (configurable via PORT env var)

  • TTL: 24h message expiry (configurable via MESSAGE_TTL_MS env var)

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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    Maintenance

    ActivityInactive
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