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Agent Comms

Agent Comms is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Cross-harness communication mesh for LLM agents — rooms, DMs, presence, and visibility over TCP. It has 34 GitHub stars, is released under the MIT license and runs locally with npx -y agent-comms.

github.com/ExaDev/agent-comms (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

View on GitHub (opens in a new tab)

Install Agent Comms

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "agent-comms": {
      "command": "npx",
      "args": [
        "-y",
        "agent-comms"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio agent-comms -- npx -y agent-comms

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "agent-comms": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "agent-comms"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "agent-comms": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "agent-comms"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

About Agent Comms

Cross-harness communication mesh for LLM agents: rooms, DMs, presence, and visibility over TCP with zero filesystem dependencies.

  • agents
  • communication
  • llm
  • mcp
  • mesh
  • presence
  • real-time
  • rooms
  • tcp
  • cross-harness

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FAQ

Agent Comms FAQ

Still curious? Email info@appsgit.com.

How do I install the Agent Comms MCP server?

Add the command npx -y agent-comms to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Agent Comms free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Agent Comms actively maintained?

The most recent commit was on Oct 22, 2026. The latest release is v8.15.18, published Oct 22, 2026. appsgit only lists MCP servers with a commit in the last six months.