Cross-Claude

Verified Integration

Author: @rblank9•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Cross-Claude to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "cross-claude": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-cross-claude"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Facilitates real-time communication between various AI assistants via a universal message bus.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Cross-Claude

Cross-Claude includes a shared data store feature. AI instances can use the 'share_data' tool to store large content by a key, then send a small message referencing that key, preventing message channels from being clogged.

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