Official MCP RegistryHosted servercross-claude-mcp-production.up.railway.app
Cross-Claude
Message bus enabling communication between AI instances across platforms through shared channels, threaded conversations, and data exchange with both local SQLite and cloud PostgreSQL modes.
Connect to Claude Code
Copyclaude mcp add --transport http cross-claude https://cross-claude-mcp-production.up.railway.app/mcpVendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://cross-claude-mcp-production.up.railway.app/mcpstreamable-http
Published in the official MCP registry as “Cross-Claude”. Verified through the vendor namespace.