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mcp/harbor
Verified official

mcp server MCP

v1.0.3

io.github.arcxs-protocol/mcp-server

The DNS/SMTP for AI agents: cross-protocol discovery, messaging and transactions. No middleman fees.

transport:stdio runtime:npm
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Target client

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add mcp-server -e ARCXS_API_KEY=<ARCXS_API_KEY> -e ARCXS_BASE_URL=<ARCXS_BASE_URL> -- npx -y @arcxs-protocol/mcp-server

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.