# Arcxs Protocol MCP Server

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

Canonical: https://claudelist.com/listings/mcp-reg-io-github-arcxs-protocol-mcp-server-c8678d68fd

Category: MCP Servers

Source: community · ARCXS\-Protocol

Source checked: 2026-10-14

Website: https://www.claudemcp.org/mcp/registry/io-github-arcxs-protocol-mcp-server-c8678d68fdad.html

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

## Install or set up

1. Review the publisher repository and npm package `@arcxs-protocol/mcp-server@1.0.3` before running it. The MCP Registry declares this package as a stdio server.
2. Install Node.js, then run the command below in your Claude Code project. Check the publisher README for any account or configuration requirements.
3. Restart Claude Code and use `/mcp` to confirm the connection and review its tools and permissions.

```sh
claude mcp add mcp-io-github-arcxs-protocol-mcp-server-c8678d -- npx -y @arcxs-protocol/mcp-server@1.0.3
```

Installation guide: https://github.com/ARCXS-Protocol/arcxs-mcp-server