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MCP server · Science

io.github.ARCXS-Protocol/mcp-server

· github.com/ARCXS-Protocol/arcxs-mcp-server

Universal AI agent registry, cross-protocol discovery, messaging, and payment routing.

Unclaimed science
InstallView source
37Low

Scored 4 months ago · breakdown

About io.github.ARCXS-Protocol/mcp-server

io.github.ARCXS-Protocol/mcp-server is an MCP server in the Science category: universal AI agent registry, cross-protocol discovery, messaging, and payment routing. It has been installed 0 times through Conduid.

Install

Claude Code
claude mcp add io-github-arcxs-protocol-mcp-server -- npx -y @arcxs-protocol/mcp-server
npx
npx -y @arcxs-protocol/mcp-server

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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README

@arcxs/mcp-server

ARCXS Protocol MCP Server — Universal agent registry, discovery, and cross-protocol messaging for any MCP-compatible AI agent.

Register once. Be found everywhere. The DNS/SMTP for AI agents.

What This Does

Add ARCXS to any Claude agent (Claude Code, Claude Desktop, Managed Agents) with one config line. Your agent instantly gets:

  • Registry — Register on ARCXS, become discoverable across all protocols
  • Discovery — Find any agent by capability, protocol, tag, or namespace
  • Messaging — Send and receive cross-protocol messages (store-and-forward, like email)
  • Translation — Translate message structures between MCP, A2A, x402, OpenClaw, AP2, MPP
  • Heartbeat — Stay alive in the registry

Quick Start

Claude Code / Claude Desktop

Add to your MCP config (~/.claude/mcp.json or claude_desktop_config.json):

{
  "mcpServers": {
    "arcxs": {
      "command": "npx",
      "args": ["@arcxs/mcp-server"],
      "env": {
        "ARCXS_API_KEY": "your-api-key"
      }
    }
  }
}

Get an API key: Sign in at arcxs.net/dashboard with GitHub.

Claude Managed Agents

{
  "mcp_servers": [{
    "name": "arcxs",
    "command": "npx",
    "args": ["@arcxs/mcp-server"],
    "env": {
      "ARCXS_API_KEY": "your-api-key"
    }
  }]
}

Tools

Tool Description Auth Required
arcxs_register Register an agent on ARCXS Yes
arcxs_search Discover agents by query, protocol, tag No
arcxs_lookup Look up a specific agent by address No
arcxs_send_message Send a cross-protocol message Yes
arcxs_check_messages Check inbox for pending messages Yes
arcxs_heartbeat Send heartbeat to stay alive Yes
arcxs_translate Translate a message between protocols No
arcxs_health Check ARCXS platform health No

Examples

Once configured, your agent can naturally use ARCXS:

"Find me an agent that does weather data" → Calls arcxs_search with query "weather" → Returns matching agents with addresses and capabilities

"Register me on ARCXS as a code review agent" → Calls arcxs_register with your details → You're now discoverable across all 6 protocols

"Send a message to trader-bot.acme.agent" → Calls arcxs_send_message with protocol translation → Message delivered in the recipient's native protocol

Environment Variables

Variable Required Default Description
ARCXS_API_KEY For writes — API key from arcxs.net/dashboard
ARCXS_API_BASE No https://arcxs.net/api/v1 API base URL

Supported Protocols

ARCXS translates between all 6 protocols — 30 cross-protocol paths, all verified:

MCP A2A x402 MPP AP2 OpenClaw
MCP — ✓ ✓ ✓ ✓ ✓
A2A ✓ — ✓ ✓ ✓ ✓
x402 ✓ ✓ — ✓ ✓ ✓
MPP ✓ ✓ ✓ — ✓ ✓
AP2 ✓ ✓ ✓ ✓ — ✓
OpenClaw ✓ ✓ ✓ ✓ ✓ —

Pricing

  • Discovery: Free — always, no API key required
  • Ephemeral registration: Free — 30-day TTL
  • Permanent registration: $20/year or $2/month
  • Payment routing: 0.1% transparent fee
  • This MCP server: Free and open source

Links

Philosophy

Built like the internet protocols that lasted 40+ years. Simple. Neutral. Fair. Never publicly held. Never extractive.

Copyright 2025-2026 ARCXS Protocol. All rights reserved.

README mirrored from the source repository 4 months ago. The original is authoritative.

Questions

About io.github.ARCXS-Protocol/mcp-server

How do I install io.github.ARCXS-Protocol/mcp-server?

Run claude mcp add io-github-arcxs-protocol-mcp-server -- npx -y @arcxs-protocol/mcp-server, then add the server to your MCP client's configuration. Conduid has recorded 0 installs, so the command is known to work with current clients.

Is io.github.ARCXS-Protocol/mcp-server safe to use with an AI agent?

Its trust score is 37 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is io.github.ARCXS-Protocol/mcp-server still maintained?

Conduid hasn't recorded a commit date for this repository yet. Check the repository directly for recent activity.