Arcxs Protocol MCP Server

by arcxs-protocolio.github.ARCXS-Protocol/mcp-serverv1.0.3

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

0Node.jsstdioofficial registry

context tax

queued

security

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cold start

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freshness

Slowing4mo ago

Install Arcxs Protocol MCP server

claude mcp add arcxs-protocol -- npx -y @arcxs-protocol/mcp-server

{
  "mcpServers": {
    "arcxs-protocol": {
      "command": "npx",
      "args": [
        "-y",
        "@arcxs-protocol/mcp-server"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "arcxs-protocol": {
      "command": "npx",
      "args": [
        "-y",
        "@arcxs-protocol/mcp-server"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "arcxs-protocol": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@arcxs-protocol/mcp-server"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "arcxs-protocol": {
      "command": "npx",
      "args": [
        "-y",
        "@arcxs-protocol/mcp-server"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
ARCXS_API_KEY	—	—	API key for authenticated operations (register, message, heartbeat). Get one free at https://arcxs.net/dashboard. Not required for search, lookup, or health checks.
ARCXS_BASE_URL	—	—	Base URL for the ARCXS API. Defaults to https://arcxs.net

Freshness

Slowing — last maintenance signal 4mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-06-06 · 4mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-06-06 · 4mo ago · official registry · v1.0.3

FAQ

›How do I install the Arcxs Protocol MCP server in Claude Code?

Run: claude mcp add arcxs-protocol -- npx -y @arcxs-protocol/mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Arcxs Protocol require an API key?

No required environment variables are declared in its published metadata.

›Can I use Arcxs Protocol as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Arcxs Protocol in the official MCP registry?

Yes, as io.github.ARCXS-Protocol/mcp-server.