Arcxs Mcp Server — independently scanned and version-tracked by SaferSkills.
SaferSkills independently audited Arcxs Mcp Server (Agent Skill) and scored it 100/100 (green). The audit ran 55 deterministic rules across Security, Supply Chain, Maintenance, Transparency, and Community; it found 0 high-severity and 0 lower-severity findings. The full rule-by-rule trace and per-finding evidence are below. Free, methodology-open.
Findings & checks · 0 flagged
Every scanned point with the score it earned and what moved between them.
First recorded scan — no prior version to compare against.
The primary manifest — the file an agent reads to learn what this artifact does.
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.
Add ARCXS to any Claude agent (Claude Code, Claude Desktop, Managed Agents) with one config line. Your agent instantly gets:
Add to your MCP config (~/.claude/mcp.json or claude_desktop_config.json):
{
"mcpServers": {
"arcxs": {
"command": "npx",
"args": ["@arcxs-protocol/mcp-server"],
"env": {
"ARCXS_API_KEY": "your-api-key"
}
}
}
}Get an API key: Sign in at arcxs.net/dashboard with GitHub.
{
"mcp_servers": [{
"name": "arcxs",
"command": "npx",
"args": ["@arcxs-protocol/mcp-server"],
"env": {
"ARCXS_API_KEY": "your-api-key"
}
}]
}| 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 |
Note — the API key is read at startup.ARCXS_API_KEYis read from the environment when the server boots. If you obtain a key mid-session (e.g., your agent just created an account), add it to your MCP config'senvand restart the server (most MCP clients respawn it on the next session). A future release will also accept the key as an optional tool parameter.
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
| 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 |
ARCXS translates between all 6 protocols — 30 cross-protocol paths, all verified:
| MCP | A2A | x402 | MPP | AP2 | OpenClaw | |
|---|---|---|---|---|---|---|
| MCP | — | ✓ | ✓ | ✓ | ✓ | ✓ |
| A2A | ✓ | — | ✓ | ✓ | ✓ | ✓ |
| x402 | ✓ | ✓ | — | ✓ | ✓ | ✓ |
| MPP | ✓ | ✓ | ✓ | — | ✓ | ✓ |
| AP2 | ✓ | ✓ | ✓ | ✓ | — | ✓ |
| OpenClaw | ✓ | ✓ | ✓ | ✓ | ✓ | — |
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.
~30 seconds. Free. No account. Every finding cites a rule and a line of evidence.