io.github.ARCXS-Protocol/mcp-server
arcxs
Is the io.github.ARCXS-Protocol/mcp-server MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
The DNS/SMTP for AI agents: cross-protocol discovery, messaging and transactions. No middleman fees.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y @arcxs-protocol/mcp-server@1.0.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- arcxs 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 2.0k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 2.1k. The o200k_base estimate is 1.1k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/ARCXS-Protocol/arcxs-mcp-server
- Registry
- active, updated 2026-06-06 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| arcxs_register | 514 | 287 | 26 % |
| arcxs_send_message | 333 | 186 | 17 % |
| arcxs_search | 319 | 178 | 16 % |
| arcxs_translate | 263 | 147 | 13 % |
| arcxs_heartbeat | 156 | 87 | 8 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- Nofax io.github.AKzar1el/nofax · alive
- io.github.ANHQ280/myinvois-mcp · alive
- Agent Mandate Verification io.github.API-Disk-Integrations/agent-mandate · alive
- Claude KVM io.github.ARAS-Workspace/claude-kvm · alive
- Darkmoon io.github.ASCIT31/darkmoon-mcp-server · alive
- ASG Card io.github.ASGCompute/asgcard-mcp-server · crashed on start
- Pitroom io.github.ATASTECH/pitroom · alive
- CoS Codex Bridge io.github.AV-Labs-Co/cos-codex-bridge · needs env
Servers that mention transactions or discovery.
- ai.adoraads/beauty · alive
- Dubai Data — Dubai real estate statistics ae.datadubai/dubai-real-estate · alive
- AFMR Discovery ai.afmr/discovery · alive
- China Marketing AI Intelligence MCP ai.chinamarketing/intelligence · needs auth
- Creator SKILL v2 — Influencer Discovery ai.deinai/creator-skill-v2 · needs auth
- Creator SKILL — Influencer Discovery ai.deinai/creator-skill · needs auth
- Demand Discovery AI ai.demanddiscovery/mcp · alive
- Dynt ai.dynt.api/dynt · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.