io.github.kant19801201behax5/phoenix-mcp-server

Phoenix Zero — L2 Health Oracle

Pre-flight L2 health check using kernel-level eBPF telemetry. PASS/DEGRADED/FAIL verdict.

alive probed 2026-10-14

1tools

501tokens in Claude Opus 5.5

516tokens in Claude Code

0.3 %of a 200k context window

282o200k_base estimate

242 msto initialize

6 msto list tools

Run it: npx -y phoenix-mcp-server@1.0.1 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: phoenix-zero 1.0.0
Capabilities: tools
Instructions: none
Claude count: Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
Repository: https://github.com/kant19801201behax5/x402-health-oracle
Registry: active, updated 2026-09-07 · registry entry
Reachable: 1 of the last 1 probe

Most expensive tools

Tool	Tokens (o200k)	Share of this server
preflight_network_health	282	100 %

Badge and feed

[![mcpcost](https://mcpcost.ulehla.dev/badge/io.github.kant19801201behax5/phoenix-mcp-server.svg)](https://mcpcost.ulehla.dev/s/io.github.kant19801201behax5/phoenix-mcp-server)

An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.