mcpcost

io.github.runningoffcode/wormhole-x402

Agent Wormhole

Is the Agent Wormhole MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.

Check tokens, pages and x402 payments before your agent trusts them. Offline verdicts.

alive probed 2026-11-14 · unchanged since 2026-10-31

5tools
2.0ktokens in Claude Opus 5.5
1.0 %of Claude's 200k window
0.8×the median server
74 msto initialize
4 msto list tools
Run it
npx -y wormhole-x402@0.8.0 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
wormhole-x402-mcp 0.8.0
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 1.3k. Counted again when the tool definitions change. Method.
Repository
https://github.com/runningoffcode/agent-wormhole
Website
https://agentwormhole.com
Registry
active, updated 2026-09-06 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.63×.

Tool≈ Claude tokenso200k estimateShare of this server
verify_payment62438331 %
verify_delivery42225921 %
check_before_use39924520 %
check_token39424219 %
scan_text20012310 %

Compare this server with others.

More servers

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention wormhole or payments or verdicts.

Badge for the README

mcpcost: alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Atom feed

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