io.github.qso-graph/hamqth-mcp

hamqth-mcp

Is the io.github.qso-graph/hamqth-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.

HamQTH.com MCP server. Free callsign lookup, DX spots, RBN data, SAVP verification.

alive probed 2026-11-14 · unchanged since 2026-10-29

8tools

1.9ktokens in Claude Opus 5.5

1.0 %of Claude's 200k window

0.8×the median server

9.5 sto initialize

680 msto list tools

Run it: uvx hamqth-mcp@0.7.1 (stdio, probed in a container with the network off)
Host: pypi.org
Reports itself as: hamqth-mcp 0.7.1
Capabilities: logging, prompts, resources, tools
Instructions: 195 characters
Of a 1M window: 0.2 % of a 1M context window
Count: 1.9k tokens in Claude Opus 5.5, exact, measured 2026-10-16. 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/qso-graph/hamqth-mcp
Registry: active, updated 2026-10-29 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.74×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
hamqth_rbn	472	271	24 %
hamqth_dx_spots	345	198	18 %
hamqth_verify_qso	314	180	16 %
hamqth_lookup	211	121	11 %
get_version_info	178	102	9 %

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

Servers that mention verification or callsign.

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

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.