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Servers by qso-graph

Scanned where there is a package or repository to read, and every release diffed against the tool surface we already hold. Every figure on a card is counted from this marketplace's own rows.

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Verified publishers only Has a free tier No local install needed Answers through mcprush Tools declared Only what I saved Already in one of my lists

Pricing model

Free4

Runtime

Local (stdio)4

Auth

No auth4

4 MCP servers

Scanned where there is a package or repository to read — the grade is on each server's page

Learning & DocumentationWorks with Windsurf (legacy)By qso-graph

Qrz

qso-graph·Learning & Documentation

QRZ.com MCP server. Callsign lookup, DXCC resolution, logbook queries via QRZ XML API.

26/day 6 tools

Free

Ionis

qso-graph·Learning & Documentation

HF propagation analytics. 175M WSPR/RBN signatures, band openings, solar correlation.

11/day 12 tools

Free

Adif

qso-graph·Learning & Documentation

ADIF 3.1.7 spec engine for amateur radio logs: validation, parsing, enumerations, geospatial.

4/day 8 tools

Free

Iota

qso-graph·Learning & Documentation

Islands on the Air MCP server. Group lookup, island search, DXCC mapping, nearby groups.

3/day 7 tools

Free

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