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Wsjtx MCP Server

by sbrunner-atxio.github.sbrunner-atx/wsjtx-mcpv0.1.3

Operate WSJT-X (FT8/FT4/WSPR) from MCP clients over its UDP message protocol.

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security

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cold start

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freshness

Active23d ago

Install Wsjtx MCP server

Install in Claude Code

claude mcp add wsjtx -- uvx wsjtx-mcp

Configuration

VariableRequiredSecretDescription
WSJTX_CALLSIGN——Operator callsign — the single transmit gate. Blank = receive-only (refuses all transmit-initiating messages).
WSJTX_HOST——Address to bind/receive WSJT-X UDP broadcasts on. For a remote WSJT-X use 127.0.0.1 with the mcp-host-bridge 'wsjtx' service and set the port to 2238.
WSJTX_PORT——WSJT-X Settings → Reporting → UDP Server port. Default 2237. Enable 'Accept UDP requests' for control.
WSJTX_MULTICAST——Optional multicast group to join so multiple UDP consumers can coexist. Blank = unicast.
WSJTX_INSTANCE——Optional WSJT-X instance Id to target when several broadcast here.

Freshness

Active — last maintenance signal 23d ago. The newest of the signals below sets the band.

  1. Last commit (default branch)

    2026-09-16 · 23d ago · GitHub

  2. Latest release

    2026-09-09 · 30d ago · GitHub · v0.1.3

  3. Package published

    no data · npm/PyPI

  4. Registry entry updated

    2026-09-09 · 30d ago · official registry · v0.1.3

FAQ

›How do I install the Wsjtx MCP server in Claude Code?

Run: claude mcp add wsjtx -- uvx wsjtx-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Wsjtx require an API key?

No required environment variables are declared in its published metadata.

›Can I use Wsjtx as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Wsjtx in the official MCP registry?

Yes, as io.github.sbrunner-atx/wsjtx-mcp.