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Operate WSJT-X (FT8/FT4/WSPR) from MCP clients over its UDP message protocol.
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Operate WSJT-X (FT8/FT4/WSPR) from MCP clients over its UDP message protocol.
Security Report
10.0
Low Risk10.0Low RiskValid MCP server (1 strong, 3 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry. Trust signals: trusted author (4/4 approved).
5 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
What You'll Need
Set these up before or after installing:
Operator callsign — the single transmit gate. Blank = receive-only (refuses all transmit-initiating messages).
Environment variable: WSJTX_CALLSIGN
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.
Environment variable: WSJTX_HOST
WSJT-X Settings → Reporting → UDP Server port. Default 2237. Enable 'Accept UDP requests' for control.
Environment variable: WSJTX_PORT
Optional multicast group to join so multiple UDP consumers can coexist. Blank = unicast.
Environment variable: WSJTX_MULTICAST
Optional WSJT-X instance Id to target when several broadcast here.
Environment variable: WSJTX_INSTANCE
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-sbrunner-atx-wsjtx-mcp": {
"env": {
"WSJTX_HOST": "your-wsjtx-host-here",
"WSJTX_PORT": "your-wsjtx-port-here",
"WSJTX_CALLSIGN": "your-wsjtx-callsign-here",
"WSJTX_INSTANCE": "your-wsjtx-instance-here",
"WSJTX_MULTICAST": "your-wsjtx-multicast-here"
},
"args": [
"wsjtx-mcp"
],
"command": "uvx"
}
}
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