Fldigi MCP Server
by sbrunner-atxio.github.sbrunner-atx/fldigi-mcpv0.3.1
Control fldigi (amateur-radio digital modes) over XML-RPC: modem, frequency, rig, log, transmit.
context tax
queued
security
queued
cold start
queued
freshness
Active11d ago
Install Fldigi MCP server
Install in Claude Code
claude mcp add fldigi -- uvx fldigi-mcpInstall in Cursor
{
"mcpServers": {
"fldigi": {
"command": "uvx",
"args": [
"fldigi-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"fldigi": {
"command": "uvx",
"args": [
"fldigi-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"fldigi": {
"type": "stdio",
"command": "uvx",
"args": [
"fldigi-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"fldigi": {
"command": "uvx",
"args": [
"fldigi-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| FLDIGI_CALLSIGN | — | — | Operator callsign. Required to enable transmit; leave blank to stay receive-only. |
| FLDIGI_HOST | — | — | fldigi XML-RPC host. |
| FLDIGI_PORT | — | — | fldigi XML-RPC port. |
| FLDIGI_BAND_GUIDANCE | — | — | Enable experimental advisory band guidance (on/off). |
| FLDIGI_REGION | — | — | IARU region for band guidance: 1, 2, or 3. |
Freshness
Active — last maintenance signal 11d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-29 · 11d ago · GitHub
Latest release
2026-09-16 · 24d ago · GitHub · v0.4.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-15 · 25d ago · official registry · v0.3.1
FAQ
›How do I install the Fldigi MCP server in Claude Code?
Run: claude mcp add fldigi -- uvx fldigi-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Fldigi require an API key?
No required environment variables are declared in its published metadata.
›Can I use Fldigi as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Fldigi in the official MCP registry?
Yes, as io.github.sbrunner-atx/fldigi-mcp.