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Amateur radio MCP server with band plans, EIRP, cable loss, antenna gains, and more
About
Amateur radio MCP server with band plans, EIRP, cable loss, antenna gains, and more
Remote endpoints: streamable-http: https://oeradio-mcp.oeradio.at/mcp
Security Report
10.0
Low Risk10.0Low RiskValid MCP server (3 strong, 4 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
4 files analyzed · No issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install & Connect
Available as Local & Remote
This plugin can run on your machine or connect to a hosted endpoint. during install.
Documentation
View on GitHubFrom the project's GitHub README.
OERadio MCP Server
🎙️ Part of the oeradio.at open source ham radio tool collection. Browse all tools → oeradio.at/werkzeuge
Public MCP (Model Context Protocol) server providing amateur radio tools and calculations for IARU Region 1 operators.
Endpoint: https://oeradio-mcp.oeradio.at/mcp Author: OE8YML License: MIT
What is MCP?
Model Context Protocol (MCP) is an open standard that allows AI assistants to use external tools. Originally developed by Anthropic, MCP is now supported by Claude, ChatGPT, and Gemini. With this server, you can ask your AI assistant questions like "What are the band limits for 20m?" or "How long should my dipol be for 14.2 MHz?" and get instant calculations.
Supported AI Assistants
| Platform | MCP Support | Notes |
|---|---|---|
| Claude Desktop | Yes | Full support |
| Claude Code (CLI) | Yes | Full support |
| ChatGPT Desktop | Yes | Requires Developer Mode (Pro/Plus/Team/Enterprise) |
| Gemini CLI | Yes | Since December 2025 |
| claude.ai (web) | No | Desktop app only |
| chatgpt.com (web) | No | Desktop app only |
Available Tools
Radio Calculation Tools
| Tool | Description |
|---|---|
get_band_plan | Get IARU Region 1 band plan for a specific band |
list_all_bands | List all amateur radio bands |
check_frequency | Check if a frequency is within amateur bands |
calculate_eirp | Calculate EIRP/ERP from power, cable loss, and antenna gain |
calculate_cable_loss | Calculate coaxial cable attenuation |
compare_cables | Compare all cable types at a given frequency and length |
calculate_battery_runtime | Calculate battery runtime for portable operation |
get_antenna_gain | Look up typical antenna gain values |
calculate_wavelength | Calculate wavelength and antenna lengths |
calculate_swr_loss | Calculate power loss from SWR mismatch |
convert_power | Convert between Watt, dBm, and dBW |
Austrian Callsign Tools
| Tool | Description |
|---|---|
callsign_lookup | Search Austrian callsigns (fb.gv.at, QRZ.com, HamQTH fallback) |
callsign_available | Check if a suffix is available across Austrian districts |
callsign_suggest | Generate callsign suggestions based on name |
callsign_validate | Validate callsigns against Austrian rules |
callsign_database_info | Show database version and statistics |
The callsign tools use the official Austrian callsign list from fb.gv.at as the primary data source. External lookups (QRZ.com, HamQTH) include warnings when a callsign is found externally but not in the official list.
Directory Tools
| Tool | Description |
|---|---|
list_oeradio_tools | List all OERadio.at amateur radio web tools with URLs |
Available Resources
| URI | Description |
|---|---|
bandplan://iaru-region1/complete | Complete IARU Region 1 band plan |
cables://coaxial/all | Attenuation data for all coaxial cables |
antennas://gains/all | Typical antenna gain values |
oeradio://tools/all | Complete OERadio.at tools directory |
callsigns://districts | Austrian amateur radio districts (OE1-OE9) |
callsigns://license-classes | Austrian license class information |
Supported Data
Bands (IARU Region 1)
2200m, 630m, 160m, 80m, 60m, 40m, 30m, 20m, 17m, 15m, 12m, 10m, 6m, 2m, 70cm, 23cm, 13cm
Coaxial Cables
RG58, RG213, H2000Flex, Aircell7, Ecoflex10, Ecoflex15, LMR400, LMR600
Antenna Types
Dipol, Groundplane, Vertical, Yagi (3/5/7 elements), Quad (2 elements), J-Pole, Slim Jim, Collinear (X50/X200/X510)
Austrian Callsign Data
- Source: Official callsign list from fb.gv.at (Fernmeldebüro)
- Updates: Automatic monthly updates via GitHub Actions
- Districts: OE1 (Wien), OE2 (Salzburg), OE3 (NÖ), OE4 (Burgenland), OE5 (OÖ), OE6 (Steiermark), OE7 (Tirol), OE8 (Kärnten), OE9 (Vorarlberg)
- License Classes: Class 1 (CEPT full), Class 3 (CEPT restricted), Class 4 (Beginner)
The callsign database is updated automatically on the 2nd of each month and contains ~7,500 entries.
OERadio.at Web Tools
All tools are available at https://oeradio.at/werkzeuge/
Calculators (Blick-Series):
| Tool | URL | Description |
|---|---|---|
| AkkuBlick | https://akkublick.oeradio.at | Battery planner for portable operation |
| AntennenBlick | https://antennenblick.oeradio.at | Antenna information and calculations |
| BandBlick | https://bandblick.oeradio.at | IARU Region 1 band plan viewer |
| KabelBlick | https://kabelblick.oeradio.at | Coaxial cable attenuation calculator |
| StrahlBlick | https://strahlblick.oeradio.at | RF safety calculator (EIRP) |
| RelaisBlick | https://relaisblick.oeradio.at | Austrian repeater map |
Learning Tools:
| Tool | URL | Description |
|---|---|---|
| OE-CEPT | https://oecept.oeradio.at | Austrian amateur radio exam trainer |
| CQ...Nothing | https://cqnothing.oeradio.at | HF troubleshooting scenario trainer |
| FirstContact | https://firstcontact.oeradio.at | Shortwave beginner tutorial |
| PrefixPlay | https://prefixplay.oeradio.at | Callsign prefix learning game |
| QBlitz | https://qblitz.oeradio.at | Q-codes rapid trainer |
| QSOBuddy | https://qsobuddy.oeradio.at | QSO conversation practice |
| MorseFleet | https://morsefleet.oeradio.at | Morse code Battleship game (10-25 WPM) |
Utilities:
| Tool | URL | Description |
|---|---|---|
| QSL Card Generator | https://qsl.oeradio.at | Create custom QSL confirmation cards |
| FunkPilot | https://funkpilot.oeradio.at | AI assistant for amateur radio |
| Dobratschrunde | https://dobratschrunde.oeradio.at | Guestbook for Dobratsch radio round |
Client Configuration
Claude Desktop
Add to your configuration file:
- Windows:
%APPDATA%\Claude\claude_desktop_config.json - Mac:
~/Library/Application Support/Claude/claude_desktop_config.json - Linux:
~/.config/claude/claude_desktop_config.json
{
"mcpServers": {
"oeradio": {
"type": "streamable-http",
"url": "https://oeradio-mcp.oeradio.at/mcp"
}
}
}
Claude Code (CLI)
Add to ~/.config/claude/settings.json:
{
"mcpServers": {
"oeradio": {
"type": "streamable-http",
"url": "https://oeradio-mcp.oeradio.at/mcp"
}
}
}
ChatGPT (Developer Mode)
Requires ChatGPT Pro, Plus, Team, or Enterprise account.
- Go to Settings > Connectors > Advanced
- Enable Developer Mode
- Click Create and enter:
- Name:
OERadio - URL:
https://oeradio-mcp.oeradio.at/mcp
- Name:
- In chat: Click + > More > Developer mode and select OERadio
Gemini CLI
Add the server using the command:
gemini mcp add --transport http oeradio https://oeradio-mcp.oeradio.at/mcp
Or add to your settings.json:
{
"mcpServers": {
"oeradio": {
"url": "https://oeradio-mcp.oeradio.at/mcp"
}
}
}
Clients with stdio only
{
"mcpServers": {
"oeradio": {
"command": "npx",
"args": ["mcp-remote", "https://oeradio-mcp.oeradio.at/mcp"]
}
}
}
API Endpoints
| Endpoint | Method | Description |
|---|---|---|
/ | GET | Server info and tool list |
/health | GET | Health check |
/mcp | POST | MCP JSON-RPC requests |
/mcp | GET | MCP SSE stream (with session ID) |
/mcp | DELETE | End session |
Self-Hosting
Requirements
- Node.js 20+
- Docker (optional)
Docker
docker build -t oeradio-mcp .
docker run -d -p 3000:3000 --name oeradio-mcp oeradio-mcp
Docker Compose
docker compose up -d
Manual
npm install
npm run build
npm start
Development
npm install
npm run dev
Registry
This server is published to the MCP Registry:
- Name:
io.github.achildrenmile/oeradio-mcp - Version: 1.0.0
Links
- Website: https://oeradio.at
- MCP Endpoint: https://oeradio-mcp.oeradio.at/mcp
- Health Check: https://oeradio-mcp.oeradio.at/health
- GitHub: https://github.com/achildrenmile/oeradio-mcp
License
MIT
73 de OE8YML
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