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Oeradio MCP Server

by achildrenmile Your server? Claim it
answering

Oeradio MCP is answering right now. Last checked 1 min ago. It exposes 17 tools. Last commit 2 Sep 2026.

Amateur radio MCP server with band plans, EIRP, cable loss, antenna gains, and more

Uptime history 51 days of history · worst day 41%
51 days agonow
97.8%
Uptime 24h
90 of 92 checks
17
Tools
read from the server
254 ms
Response time
average over 24h
0
Stars
last commit 2 Sep 2026

What the code does

We read the source, 23 h ago · tools taken from the live server · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command src/tools/callsign/parser/extract.ts:169
  const text = execSync(`pdftotext -layout "${pdfPath}" -`, { encoding: 'utf-8' });

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.

run in your terminal
claude mcp add oeradio-mcp --transport http https://oeradio-mcp.oeradio.at/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "oeradio-mcp": {
      "url": "https://oeradio-mcp.oeradio.at/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.oeradio-mcp]
url = "https://oeradio-mcp.oeradio.at/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "oeradio-mcp": {
      "url": "https://oeradio-mcp.oeradio.at/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "oeradio-mcp": {
      "url": "https://oeradio-mcp.oeradio.at/mcp"
    }
  }
}

Available tools 17

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

calculate
calculate_battery_runtime
Berechnet die Akkulaufzeit basierend auf Kapazität und durchschnittlichem Stromverbrauch. Berücksichtigt Effizienz und Entladetiefe.
calculate_cable_loss
Berechnet die Kabeldämpfung für verschiedene Koaxialkabeltypen bei einer bestimmten Frequenz und Länge
calculate_eirp
Berechnet EIRP (Equivalent Isotropically Radiated Power) aus Sendeleistung, Kabelverlust und Antennengewinn. Nützlich für Sicherheitsabstands-Berechnungen nach ÖNORM.
calculate_swr_loss
Berechnet den Leistungsverlust durch Fehlanpassung (SWR/VSWR)
calculate_wavelength
Berechnet die Wellenlänge für eine gegebene Frequenz und optional Drahtlängen für Antennen
callsign
callsign_available
Prüft ob ein Suffix in Österreich verfügbar ist. Zeigt in welchen Bundesländern das Rufzeichen frei oder belegt ist.
callsign_database_info
Zeigt Informationen über die Rufzeichen-Datenbank (Version, Anzahl Einträge, Statistiken)
callsign_lookup
Sucht ein österreichisches Amateurfunkrufzeichen und gibt Inhaberinformationen zurück. Primäre Quelle: offizielle fb.gv.at Liste, mit Fallback auf QRZ.com und HamQTH.
callsign_suggest
Generiert Wunschrufzeichen-Vorschläge basierend auf Namen und Präferenzen. Berücksichtigt Verfügbarkeit, Phonetik und CW-Freundlichkeit.
callsign_validate
Validiert ein Rufzeichen gegen österreichische Regeln. Prüft Format, Bezirk und Suffix-Länge.
all
list_all_bands
Listet alle verfügbaren Amateurfunkbänder mit Grundinformationen auf
antenna
get_antenna_gain
Gibt typische Gewinnwerte für verschiedene Antennentypen zurück
band
get_band_plan
Gibt Frequenzgrenzen, erlaubte Modes und maximale Sendeleistung für ein Amateurfunkband zurück (IARU Region 1 / Österreich)
compare
compare_cables
Vergleicht alle verfügbaren Kabeltypen bei einer bestimmten Frequenz und Länge
convert
convert_power
Rechnet Leistungswerte zwischen Watt, dBm und dBW um
frequency
check_frequency
Prüft ob eine Frequenz im Amateurfunk erlaubt ist und gibt das zugehörige Band zurück
oeradio
list_oeradio_tools
Listet alle verfügbaren OERadio.at Amateurfunk-Werkzeuge mit URLs und Beschreibungen

Endpoints

URLTransportStateLatencyChecked
https://oeradio-mcp.oeradio.at/mcp streamable-http answering 219 ms 1 min ago

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Oeradio MCP — questions

Answers built from our own checks of this server.

What can Oeradio MCP do?
It exposes 17 tools, read directly from the server on our last check. Among them: calculate_battery_runtime, calculate_cable_loss, calculate_eirp, calculate_swr_loss, calculate_wavelength, callsign_available and 11 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
What is Oeradio MCP mostly used for?
Its tools cluster around callsign and calculate. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is Oeradio MCP working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 90 of 92 checks got a reply (97.8%), average response time 254 ms. The bar chart above shows every period we have measured.
How do I connect Oeradio MCP?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Oeradio MCP need an API key?
No. Oeradio MCP completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 17 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Oeradio MCP?
It answers our handshake in 254 ms on average, which is faster than 60% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Oeradio MCP open source?
Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.