fcc-spectrum-mcp-server is answering right now. Last checked 14 min ago. 565 installs a week from npm. It exposes 5 tools. Last commit 26 Oct 2026.
Search FCC radio licenses, find nearby licensed sites, and see who is licensed on a frequency.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 13 October 2026. No other catalogue keeps this.
We read the source, 6 d ago · tools taken from the live server · rules 995398eba69f
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.
const child = spawn(command, [...args, JSON.stringify(spec)], {
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
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.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.
claude mcp add fcc-spectrum-mcp-server --transport http https://fcc-spectrum.caseyjhand.com/mcp
https://fcc-spectrum.caseyjhand.com/mcp
[mcp_servers.fcc-spectrum-mcp-server]
url = "https://fcc-spectrum.caseyjhand.com/mcp"
{
"mcpServers": {
"fcc-spectrum-mcp-server": {
"url": "https://fcc-spectrum.caseyjhand.com/mcp"
}
}
}
{
"servers": {
"fcc-spectrum-mcp-server": {
"type": "http",
"url": "https://fcc-spectrum.caseyjhand.com/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
fcc_spectrum_find_transmitters
fcc_spectrum_get_license
fcc_spectrum_list_reference
fcc_spectrum_search_frequencies
fcc_spectrum_search_licenses
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://fcc-spectrum.caseyjhand.com/mcp | streamable-http | answering | 526 ms | 14 min ago |
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Answers built from our own checks of this server.