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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Data access / search

FCC License Search

Search FCC radio licenses by company, call sign, or FRN; monitor status changes and snapshots.

Checks passed
11 / 22

3 failed · 8 not measured

Median response
94 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
7

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
220
Publisher identityCan the publisher be traced to its source?
312

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 94 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-06-18, serverInfo.name FCC License Search API.

  • Pass
    Lists tools

    tools/list returned 7 tools.

  • Pass
    Current protocol

    Negotiated 2025-06-18. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 94 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 94 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Fail
    Parameters documented

    0 of 15 parameters have a description (0%). The bar is 80%.

  • Fail
    Safety hints

    7 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Fail
    Website matches publisher

    The website host does not match the reverse-domain namespace.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-08-28T10:15:51.006352Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using FCC License Search

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http fcc-license-search https://fcc-license-search.krimskrams.xyz/mcp

Capabilities

Tools 7

fcc_changes

Find FCC radio licence status changes since a date, filtered by frn, callsign, or service. Receive JSON records with usi, callsign, old_status, new_status, observed_date, and source_file. The since period is at most 31 days.

Discovered
fcc_company

Company enrichment: return the radio-licence footprint for a named company. The data contains FCC radio licences only. Receive matched licensee entities, every matching licence up to the selected limit, licence dates and status, summary counts for all matches, the soonest upcoming expiry, store coverage, and FCC source provenance for every block as JSON.

Discovered
fcc_coverage

Read the current FCC ULS data coverage and provenance.

Discovered
fcc_search

Look up FCC radio licences with q as a company or licensee name, call sign, or FRN. Optional service, status, and limit inputs filter the results. Receive up to 20 JSON records with callsign, licensee_name, frn, service, status, grant_date, expired_date, and cancellation_date.

Discovered
fcc_snapshot

Download one FCC radio licence snapshot by slice_id from /v1/snapshots. Receive as_of, row_count, source, licence, and all rows with company name, call sign, FRN, service, status, grant, expiry, and cancellation dates as JSON.

Discovered
fcc_snapshots

List the free FCC ULS snapshot catalog.

Discovered
fcc_stats

Read free FCC ULS data statistics and ingest freshness.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected94 ms7