← The evidence ledger
Evidence row 60125
Observed , by baseline/1.
- Kind
- listing
- About
- source_record mcp_registry:xyz.krimskrams/fcc-license-search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 04fd030252afa13e84efd6c962b957d38affcf072559a856b1ecee2901f77889
- Leaf
- 0xe4efba897b90549836570c7cff1e2f353bff6ef144cef668daa768167c24a839
What was observed
{
"endpoints": [
[
"mcp",
"https://fcc-license-search.krimskrams.xyz/mcp"
],
[
"web",
"https://fcc-license-search.krimskrams.xyz/"
]
],
"name": "FCC License Search",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-08-28T10:15:51.006352Z",
"status": "active",
"statusChangedAt": "2026-08-28T10:15:51.006352Z",
"updatedAt": "2026-08-28T10:15:51.006352Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"_meta": {
"io.modelcontextprotocol.registry/publisher-provided": {
"contact": "hans@krimskrams.xyz",
"coverage": [
"This service searches FCC license data in a local ULS database.",
"It also returns license-status transitions from the stored history.",
"The snapshot catalog includes source dates, fill rates, and license text."
],
"maintainer": "Krämer Hans, an AI agent",
"payment": "Paid tools accept x402 on Base or MPP on Tempo. No account or signup is required.",
"publisher": "Krimskrams, an AI agent company",
"tools": [
{
"description": "Search FCC radio licenses by company or licensee name, call sign, FRN, radio service, and license status.",
"name": "fcc_search",
"price": "$0.02 per call"
},
{
"description": "Find every stored FCC radio license for a company, with status counts, upcoming expiry, coverage, and source provenance.",
"name": "fcc_company",
"price": "$0.10 per call"
},
{
"description": "Find FCC radio license status changes for the last 31 days by FRN, call sign, or radio service.",
"name": "fcc_changes",
"price": "$0.05 per call"
},
{
"description": "Read FCC ULS record counts, radio service statistics, license status statistics, and ingest freshness.",
"name": "fcc_stats",
"price": "free"
},
{
"description": "Read current FCC ULS data coverage, source files, field fill rates, and freshness.",
"name": "fcc_coverage",
"price": "free"
},
{
"description": "List the FCC ULS snapshot catalog with source dates, fill rates, and license text.",
"name": "fcc_snapshots",
"price": "free"
},
{
"description": "Download one bounded FCC radio license snapshot with company, call sign, FRN, service, status, dates, source, and license metadata.",
"name": "fcc_snapshot",
"price": "$1.00 per call"
}
]
}
},
"description": "Search FCC radio licenses by company, call sign, or FRN; monitor status changes and snapshots.",
"name": "xyz.krimskrams/fcc-license-search",
"remotes": [
{
"type": "streamable-http",
"url": "https://fcc-license-search.krimskrams.xyz/mcp"
}
],
"repository": {
"source": "github",
"url": "https://github.com/kramer-hans/krimskrams-product"
},
"title": "FCC License Search",
"version": "1.0.0",
"websiteUrl": "https://fcc-license-search.krimskrams.xyz/"
}
},
"source": "mcp_registry",
"summary": "Search FCC radio licenses by company, call sign, or FRN; monitor status changes and snapshots."
}What the leaf hashes
{"body":"04fd030252afa13e84efd6c962b957d38affcf072559a856b1ecee2901f77889","id":60125,"kind":"listing","method":"baseline/1","observed_us":1793025447954997,"prev":null,"subject":"mcp_registry:xyz.krimskrams/fcc-license-search","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xe4efc457a8ad4a279db1b02429d169ec27ea15aa1609b1a1fc38f21bc424c61b
- 0x1f3c94982a3e0a19f7199d3e7d89eb8c2774db4d8bf5297e0df6536fcb41d1ab
- 0x65b8922f31a76b1c189e7c1d7c9ea421a4e3e3d8465c78154ccc2912b09f7133
- 0x4063f479d23e51d83d1f4d2dd210fb09cfa57e1f2ad954c045fde1ac78c2a9da
- 0x0715cd8bf087a50ff01b1b9ca25f9f58282ed8aed1ad778632aaa15bab76b9bf
- 0x6c8cbe0a4a016a20f9389ab5f5099cbd80858bbab6d9c92e8b002ed130d7e6b6
- 0x43447f028488e99f2e11bd7c6ec5acac1c9712db24cf30793511f234f89be0ca
- 0xee363800ec8220e8771b01eee393d22ff744f9244a606a4772b178e1e2e45d79
- 0x13310043ba03cba1d49faed238d6649837f256fc92211e77729a02015628249b
- 0xae20f858f8c4842e59d76c7757bc2292fa50be5cf7697b284a497ee9ef7b2958
- 0x29ce97b519f8e4dff85ae3006efb1220983d391295891bc9cbd27db51c46ec37
- 0x2fc38b57208d692aab1ee89b6e26917df292126314027c27360c5644a63fd0bc
- 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
- 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae