← The evidence ledger
Evidence row 2044800
Observed , by sync.mcp_registry/1.
- Kind
- listing
- About
- source_record mcp_registry:app.usefulwork/useful-work
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ba71dc665e321180dd711a99f7c252c794746278354dc707fa356e6ebae84388
- Leaf
- 0x2c1abab373593cf2e7524114070f2d31931f623da0b99f10c45ad47b6a0b4653
What was observed
{
"endpoints": [
[
"web",
"https://usefulwork.app/builders"
],
[
"mcp",
"https://usefulwork.app/mcp"
]
],
"name": "Useful Work",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-11-02T02:38:51.69893Z",
"status": "active",
"statusChangedAt": "2026-11-02T02:38:51.69893Z",
"updatedAt": "2026-11-02T02:38:51.69893Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"description": "Find and fix mistakes on your live website: wording, broken links, slow pages, certificate, domain.",
"icons": [
{
"mimeType": "image/png",
"sizes": [
"512x512"
],
"src": "https://usefulwork.app/icon-512.png"
}
],
"name": "app.usefulwork/useful-work",
"remotes": [
{
"headers": [
{
"description": "Bearer followed by your Useful Work API key. Make one at https://usefulwork.app/app?page=connect",
"isRequired": true,
"isSecret": true,
"name": "Authorization",
"value": "Bearer {api_key}",
"variables": {
"api_key": {
"description": "Your Useful Work API key (uwk_…)",
"isRequired": true,
"isSecret": true
}
}
}
],
"type": "streamable-http",
"url": "https://usefulwork.app/mcp"
}
],
"repository": {
"source": "github",
"url": "https://github.com/dav3trad3r/useful-work-mcp"
},
"title": "Useful Work",
"version": "1.0.1",
"websiteUrl": "https://usefulwork.app/builders#mcp"
}
},
"source": "mcp_registry",
"summary": "Find and fix mistakes on your live website: wording, broken links, slow pages, certificate, domain."
}What the leaf hashes
{"body":"ba71dc665e321180dd711a99f7c252c794746278354dc707fa356e6ebae84388","id":2044800,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793589494525563,"prev":null,"subject":"mcp_registry:app.usefulwork/useful-work","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x2c1a42f96cfbb8d8fedb29a62863f8daa52f245239aa48805e8d805d06861b49
- 0x104a54b0321d14eb5c6b5e979a0c8a35fc548acc1f2d1ae6ba8f2fb16228ed00
- 0x28dc80548bcf20d3c418b4dc51044850328439e188edcb88751be9328b6224fc
- 0x007453b1f8b59a38b5397ee37ff1fbd0ba3b845376ca0e89d979ff8b24b82d8d
- 0x7c3c08e68784caa8729b70265128a2ac4c00f44ee4ea2f6da004ae20c8c90a1b
- 0x175bc3988a59296f29adcf0249c23a763a23fa7043d4de95ae830e24c81dae18
- 0x5d971548d612de27c1d49873ce4224a7c14c154aa9c2e6db5408365ce73ce699
- 0x1115b489e6ec22e57cfc51169fce79a2b062e642fb098960144dc5b6f7d300d6
- 0x1f8daca3ef1c79375fd738b599146d29dcf7a03fd30a40bc2044a149f447f414
- 0x0554e71e55f452a6a37fbf72f872a448e4eaff3025337e2d27dd5bb8b21cfebd
- 0x2bd69db067e141defea23a9fdb004b1bd6b05d176db7b580c856e30ca4cb1eba
- 0xb428466fde94278d2667279c042debfdb8e243ad01fd69fdb5ab640b257ec942
- 0xdb8f582c0e06dcc12f31eb42bfcf649e95cea3ce20a525db7917ecfd954357bb
- 0x037a66c2ea899586d58b52761f6b950a97cda22bb80294e40013ebea171a684f
- 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
- 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af