← The evidence ledger
Evidence row 2712474
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint bbbfbb4a-efeb-494c-af21-ac29de6e1d98
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9e42dedb4125cb5d6c7cd9065f4e5602b2d639e5aac18472e4a9847c4b2c756e
- Leaf
- 0x7e7d597dc5c968b962d64b19885a0e7c26cfeca1bca1f28251080bbdbf6270cd
What was observed
{
"count": 8,
"tools": [
{
"description": "Search ClinicalTrials.gov (official v2 API) by keyword, condition, intervention, sponsor or location. Returns NCT id, title, status, phases, enrollment, conditions, interventions, sponsor, dates and countries. Free: 25 calls/day per IP. Paid: $0.005 per call via x402 at https://2-29-135-242.sslip.io/x402/clinical-trials.",
"inputSchema": {
"properties": {
"condition": {
"description": "Condition, e.g. diabetes",
"type": "string"
},
"intervention": {
"description": "Drug or intervention, e.g. semaglutide",
"type": "string"
},
"location": {
"description": "Location, e.g. Germany",
"type": "string"
},
"maxItems": {
"default": 20,
"description": "Max results (1-50)",
"maximum": 50,
"minimum": 1,
"type": "integer"
},
"query": {
"description": "Free-text search",
"type": "string"
},
"sponsor": {
"description": "Sponsor, e.g. Pfizer",
"type": "string"
},
"status": {
"description": "Overall status",
"enum": [
"RECRUITING",
"NOT_YET_RECRUITING",
"ACTIVE_NOT_RECRUITING",
"COMPLETED",
"TERMINATED"
],
"type": "string"
}
},
"type": "object"
},
"name": "clinical_trials"
},
{
"description": "One call for a domain: RDAP registration (registrar, created, expires, status, nameservers, DNSSEC) from the official IANA RDAP servers, live DNS (A, AAAA, MX, NS, TXT, CAA, SPF, DMARC) and the TLS certificate (issuer, expiry, days left, SANs). Free: 25 calls/day per IP. Paid: $0.005 per call via x402 at https://2-29-135-242.sslip.io/x402/domain-intel.",
"inputSchema": {
"properties": {
"domain": {
"description": "Domain name, e.g. example.com",
"type": "string"
},
"tls": {
"default": true,
"description": "Also check the TLS certificate on port 443",
"type": "boolean"
}
},
"type": "object"
},
"name": "domain_intel"
},
{
"description": "Email deliverability and spoofing check for a domain in one call: MX + mail provider, SPF (all qualifier, DNS lookup count vs the limit of 10), DMARC policy/pct/reporting, DKIM keys on 20+ common selectors (or yours), MTA-STS, TLS-RPT and BIMI, with a 0-100 score, grade and plain-English issues. Live DNS, ~1 s. Free: 25 calls/day per IP. Paid: $0.002 per call via x402 at https://2-29-135-242.sslip.io/x402/email-auth.",
"inputSchema": {
"properties": {
"dkimSelectors": {
"description": "Extra DKIM selectors to check, comma separated, e.g. s2048,mailchimp",
"type": "string"
},
"domain": {
"description": "Domain or email address, e.g. example.com or info@example.com",
"type": "string"
}
},
"type": "object"
},
"name": "email_auth"
},
{
"description": "Search the official US Federal Register: final rules, proposed rules, notices and presidential documents with abstract, agencies, publication date and links. Filter by keyword, type, agency and date. Free: 25 calls/day per IP. Paid: $0.005 per call via x402 at https://2-29-135-242.sslip.io/x402/federal-register.",
"inputSchema": {
"properties": {
"agency": {
"description": "Agency slug, e.g. environmental-protection-agency",
"type": "string"
},
"maxItems": {
"default": 20,
"description": "Max results (1-50)",
"maximum": 50,
"minimum": 1,
"type": "integer"
},
"order": {
"default": "newest",
"description": "newest or relevance",
"enum": [
"newest",
"relevance",
"oldest"
],
"type": "string"
},
"query": {
"description": "Keywords, e.g. artificial intelligence",
"type": "string"
},
"since": {
"description": "Published on or after (YYYY-MM-DD)",
"type": "string"
},
"type": {
"description": "RULE, PRORULE, NOTICE or PRESDOCU",
"enum": [
"RULE",
"PRORULE",
"NOTICE",
"PRESDOCU"
],
"type": "string"
}
},
"type": "object"
},
"name": "federal_register"
},
{
"description": "Search 250M+ scholarly works (journals, preprints, conferences, books) from OpenAlex, with Crossref fallback: title, authors, year, venue, DOI, citation count, open-access PDF link and abstract. Filter by year, open access only, sort by relevance, citations or newest. ~1-2 s. Free: 25 calls/day per IP. Paid: $0.004 per call via x402 at https://2-29-135-242.sslip.io/x402/literature-search.",
"inputSchema": {
"properties": {
"fromYear": {
"description": "Published in or after this year",
"maximum": 2100,
"minimum": 1800,
"type": "integer"
},
"maxItems": {
"default": 10,
"description": "Max results (1-50)",
"maximum": 50,
"minimum": 1,
"type": "integer"
},
"openAccessOnly": {
"default": false,
"description": "Only works with a free full text (OpenAlex)",
"type": "boolean"
},
"query": {
"description": "Topic or keywords, e.g. large language models radiology",
"type": "string"
},
"sort": {
"default": "relevance",
"description": "relevance, citations or newest",
"enum": [
"relevance",
"citations",
"newest"
],
"type": "string"
},
"source": {
"default": "openalex",
"description": "openalex (default, falls back to crossref) or crossref",
"enum": [
"openalex",
"crossref"
],
"type": "string"
},
"toYear": {
"description": "Published in or before this year",
"maximum": 2100,
"minimum": 1800,
"type": "integer"
}
},
"type": "object"
},
"name": "literature_search"
},
{
"description": "Known vulnerabilities for an open-source package version from OSV.dev (GitHub advisories, PyPI, npm, Go, Maven, crates.io...): id, CVE aliases, summary, severity, fixed versions and references. Free: 25 calls/day per IP. Paid: $0.002 per call via x402 at https://2-29-135-242.sslip.io/x402/osv-vulns.",
"inputSchema": {
"properties": {
"ecosystem": {
"description": "npm, PyPI, Go, Maven, crates.io, RubyGems, NuGet",
"type": "string"
},
"maxItems": {
"default": 50,
"description": "Max results",
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"package": {
"description": "Package name, e.g. lodash",
"type": "string"
},
"purl": {
"description": "Or a package URL, e.g. pkg:npm/lodash@4.17.15",
"type": "string"
},
"version": {
"description": "Version, e.g. 4.17.15 (empty = all known)",
"type": "string"
}
},
"type": "object"
},
"name": "osv_vulns"
},
{
"description": "Search open prediction markets on Polymarket and Kalshi in one call: event, market, outcome prices (implied probability 0-1), volume, liquidity/open interest, end date and link. Sorted by volume. Free: 25 calls/day per IP. Paid: $0.005 per call via x402 at https://2-29-135-242.sslip.io/x402/prediction-markets.",
"inputSchema": {
"properties": {
"maxItems": {
"default": 20,
"description": "Max results (1-50)",
"maximum": 50,
"minimum": 1,
"type": "integer"
},
"query": {
"description": "Topic, e.g. bitcoin, fed rate, election",
"type": "string"
},
"source": {
"default": "all",
"description": "all, polymarket or kalshi",
"enum": [
"all",
"polymarket",
"kalshi"
],
"type": "string"
}
},
"type": "object"
},
"name": "prediction_markets"
},
{
"description": "Fetch any public web page and return its main content as clean Markdown (or plain text) with title, author, date and language. Boilerplate (menus, cookie banners, footers) removed. Respects robots.txt. ~1-3 s. Free: 25 calls/day per IP. Paid: $0.002 per call via x402 at https://2-29-135-242.sslip.io/x402/web-read.",
"inputSchema": {
"properties": {
"format": {
"default": "markdown",
"description": "markdown or text",
"enum": [
"markdown",
"text"
],
"type": "string"
},
"maxChars": {
"default": 50000,
"description": "Cut the content after this many characters",
"maximum": 200000,
"minimum": 500,
"type": "integer"
},
"url": {
"description": "Page URL (https://...)",
"type": "string"
}
},
"type": "object"
},
"name": "web_read"
}
]
}What the leaf hashes
{"body":"9e42dedb4125cb5d6c7cd9065f4e5602b2d639e5aac18472e4a9847c4b2c756e","id":2712474,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793739350181436,"prev":null,"subject":"bbbfbb4a-efeb-494c-af21-ac29de6e1d98","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x7e7d75de9524a565c3fee9fd1968a49de21bab80801d21dddb28d35f23ba9876
- 0xe7cfef00b821acc12c362c46c2a669b1affc353dc01717d67f55362cf7c3ca9d
- 0xb080ac9a41828e0efdacf94602e4986de0dacec7f17ad899b7005e258d2e88f9
- 0xae32eb6c5298a3685cf6502bf05f8831113ba9c96b3b644f1e380ea26006f7a8
- 0x8be696337ec61dc69e38dc250054e34164ffa7fcff66d62c08d6edbdb4a3d11c
- 0xe4a58f44dc992f2a1a2861b3cd427bba6bbfd52c6fb97d75f68cc60257c92038
- 0x2e1e6412164bad11122dd0b450c9f02c274b390486e0e5b1a62c8391a8bfae46
- 0x606aa3e22fd61d6aae49b53ee6d1f9184bc03fc3fd76af3842aa5eda155012c2
- 0x77842af711fa087d58bdd3aa75310dc48c60db44ad72a5a2efa0c290823409f4
- 0x4aa754e5eff1846e4eab9fdb5c8abdc792c431362c47ee00b8f54f34e9d6e357
- 0x9f54fd0b64694af5fd15fbdeb617edaac44c3dcd250a9fb75f0f5decc63fde2f
- 0x930eab3f039c2992e8821910301a1630ca2633c67e5c9e31c301963fd4e0bc33
- 0xaf97729427bcb69cea84940a4617a9276209a9bb29e6047d69c9fa290978dcad
- 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
- 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7