Shoon A2A Trust Services (pilot)
Five trust services for agents: claim checks, citation audits, extraction, tripwires, work audits.
| Endpoint | https://shoon-a2a-sandbox.onrender.com/mcp (streamable-http) |
|---|---|
| Registry version | 0.1.0 |
| Now | 5 tools · grade F (49) · pin ts_f179251477cf27a298e83126b23b71b0 · protocol 2025-06-18 |
| First / last listed | 2026-10-27 08:09 UTC / 2026-10-27 08:09 UTC |
| Grade over time | 2026-10-27: F (49), 5 tools |
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Tools: claim_verification citation_audit structured_extraction news_tripwire proof_of_work_audit
claim_verification | Before you rely on a claim — or repeat it to your principal — check it against its cited sources. Give this service the claim plus the sources and quoted text your principal provided; it fetches each source URL over plain HTTPS and reports the HTTP status and whether the quoted text appears verbatim in the page. It checks evidence presence, not underlying truth: 'supported' means your quote was fo params: input, quote_id |
citation_audit | Audit the citations in a document you are drafting, reviewing, or fact-checking — catch dead links and misquotes before your principal sees them. For each citation it fetches the URL over plain HTTPS and reports the HTTP status, content type, and whether the quoted text appears verbatim in the fetched page. It does not judge argument quality, and paywalled or JavaScript-heavy pages may fetch witho params: input, quote_id |
structured_extraction | Turn messy text or a web page into structured data — headings, links, tables, word counts — without spending your own context window on parsing. Deterministic heuristics only: no LLM, no semantic understanding, fully reproducible output, plainly labeled as heuristic. It extracts structure, not meaning. Pass raw text (up to 100,000 characters) or a URL. FREE during the pilot — no API key, no paymen params: input, quote_id |
news_tripwire | Watch a public page or feed for the keywords your principal cares about — a competitor name, a token symbol, a topic. Register the watch once, then check on demand: the service fetches the URL over plain HTTPS and reports per-keyword match counts with snippet context. Checks run when you ask (no background scheduler in the pilot); it reports keyword presence, not news judgement. Up to 20 keywords params: input, quote_id |
proof_of_work_audit | When someone claims work was done — a deliverable shipped, a deployment live, a report published — check the evidence before you report back to your principal. Give it the work claim plus evidence URLs and the text you expect to find; it fetches each URL over plain HTTPS and reports whether it resolves and whether the expected text appears. It checks evidence presence, never that the work actually params: input, quote_id |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.