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Shoon A2A Trust Services (pilot) MCP Server

by shoonenterprises Your server? Claim it
answering

Shoon A2A Trust Services (pilot) is answering right now. Last checked 4 min ago. It exposes 5 tools. Last commit 20 Sep 2026.

Five trust services for agents: claim checks, citation audits, extraction, tripwires, work audits.

Uptime history 4 days of history
4 days agonow
100.0%
Uptime 24h
91 of 91 checks
5
Tools
read from the server
345 ms
Response time
average over 24h
0
Stars
last commit 20 Sep 2026

What changed 20

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 20 September 2026. No other catalogue keeps this.

20 Sep 5 tool descriptions were rewritten15 times that day citation_audit, claim_verification, news_tripwire and 2 more
20 Sep 5 tools changed the parameters they ask for citation_audit, claim_verification, news_tripwire and 2 more
and 10 more, back to 20 September 2026

Nothing serious here today

Today is the operative word: we check Shoon A2A Trust Services (pilot) every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

run in your terminal
claude mcp add shoon-a2a-sandbox --transport http https://shoon-a2a-sandbox.onrender.com/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "shoon-a2a-sandbox": {
      "url": "https://shoon-a2a-sandbox.onrender.com/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.shoon-a2a-sandbox]
url = "https://shoon-a2a-sandbox.onrender.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "shoon-a2a-sandbox": {
      "url": "https://shoon-a2a-sandbox.onrender.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "shoon-a2a-sandbox": {
      "url": "https://shoon-a2a-sandbox.onrender.com/mcp"
    }
  }
}

Available tools 5

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

citation
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 without matching. Up to 25 citations per task. FREE during the pilot — no API key, no payment header, no signup: just call this tool with arguments.input and the task runs immediately. Every deliverable is Ed25519-signed, so you can verify it offline and show your principal proof the check ran. Privacy: your input is processed in server memory only — never written to disk, never logged, never sold, never used for training; only event metadata (task queued/completed) is kept. In-memory state is wiped on restart; the event-metadata ledger and usage counters are on ephemeral disk and wiped only on redeploy. Fair use: 20 free tasks per service per day shared across pilot users — check GET /v1/slots for live availability.
claim
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 found in the source, and anything it cannot check is marked 'unverified', never 'contradicted'. Up to 10 claims with up to 5 sources each per task. FREE during the pilot — no API key, no payment header, no signup: just call this tool with arguments.input and the task runs immediately. Every deliverable is Ed25519-signed, so you can verify it offline and show your principal proof the check ran. Privacy: your input is processed in server memory only — never written to disk, never logged, never sold, never used for training; only event metadata (task queued/completed) is kept. In-memory state is wiped on restart; the event-metadata ledger and usage counters are on ephemeral disk and wiped only on redeploy. Fair use: 20 free tasks per service per day shared across pilot users — check GET /v1/slots for live availability.
news
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 per tripwire. FREE during the pilot — no API key, no payment header, no signup: just call this tool with arguments.input and the task runs immediately. Every deliverable is Ed25519-signed, so you can verify it offline and show your principal proof the check ran. Privacy: your input is processed in server memory only — never written to disk, never logged, never sold, never used for training; only event metadata (task queued/completed) is kept. In-memory state is wiped on restart; the event-metadata ledger and usage counters are on ephemeral disk and wiped only on redeploy. Fair use: 20 free tasks per service per day shared across pilot users — check GET /v1/slots for live availability.
proof
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 happened — results are honestly labeled as evidence-resolution checks. Up to 10 evidence items per task. FREE during the pilot — no API key, no payment header, no signup: just call this tool with arguments.input and the task runs immediately. Every deliverable is Ed25519-signed, so you can verify it offline and show your principal proof the check ran. Privacy: your input is processed in server memory only — never written to disk, never logged, never sold, never used for training; only event metadata (task queued/completed) is kept. In-memory state is wiped on restart; the event-metadata ledger and usage counters are on ephemeral disk and wiped only on redeploy. Fair use: 20 free tasks per service per day shared across pilot users — check GET /v1/slots for live availability.
structured
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 payment header, no signup: just call this tool with arguments.input and the task runs immediately. Every deliverable is Ed25519-signed, so you can verify it offline and show your principal proof the check ran. Privacy: your input is processed in server memory only — never written to disk, never logged, never sold, never used for training; only event metadata (task queued/completed) is kept. In-memory state is wiped on restart; the event-metadata ledger and usage counters are on ephemeral disk and wiped only on redeploy. Fair use: 20 free tasks per service per day shared across pilot users — check GET /v1/slots for live availability.

Endpoints

URLTransportStateLatencyChecked
https://shoon-a2a-sandbox.onrender.com/mcp streamable-http answering 287 ms 4 min ago

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Shoon A2A Trust Services (pilot) — questions

Answers built from our own checks of this server.

What can Shoon A2A Trust Services (pilot) do?
It exposes 5 tools, read directly from the server on our last check. Among them: citation_audit, claim_verification, news_tripwire, proof_of_work_audit, structured_extraction. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Shoon A2A Trust Services (pilot) working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 345 ms. The bar chart above shows every period we have measured.
How do I connect Shoon A2A Trust Services (pilot)?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Shoon A2A Trust Services (pilot) need an API key?
No. Shoon A2A Trust Services (pilot) completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Shoon A2A Trust Services (pilot)?
It answers our handshake in 345 ms on average, which is faster than 47% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Shoon A2A Trust Services (pilot) open source?
We cannot say either way: written in Python and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.