Shoon A2A Trust Services (pilot) MCP server
Five trust services for agents: claim checks, citation audits, extraction, tripwires, work audits.
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If you have run it, two minutes of your experience saves the next person an afternoon.
Shoon A2A Trust Services (pilot) tools (5)
write = sends, deletes, buys or postscitation_auditFreeAudit citations in a document: for each citation the sandbox 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 or check paywalled content. Sandbox: free during the testing phase, testnet semantics, deliverables Ed25519-signed.
claim_verificationFreeCheck factual claims against their cited sources. For each claim the sandbox fetches each provided source URL over plain HTTPS and reports the HTTP status and whether the quoted text appears in the page. It does NOT browse the open web or perform independent research; anything it cannot check is marked 'unverified — sandbox stub'. Sandbox: free during the testing phase, testnet semantics, deliverables Ed25519-signed.
news_tripwireFreeWatch a public URL (e.g. an RSS/Atom feed or a news page) for keywords. Register a tripwire, then trigger a check: the sandbox fetches the URL over plain HTTPS and reports whether each keyword appears, with match counts and snippet context. In the sandbox, checks run on demand via the check action (no background scheduler yet); recurring schedules arrive in Phase 1. Sandbox: free during the testing phase, testnet semantics, deliverables Ed25519-signed.
proof_of_work_auditFreeAudit a claim that work was performed. The sandbox fetches each evidence URL over plain HTTPS and reports whether the evidence resolves and whether the claimed artifact text appears. It CANNOT independently verify that work happened — results are honestly labeled as evidence-resolution checks, never as verified work. Sandbox: free during the testing phase, testnet semantics, deliverables Ed25519-signed.
structured_extractionFreeTurn messy text (or a fetched page) into structured data using deterministic heuristics: headings, links, tables and key statistics. This is NOT an LLM extraction — no semantic understanding is claimed. Output is plainly labeled heuristic. Sandbox: free during the testing phase, testnet semantics, deliverables Ed25519-signed.
Public scan report
scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 871ms20/20
- Tool poisoning5 tool descriptions checked15/15
- Auth qualityAPI key sent as a header8/15
- Maintenancelast push 0 days ago15/15
- Maintainer identityregistry namespace matches repository owner6/10
Install directly
claude mcp add --transport http shoon-a2a-sandbox https://shoon-a2a-sandbox.onrender.com/mcp
Shoon A2A Trust Services (pilot): common questions
- Is Shoon A2A Trust Services (pilot) MCP server safe?
- Yes, by our scan: it is graded A (85/100). Read the Shoon A2A Trust Services (pilot) safety report
- How do I install Shoon A2A Trust Services (pilot)?
- It runs remotely at shoon-a2a-sandbox.onrender.com. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Shoon A2A Trust Services (pilot) need an API key?
- Yes. The registry entry asks for
X-API-KEY. - Is Shoon A2A Trust Services (pilot) maintained?
- The last commit was in the last day (2026-09-19). The latest release is v0.1.0.
- Is Shoon A2A Trust Services (pilot) up?
- 100% of our last 5 checks got an answer. We check remote servers about four times a day.