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Shoon A2A Trust Services (pilot)

io.github.ShoonEnterprises/shoon-a2a-sandbox · v0.1.0

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

Connect Remote server

Terminal
claude mcp add --transport http shoon-a2a-sandbox https://shoon-a2a-sandbox.onrender.com/mcp --header "X-API-KEY: <X_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "shoon-a2a-sandbox": {
      "url": "https://shoon-a2a-sandbox.onrender.com/mcp",
      "headers": {
        "X-API-KEY": "<X_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "shoon-a2a-sandbox": {
      "type": "http",
      "url": "https://shoon-a2a-sandbox.onrender.com/mcp",
      "headers": {
        "X-API-KEY": "<X_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://shoon-a2a-sandbox.onrender.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 5 found in our last check

  • 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…

  • 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…

  • 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…

  • 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…

  • 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 rep…

Headers

NameDescription
X-API-KEY
Optional, secret
Pilot API key for the human-style flow (header). Omit when using the X-PAYMENT machine flow: quote first via POST /quote, then authorize the quote on POST /execute.

Details

Endpointhttps://shoon-a2a-sandbox.onrender.com/mcp (Streamable HTTP)
First published19 Sep 2026
Last updated19 Sep 2026
Registry nameio.github.ShoonEnterprises/shoon-a2a-sandbox

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