io.github.beepboop2025/groundcheck

up checked 2026-11-11T10:37:36.321Z

Unclaimed · Unverified

Publisher-provided description

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

Summary by lookupd

Fact-checks claims against live sources, extracts atomic claims, resolves security identifiers to FIGI, and verifies x402 delivery receipts.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http groundcheck https://groundcheck.seiche.info/mcp

Claude Code, npm package (stdio)

claude mcp add groundcheck -- npx -y groundcheck-mcp

Codex, remote (streamable-http)

codex mcp add groundcheck --url https://groundcheck.seiche.info/mcp

Codex, npm package (stdio)

codex mcp add groundcheck -- npx -y groundcheck-mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "groundcheck": {
      "url": "https://groundcheck.seiche.info/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "groundcheck": {
      "command": "npx",
      "args": [
        "-y",
        "groundcheck-mcp"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

verify_claim PURPOSE: Fact-check one claim against live retrieved sources and return a result you can GATE A DECISION ON, not just read. Returns verdict (supported | refuted
check_citations PURPOSE: Fact-check EVERY factual claim in a block of text and return a per-claim report — the batch form of verify_claim, for AI-generated drafts or documents
resolve_instrument PURPOSE: Resolve a security identifier (ticker, ISIN, CUSIP, SEDOL, FIGI) or an instrument name to canonical FIGI records via Bloomberg open symbology (OpenFIGI
extract_claims PURPOSE: Split text into independently checkable ATOMIC factual claims — the cheap first step of a verification loop (extract -> ground -> attest). Returns {cla
attest_delivery PURPOSE: Neutral delivery verification for agentic commerce. You (or your principal) paid some OTHER service over x402 and got a response; this tool verifies wh

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/io.github.beepboop2025/groundcheck.svg)](https://lookupd.com/servers/io.github.beepboop2025/groundcheck)