Groundcheck MCP server

Groundcheck is an MCP server with 5 tools an agent can call, among them attest_delivery, check_citations, extract_claims. It answers at https://groundcheck.seiche.info/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 11 September 2026; the last check, on 21 October 2026, succeeded.

Status

Answering

Tools

Reliability

6 of 6 checks

Response time

62 ms

Transport

streamable HTTP

Last checked

21 October 2026

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

Description as the publisher wrote it.

The 5 tools Groundcheck offers

Tool	What it does
`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 what was delivered and returns a SIGNED, offline-verifiable delivery receipt bindi Inputs: service, response_text, request_text, payment_receipt, advertised_schema, max_claims
`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 before you publish or act on them. GUIDELINES: Call on any multi-claim text you Inputs: text, max_claims
`extract_claims`	PURPOSE: Split text into independently checkable ATOMIC factual claims — the cheap first step of a verification loop (extract -> ground -> attest). Returns {claims: [...], count, input_sha256} plus a signed receipt bound to the input hash. Inputs: text, max_claims
`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), WITH provenance and a signed receipt. Returns {matched, instruments: [...], p Inputs: query, id_type, max_results
`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 \| unverified), sufficiency, a conformal guarantee, per-part atoms, and a signed Inputs: claim, max_sources

Add Groundcheck to your AI client

Every block below points at https://groundcheck.seiche.info/mcp. Pick your client and copy.

Claude Code: one command in your terminal

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

Claude Desktop: claude_desktop_config.json

{
  "mcpServers": {
    "groundcheck": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://groundcheck.seiche.info/mcp"]
    }
  }
}

Cursor: ~/.cursor/mcp.json, or .cursor/mcp.json in a project

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

VS Code and GitHub Copilot: .vscode/mcp.json

{
  "servers": {
    "groundcheck": {
      "type": "http",
      "url": "https://groundcheck.seiche.info/mcp"
    }
  }
}

Zed: Zed settings.json

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

Windsurf: ~/.codeium/mcp_config.json

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

JetBrains AI Assistant: Settings, Tools, AI Assistant, MCP, New MCP Server, as JSON

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

Continue: .continue/mcpServers/neuronto.yaml

name: Groundcheck
version: 0.0.1
schema: v1
mcpServers:
  - name: Groundcheck
    type: streamable-http
    url: https://groundcheck.seiche.info/mcp

Gemini CLI: ~/.gemini/settings.json

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

Codex CLI: MCP server config

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

Warp: MCP servers, + Add, paste JSON

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

Goose: a one-click extension link

goose://extension?url=https%3A%2F%2Fgroundcheck.seiche.info%2Fmcp&type=streamable_http&id=groundcheck&name=Groundcheck

Is Groundcheck up right now?

It answered our last check on 21 October 2026 in 62 ms. Over 6 checks since 11 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.

MCP servers similar to Groundcheck

io.github.FieldmodeLLC/scrapecheck3 tools Teppi4 tools Agent Verified Relay7 tools TrustBench3 tools io.github.CHANGCHINFU/mcp-gauge5 tools CN Evidence3 tools

Questions about Groundcheck

How many tools does Groundcheck have?

5, as returned by the server's own tools/list on 13 September 2026: attest_delivery, check_citations, extract_claims, resolve_instrument, verify_claim.

Is Groundcheck down?

It answered our last check on 21 October 2026 in 62 ms. Over 6 checks since 11 September 2026 it answered 6.

How do I add Groundcheck to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://groundcheck.seiche.info/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does Groundcheck need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: io.github.beepboop2025. Endpoint host: groundcheck.seiche.info. ARD identifier: urn:air:io.github.beepboop2025:mcp:groundcheck. First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.

Is this your server? Get a message the day it stops answering or its tools change: monitoring, 14 days free. Or claim the domain to manage how it is listed.