Groundcheck

by Groundchecklivefrom $0.005 /call

Claim grounding and citation verification MCP server for AI agents. Checks a stated claim against live sources and returns a verdict, confidence score, and citations. Installable via `claude mcp add groundcheck -- npx -y groundcheck-mcp`. Free trial endpoint; paid verification via x402.

TOOLS · 1

#TOOLDESCRIPTIONPRICE/CALL

01verifydocsVerify a claim against live sources — returns verdict, confidence, and citations.varies

Prices set by the provider and charged per successful call.

CONNECT

# Inspect the unpaid MCP/x402 requirement with a valid initialize request.
curl -i --request POST 'https://groundcheck.seiche.info' \
  --header 'Content-Type: application/json' \
  --header 'Accept: application/json, text/event-stream' \
  --data '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-03-26","capabilities":{},"clientInfo":{"name":"toll402-check","version":"1.0.0"}}}'

Keep EVM_PRIVATE_KEY server-side and use a narrowly funded wallet.official MCP + x402 guide ↗