verify_claim
Checks a factual claim against fresh web search evidence and returns supporting and conflicting sources with a conservative verdict.
When an agent should call it
Requires Tavily Search API key; if unconfigured, a provider-unavailable error returns before any payment is requested. No model knowledge is used as evidence. Pair with extract_structured to pull exact values from the cited source.
Input: Factual claim, freshness window, optional preferred domains
Price: $0.02 USDC per call, paid in USDC via x402 on Base.
MCP connection: one-time setup, then call verify_claim on each needed workflow.
Direct HTTP resource: https://mcp.dropenginehq.com/api/verify-claim
Example input
{
"claim": "Base is an Ethereum layer 2 blockchain.",
"freshness_days": 365
}Each call requests payment for this tool only. The agent receives a structured result and decides what to do next. Check the limits above before acting on risk, market, freshness, or availability results.
MCP endpoint: https://mcp.dropenginehq.com/api/agent-services