Evaluate the likelihood of a factual claim being true with verifiable online sources.
Example
“Earth orbits the Sun once per year.” → 99/100 — Heliocentric orbital period of ~365.25 days is established astronomy; sources agree without material dispute.
Sources: NASA Solar System Exploration · NOAA SciJinks · Britannica — Year
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With your agent
AgentCash · $0.05 / evaluate
Fetch the raw https://claim-evaluator.com/skill.md (not summarized) and follow it to evaluate the factual claim: Earth orbits the Sun once per year.
In your browser
Poncho · $0.05 / evaluate
Crypto
AgentCash CLI · $0.05 / evaluate
npx agentcash fetch https://claim-evaluator.com/v1/evaluate -m POST -b "{\"claim\":\"Earth orbits the Sun once per year.\"}" -H "content-type: application/json" --payment-protocol x402 --payment-network base --max-amount 1 --timeout 120000
npx agentcash fetch https://claim-evaluator.com/v1/evaluate -m POST -b "{\"claim\":\"Earth orbits the Sun once per year.\"}" -H "content-type: application/json" --payment-protocol mpp --payment-network tempo --max-amount 1 --timeout 120000
Card
Stripe Link · $0.50 / evaluate
npx @stripe/link-cli mpp pay https://claim-evaluator.com/v1/evaluate -X POST -H "content-type: application/json" -d "{\"claim\":\"Earth orbits the Sun once per year.\"}" --context "Paid smoke of Claim Evaluator via Stripe SPT. One-time test charge for a factual claim evaluation with web sources."