{"uid":"cap_wdN5H8T_TIIEqXrTkgp5A","slug":"netzhandwerker-claim-checker-b9af0f76","name":"Netzhandwerker Claim Checker","description":"x402-Werkzeuge für autonome Agenten.","url":"https://tools.netzhandwerker.de/v1/claim/check","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"claim":{"type":"string","maxLength":600,"description":"Die zu pruefende Behauptung"},"sources":{"type":"array","items":{"type":"string"},"maxItems":8,"description":"Bis zu acht Quell-URLs"}}},"responseSchema":{"type":"json","example":{"note":"Belegsuche in den genannten Quellen, keine Bewertung des Wahrheitsgehalts.","claim":"Die Weltbank erwartet fuer 2026 ein globales Wachstum von 2,7 Prozent.","sources":[{"url":"https://www.worldbank.org/en/publication/global-economic-prospects","title":"Global Economic Prospects","status":200,"matches":2,"reachable":true,"text_chars":48219,"content_type":"text/html","sentences_scanned":312}],"verdict":"in_quelle_belegt","evidence":[{"quote":"Global 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https://www.destatis.de/EN/Themes/Labour/Labour-Market/ and https://www.bundesagentur-fuer-arbeit.de"},{"title":"Research assistant verifying cited figures","prompt":"Before I publish my report, can you check if the claim 'Renewable energy accounted for 46% of EU electricity in 2024' is supported by these sources: https://www.eurostat.ec.europa.eu/statistics-explained/index.php/Renewable_energy_statistics and https://www.iea.org/reports/renewables-2024?"}],"resultDescription":"Returns a JSON object with a verdict ('in_quelle_belegt' or similar), an array of evidence quotes with direction (supporting or contradicting), confidence score (0-1), matched terms, count of supporting vs contradicting evidence, and per-source metadata including reachability, HTTP status, character count, and sentences scanned.","failureModes":["Source URL unreachable or returns non-200 status — source marked as not reachable with no evidence extracted","Claim contains no recognizable key terms — low confidence 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