{"name":"verity-mcp","version":"1.2.0","tools":[{"name":"verity_verify","description":"Verify a claim, URL, or statement against multiple live sources: web search (Tavily), AI synthesis (Perplexity), Wikipedia, and academic papers (Semantic Scholar). Returns CURRENT/OUTDATED/DISPUTED/UNVERIFIABLE verdict, confidence 0–100, sources with credibility tiers, and what has changed. 0.10 USDC per call. Supports agent-to-agent trust workflows — verify another agent's stated capabilities or track record before task delegation. Use this to detect AI hallucinations, misinformation, and outdated facts before publishing.","inputSchema":{"type":"object","properties":{"claim":{"type":"string","description":"The claim, URL, or content to verify. E.g. 'Is GPT-4 still the most capable AI model?' or 'https://example.com/article'"},"caller_id":{"type":"string","description":"Optional stable ID to activate persistent memory across calls."}},"required":["claim"]}},{"name":"verity_deep_check","description":"Thorough multi-angle verification using all available sources: Perplexity sonar-pro, Wikipedia, Semantic Scholar academic papers, and advanced Tavily search. Cross-references 5+ independent angles. Returns highest-confidence verdicts for high-stakes fact-checks. 0.50 USDC per call.","inputSchema":{"type":"object","properties":{"claim":{"type":"string","description":"The claim to deeply verify. E.g. 'Did the 2024 US election results change after court challenges?'"},"caller_id":{"type":"string","description":"Optional stable ID for persistent memory."}},"required":["claim"]}},{"name":"verity_batch","description":"Verify up to 10 claims in one call. Returns an array of verdicts. Use for content audits and fact-check pipelines. 0.75 USDC for the batch.","inputSchema":{"type":"object","properties":{"claims":{"type":"array","items":{"type":"string"},"description":"Array of claims to verify. Max 10."},"caller_id":{"type":"string","description":"Optional stable ID for persistent memory."}},"required":["claims"]}},{"name":"verity_agent","description":"Natural language fact-checking. Ask anything: 'Is this still true?', 'When was this last updated?', 'Check this URL'. VERITY selects the right strategy automatically. 0.10 USDC per call.","inputSchema":{"type":"object","properties":{"query":{"type":"string","description":"Natural language fact-check request. E.g. 'Is Elon Musk still the richest person in the world?'"},"caller_id":{"type":"string","description":"Optional stable ID for persistent memory."}},"required":["query"]}}]}