{
  "markdown": "# VERITY — Real-Time Fact-Checking Agent\n\n[![Smithery Badge](https://smithery.ai/badge/clawdio777/verity)](https://smithery.ai/servers/clawdio777/verity)\n\nReal-time fact-checking and data freshness agent. Verifies claims, URLs, and content against live web sources. Returns structured verdicts with confidence scores, what has changed, and supporting sources.\n\n## Verdicts\n\n| Verdict | Meaning |\n|---|---|\n| `CURRENT` | Claim is accurate and up to date |\n| `OUTDATED` | Claim was true but has since been superseded |\n| `DISPUTED` | Sources disagree — no clear consensus |\n| `UNVERIFIABLE` | No usable sources found |\n\n## MCP Setup (Claude Desktop / Cursor)\n\n```json\n{\n  \"mcpServers\": {\n    \"verity\": {\n      \"command\": \"npx\",\n      \"args\": [\"verity-mcp\"],\n      \"env\": {\n        \"VERITY_PRIVATE_KEY\": \"0x...\"\n      }\n    }\n  }\n}\n```\n\nGet USDC on Base at [coinbase.com/wallet](https://coinbase.com/wallet).\n\n## Tools\n\n| Tool | Description | Price |\n|---|---|---|\n| `verity_verify` | Verify a claim or URL against live sources | 0.10 USDC |\n| `verity_deep_check` | Multi-angle thorough verification | 0.50 USDC |\n| `verity_batch` | Verify up to 10 claims at once | 0.75 USDC |\n| `verity_agent` | Natural language fact-checking | 0.10 USDC |\n\n## API\n\n```\nPOST https://verity.basechainlabs.com/api/verify\nAuthorization: x402 (USDC on Base)\n```\n\n```json\n{\n  \"claim\": \"Is GPT-4 still the most capable OpenAI model?\",\n  \"caller_id\": \"my-agent-id\"\n}\n```\n\nResponse:\n```json\n{\n  \"verdict\": \"OUTDATED\",\n  \"confidence\": 91,\n  \"summary\": \"GPT-4 has been superseded by GPT-4o and o3.\",\n  \"what_changed\": \"OpenAI released GPT-4o (May 2024) and o3 (late 2024).\",\n  \"sources\": [{ \"url\": \"...\", \"title\": \"...\", \"published_date\": \"2025-01\", \"supports\": \"CONTRADICTS\" }],\n  \"checked_at\": \"2026-05-11T09:00:00Z\",\n  \"recommendation\": \"Update any content referencing GPT-4 as the most capable model.\"\n}\n```\n\n## Persistent Memory\n\nPass a consistent `caller_id` on every call. VERITY remembers topics you've checked, domains you monitor, and previous results — no re-sending context.\n\n## A2A Agent Card\n\n```\nGET https://verity.basechainlabs.com/api/agent?agent-card=true\n```\n\nBuilt by [BaseChain Labs](https://basechainlabs.com)\n",
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  "repo_slug": "clawdio777/verity",
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  "api": "https://agentalog.com/api/listings/mcp_io_github_clawdio777_verity_64b90674/readme"
}