| What it does | Free AI detector with published error rates
| Check AI agent replies against configured rules and verify signed records
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| Stage | Not given
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| Founded | Not given
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| Based in | IT
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| Pricing model | Free
| Freemium
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| Pricing | No payment required. Free tier allows 10 certification requests per day per IP.
| Free: local open-source checker, browser policy checks, six read-only MCP tools, regression export and offline verification. Managed Check API: $1 per 1,000 checked replies, USD, monthly usage billing through Stripe.
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| Key features | - Calibrated probability scores with published error rates
- Inconclusive verdicts for borderline cases
- Minimum 150 word requirement
- Content Credentials (C2PA) file checking
- Document metadata analysis
- Free human-text certification with downloadable PDF badge
- No signup or account required
- Private processing with no data storage
| - Check agent replies against configured pricing, forbidden phrases, and action records
- Policy Check tool with browser interface for testing rules
- Model Context Protocol endpoint for Claude, ChatGPT and other MCP clients
- Offline verification with signed records and Merkle proofs
- Repair Lab for reproducing and fixing integration failures
- Managed Check API with pricing transparency
- MIT-licensed open-source local checker
- Framework connectors for LangChain and Vercel AI SDK
- MCP Chaos proxy for testing agent behavior
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| What makes it different | - Published error rates with raw counts and confidence intervals
- Designed to minimize false accusations rather than maximize detections
- Measures ESL (non-native English) writer accuracy separately
- Transparent verdicts: reports inconclusive when unsure instead of guessing
| - Verifiable AI agent compliance without authorization or permission granting
- Evidence and records portable across platforms and models
- Transparent per-reply pricing with clear usage examples
- Open-source core with portable verification
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 13 | 0 |
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| Referring domains (Majestic) | 1 | 0 |
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