| What it does | AI-powered forensic pricing intelligence to find hidden fees in contracts, invoices, and financial documents
| Check AI agent replies against configured rules and verify signed records
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| Stage | Startup
| Not given
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| Founded | 2025
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| Based in | Not given
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| Pricing model | Paid
| Freemium
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| Pricing | $15 one-time analysis, no subscription required
| 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 | - Hidden fee detection across contracts, invoices, estimates, bills, and financing documents
- Plain-language risk reports with negotiation leverage points
- Support for multiple document formats: PDF, image, Word, and text
- Secure encrypted document processing without AI training use
- Negotiation support with questions to ask providers
| - 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 | - Forensic pricing intelligence that goes beyond keyword scanning to understand how pricing systems function structurally
- One-time $15 analysis with no subscription or recurring charges
- Documents are not used for AI training, with secure encrypted processing
- Results delivered in minutes with plain-language explanations
- Identifies negotiation leverage points and specific questions to ask providers
| - 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) | 2 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 19 | 0 |
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| Referring domains (Majestic) | 13 | 0 |
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DetectHiddenFees
Curbi