| What it does | Secure AI agents, with evidence
| 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 | GR
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| Pricing model | Freemium
| Freemium
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| Pricing | Community: €0 (open source, 1x monthly testing volume, weekly monitoring, 3 seats, 30-day data retention). Team: €349/mo (20x monthly testing volume, 10 seats, 90-day data retention, webhooks, priority support). Enterprise: Custom pricing (contact for details).
| 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 | - Automated adversarial testing with multi-turn and agentic attack chains
- Black-box testing without SDK installation or agent modification
- Four-tier Humanbound Firewall with LLM judge
- Continuous posture score from 0 to 100
- Framework mapping to EU AI Act, NIST AI RMF, OWASP LLM Top 10, OWASP Agentic AI Top 10
- Air-gapped testing with self-hosted models like Ollama
- Export compliance evidence in HTML, PDF, JSON, SARIF, CEF formats
- Webhook integration with SIEM and ticketing systems
- Apache-2.0 open source CLI, testing engine, and SDK
- Baseline campaign completion in hours
| - 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 | - Continuous monitoring instead of point-in-time reports
- Adaptive multi-turn attack chains that evolve over time
- Same open-source code as platform with nothing held back or limited
- No account required for local open-source testing
- Framework mapping and compliance evidence for regulatory requirements
| - 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) | 14 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 30 | 0 |
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| Referring domains (Majestic) | 71 | 0 |
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Humanbound
Curbi