| What it does | Free technical tools for website diagnostics
| An epistemic state engine that tracks what each character knows, and how they learned it
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Open source
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| Pricing | Not given
| AGPL-3.0-only open source license. Commercial license available for closed-source products, services and hosted APIs. Free Play Exception covers free games, mods, interactive fiction and tabletop tools (excluding games with price, in-game purchases, ads, paid content or early access).
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| Key features | - DNS record queries across four public resolvers
- SSL certificate chain validation with expiry dates
- WHOIS and RDAP domain lookups
- IP WHOIS lookups for network information
- Core Web Vitals and speed testing
- Uptime and reachability checks from multiple regions
- Redirect chain tracing
- Raw data transcripts for verification
- WordPress theme and plugin detection
- Domain name generator with availability checking
| - Tracks what each character knows and how they learned it
- Prevents AI models from leaking story information or twists
- Records confirmed history that is never deleted
- Single portable .umw file for entire world state
- Works across TypeScript, .NET, CLI and any language via JSON protocol
- Query from any character's point of view at any moment in time
- Performance of 55-65 microseconds per query with half a million holdings
- Free Play Exception for non-commercial games and tabletop tools
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| What makes it different | - Every result shows raw data and working so users can verify findings themselves
- No signup, no email gates, no trials required
- Measurements are real live lookups, never estimates or guesses
- Affiliate commissions only on findings, never on page loads or passing results
- Dense, specific documentation written for developers and technical users
| - Separates world state from character knowledge to prevent narrative leakage
- Guarantees written down with conformance testing across all clients
- Idempotent writes ensure consistency across retries
- Works without AI or can control what AI models are allowed to know
- Open source with commercial licensing option for closed-source products
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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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) | 5 | 4 |
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| Citation Flow (Majestic) | 7 | 12 |
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| Referring domains (Majestic) | 3 | 1 |
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Umwelt