Validate engineering, financial, and clinical decisions through conversation.
Claude collects the parameters. The oracle decides.
Deterministic verdicts where the model is sufficient.
Refusal when it is not.
The assistant gathers information. It does not issue the verdict.
SURVIVE · SURVIVE_WITH_WARNING · EXTINCT · INSUFFICIENT_INPUT · INSUFFICIENT_MODEL
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Parameter Sheet
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Parameters appear here as Claude collects them.
🔬 100-Run Portfolio Stress Test
Running 100 scenarios…
Terms & Disclaimer
Research preview
This is a research preview of the FCAL (Fail-Closed Admissibility Layer) system. Functionality, oracles, outputs, and behavior may change without notice. The system is under active development and is not a finished product.
Not professional advice
Outputs from this system do not constitute professional advice of any kind, including but not limited to engineering, financial, legal, regulatory, accounting, or compliance advice. Decisions affecting safety, finance, regulatory obligations, or other consequential matters require independent verification by qualified professionals.
No warranty
The system is provided "as is" and "as available", without warranty of any kind, express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, accuracy, completeness, or non-infringement.
No liability
FCAL Project / Jussi Lumiaho disclaims all liability for any direct, indirect, incidental, consequential, special, or exemplary damages arising from use of, or reliance on, outputs of this system, regardless of the legal theory under which such liability is asserted.
User responsibility
Users are solely responsible for evaluating the suitability of any output for their intended use, for ensuring compliance with all applicable laws, regulations, and professional standards, and for any decisions made on the basis of system outputs.
Patent pending
Aspects of the FCAL system are subject to pending US patent applications (USPTO Provisional Patent Applications, filed December 2025). All rights reserved.