In development · not for sale yet · no payment is taken on this page

A tested reference implementation for running LLM features in production

Cost limits, output validation, regression evals and PII-safe logging, as TypeScript code with tests you can run, plus a handbook that explains the trade-offs. For solo developers and small teams shipping LLM features.

What exists today, and what does not

Module	Status
Per-key quota with reserve → commit/release holds	Released, open source (MIT)
Structured-output validation with retry and fallback	Planned
Regression eval harness that runs in CI	Planned
PII redaction before logging	Planned
Provider-agnostic adapter	Planned
Handbook and pre-launch checklist	Planned

Planned pricing (not final)

Solo licence around $99, team licence around $249, one-time. These are the numbers being tested, not an offer. Whether the kit gets built depends on the answers to the form below.

Join the waitlist

Email If it did what is described above, what is the most you would pay once? (required; this is a survey, not a commitment) What is the hardest part of running an LLM feature in production for you? (optional)

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