# Exact metric regression budget check

Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment.

Compare supplied baseline/candidate decimal measurements against explicit directional absolute and relative regression budgets. Missing values stay unknown; every configured budget must pass. No benchmarking, unit conversion, noise model or significance test.

Release: 0.29.0. Built: 2026-10-06T15:38:00Z.

## Choose for
- Gate supplied agent benchmark changes against explicit regression budgets
- Compare baseline and candidate measurements while preserving missing evidence

## Outside this profile
- Extracting facts or judging truth, semantic correctness, evidence authenticity, causal effects, or production readiness
- Fetching data, executing models or user code, changing datasets, authorizing actions, or contacting live services
- Inferring population quality, statistical significance, uncertainty intervals, or generalization from a supplied sample

Proposed nominal USD 0.005 per successful call; payer fees excluded. No verified runtime availability.

- [Exact release contract](/reference/services/metric-regression-check.json)
- [Input schema](/reference/schemas/metric-regression-check.input.json)
- [Output schema](/reference/schemas/metric-regression-check.output.json)
- [Fixed example](/reference/examples/metric-regression-check.json)
- [Complete HTML reference](/discover/tools/metric-regression-check)