# Discovery Validation

> A technique for checking at startup that every discovered component declares the contract it claims.

Record: `lexicon:discovery-validation`
Kind: technique
Layer: [Extensibility Core](https://banes-lab.com/records/layer/extensibility-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-discovery-validation

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Startup Cost](https://banes-lab.com/records/lexicon/startup-cost.md) and before [Causation Tracking](https://banes-lab.com/records/lexicon/causation-tracking.md).

## Category

- [Runtime Discovery / Dynamic Binding](https://banes-lab.com/records/lexicon-category/runtime-discovery-dynamic-binding.md)

## Refactors

- [Opaque Runtime Behavior](https://banes-lab.com/records/architecture/opaque-runtime-behavior.md)
- [Manifest-Based Design](https://banes-lab.com/records/architecture/manifest-based-design.md)

## Linked from

- [Anti-patterns](https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md)
- [Metadata / Self-Description / Declarative Systems](https://banes-lab.com/ontology/principles/architecture-category-metadata-self-description-declarative-systems.md)