---
type: "Glossary term"
title: "Schema grounding"
description: "Checking that fields and types match a formal contract."
tags: [glossary]
generated: { by: human:crpage, at: 2026-07-09T09:44:00Z }
aliases: "schema grounding"
status: stable
---

# Definition
Checking whether fields and types match a formal contract — necessary but not sufficient. Contrast with [semantic grounding](semantic-grounding.md).

# Used in this bundle
Appears in: [understanding-and-grounding](../stack/understanding-and-grounding.md), [json-schema](../standards/json-schema.md).

# Related terms
[semantic grounding](semantic-grounding.md), [structured output](structured-output.md).