Grit

Declarative code search and transformation tool for migrations, linting, and automated fixes.

Overview

Grit provides GritQL, a declarative query language for searching and modifying source code. Code snippets can form queries, and patterns can be reused through a module system. The tool supports transformations across languages and formats, with auto-fix rules for migrations, custom linting, dependency upgrades, and code quality work.

Key features

Declarative code search with GritQL
Source-code transformation
Reusable pattern modules
Auto-fix rules
Support for multiple programming languages
Query optimization for large repositories

Use cases

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Last updated 2026-09-16