ast-grep ☆

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Description:
Code searching, linting, rewriting

Type: Formula | Latest Version: 0.40.3@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: code-search refactoring static-analysis rust developer-tools tree-sitter

Install: brew install ast-grep

About:
ast-grep is a fast, polyglot code search, linting, and rewriting tool powered by tree-sitter. It allows developers to find and manipulate code patterns across multiple programming languages using structural search and replace (SSR) rules. This enables powerful automated refactoring and custom linting that goes beyond simple regex.

Key Features:

Structural code search and replace (SSR)
Polyglot support via tree-sitter
High performance written in Rust
Custom rule engine for linting and refactoring
Interactive playground for testing rules

Use Cases:

Automated code refactoring across large codebases
Enforcing custom coding standards and anti-patterns
Migrating APIs or syntax across multiple files
Finding security vulnerabilities or bug patterns

Alternatives:

semgrep – semgrep focuses on security and pattern matching with a YAML-based DSL, while ast-grep emphasizes structural rewriting and a more intuitive rule format.
comby – comby is similar in using structural matching but ast-grep leverages tree-sitter for broader language support and faster performance.

License: MIT

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, sonoma, arm64_linux, x86_64_linux

Version History

Detected	Change	Commit
Dec 11, 2025 7:51am	VERSION_BUMP	38387222
Oct 27, 2025 4:53pm	VERSION_BUMP	925206b7
Oct 5, 2025 4:49am	VERSION_BUMP	b0732f4a
Sep 13, 2025 1:10pm	VERSION_BUMP	fde84540
Jan 5, 2025 7:49am	VERSION_BUMP	8d6297c5
Dec 30, 2024 10:32am	VERSION_BUMP	015a520a
Dec 30, 2024 7:50am	VERSION_BUMP	e0d4e024
Dec 26, 2024 2:21pm	VERSION_BUMP	5585d85f
Dec 18, 2024 5:13am	VERSION_BUMP	46e65e55
Dec 18, 2024 4:49am	VERSION_BUMP	f8bf97e8
Dec 17, 2024 7:54am	VERSION_BUMP	5b6926fd
Nov 26, 2024 7:49pm	VERSION_BUMP	23dfd365
Nov 11, 2024 6:25am	VERSION_BUMP	d91375bd
Oct 30, 2024 10:03am	VERSION_BUMP	69e4248a
Oct 30, 2024 6:40am	VERSION_BUMP	5203c736
Sep 22, 2024 9:22pm	VERSION_BUMP	445e9c2b
Sep 11, 2024 5:15am	VERSION_BUMP	41796364
Aug 26, 2024 12:32am	VERSION_BUMP	749327bb
Aug 10, 2024 12:30am	VERSION_BUMP	174f8f22
Aug 8, 2024 3:55am	VERSION_BUMP	3e10b694
Aug 8, 2024 3:23am	VERSION_BUMP	8d10e31c
Jul 26, 2024 10:28am	VERSION_BUMP	3984abac
Jul 26, 2024 6:25am	VERSION_BUMP	0c2f6c11
Jul 19, 2024 11:39am	VERSION_BUMP	8f71dff3
Jul 19, 2024 6:24am	VERSION_BUMP	884dae47
Jul 15, 2024 10:40am	VERSION_BUMP	e4d2a85a
Jul 14, 2024 11:27pm	VERSION_BUMP	c0a5f657
Jul 14, 2024 12:05pm	VERSION_BUMP	19c617f1
Jun 24, 2024 1:19am	VERSION_BUMP	056ba9a7
May 13, 2024 6:24am	VERSION_BUMP	79fbf203
May 12, 2024 9:21am	VERSION_BUMP	67e19208
May 8, 2024 9:22pm	VERSION_BUMP	f3d297d1
May 6, 2024 10:03pm	VERSION_BUMP	7417380d
Apr 11, 2024 9:22am	VERSION_BUMP	4fe68145
Apr 8, 2024 11:37am	VERSION_BUMP	495ac4dc
Apr 8, 2024 9:22am	VERSION_BUMP	d31566c6
Feb 15, 2024 6:24am	VERSION_BUMP	72bf5871
Feb 1, 2024 3:22am	VERSION_BUMP	614dd545
Jan 12, 2024 12:24am	VERSION_BUMP	241dcd7d
Dec 29, 2023 9:22am	VERSION_BUMP	f65979d6
Dec 18, 2023 6:24am	VERSION_BUMP	d5325214
Dec 16, 2023 3:22am	VERSION_BUMP	83299935
Dec 11, 2023 9:23am	VERSION_BUMP	ea236b44
Dec 3, 2023 9:21am	VERSION_BUMP	efb64286
Nov 16, 2023 12:28am	VERSION_BUMP	2a5ec63e
Oct 4, 2023 6:58am	VERSION_BUMP	1353fa50
Oct 3, 2023 11:52pm	VERSION_BUMP	eb31135e
Sep 30, 2023 1:52am	VERSION_BUMP	fece7a16
Sep 19, 2023 6:32am	VERSION_BUMP	cc69b68a
Sep 10, 2023 12:31am	VERSION_BUMP	fe5bb9d7
Aug 5, 2023 8:11pm	VERSION_BUMP	7aea0810
Aug 5, 2023 2:39pm	VERSION_BUMP	8a8cd4c5
Jun 23, 2023 2:35pm	VERSION_BUMP	fca1e411
Jun 23, 2023 6:48am	VERSION_BUMP	22f4a2f5
Jun 6, 2023 9:50am	VERSION_BUMP	dfc5a1d5
May 24, 2023 1:11pm	VERSION_BUMP	b0adc072
May 18, 2023 8:01pm	VERSION_BUMP	827e3cd1
May 17, 2023 2:43pm	VERSION_BUMP	c8b88eb2
May 17, 2023 1:16pm	NEW	9b178993