ast-grep-find

3.6k

parcadei

AST-based code search and refactoring via ast-grep MCP

search-code

1.9k

JamieMason

Search for code patterns in Syncpack. Use when finding symbols, implementations, or understanding how code is used. Covers ast-grep for Rust and grep/rg for other cases.

file-search

817

massgen

This skill should be used when agents need to search codebases for text patterns or structural code patterns. Provides fast search using ripgrep for text and ast-grep for syntax-aware code search.

moai-workflow-loop

776

modu-ai

Ralph Engine - Automated feedback loop with LSP diagnostics and AST-grep integration for continuous code quality improvement. Use when implementing error-driven development, automated fixing, or continuous quality validation workflows.

moai-tool-ast-grep

776

modu-ai

AST-based structural code search, security scanning, and refactoring using ast-grep (sg CLI) with pattern matching and code transformation across 40+ languages. Use when performing structural code search, AST-based refactoring, codemod operations, security pattern scanning, or syntax-aware code transformations across files. Do NOT use for simple text search (use Grep tool instead) or full codebase exploration (use Explore agent instead).

ast-grep

540

ast-grep

Guide for writing ast-grep rules to perform structural code search and analysis. Use when users need to search codebases using Abstract Syntax Tree (AST) patterns, find specific code structures, or perform complex code queries that go beyond simple text search. This skill should be used when users ask to search for code patterns, find specific language constructs, or locate code with particular structural characteristics.

repo-mapping

509

agent-sh

Use when user asks to "create repo map", "generate repo map", "update repo map", "repo map status", or "map symbols/imports". Builds and validates an AST-based repo map using ast-grep.

repo-mapping

508

Avifenesh Awesome Slash Repo Mapping

Use when user asks to "create repo map", "generate repo map", "update repo map", "repo map status", or "map symbols/imports". Builds and validates an AST-based repo map using ast-grep.

tool-ast-grep-rules

271

Heyvhuang

Write AST-based code search and rewrite rules using ast-grep YAML. Create linting rules, code modernizations, and API migrations with auto-fix. Use when the user mentions ast-grep, tree-sitter patterns, code search rules, lint rules with YAML, AST matching, or code refactoring patterns.

ast-grep

96

natsukium

AST-based code search and transformation tool using tree-sitter. Use for structural pattern matching, refactoring deprecated APIs, detecting anti-patterns, migrating code between library versions, and enforcing coding standards.

gem-port

79

mbrock

Port Ruby gems with native C extensions to Fil-C. Use when fixing gem compilation errors, VALUE/int type mismatches, rb_attr/rb_protect issues, or using ast-grep for Ruby C extensions.

ast-grep

58

ampcode

Guide for writing ast-grep rules to perform structural code search and analysis. Use when users need to search codebases using Abstract Syntax Tree (AST) patterns, find specific code structures, or perform complex code queries that go beyond simple text search. This skill should be used when users ask to search for code patterns, find specific language constructs, or locate code with particular structural characteristics.

codemod

56

pproenca

Codemod (JSSG, ast-grep, workflows) best practices for writing efficient, safe, and maintainable code transformations. This skill should be used when writing, reviewing, or debugging codemods, AST transformations, or automated refactoring tools. Triggers on tasks involving codemod, ast-grep, JSSG, code transformation, or automated migration.

ast-grep

56

pproenca

ast-grep rule writing and usage best practices. This skill should be used when writing, reviewing, or debugging ast-grep rules for code search, linting, and transformation. Triggers on tasks involving YAML rules, pattern syntax, meta variables, constraints, or code rewriting.

ast-grep-rule-crafter

52

hylarucoder

Write AST-based code search and rewrite rules using ast-grep YAML. Create linting rules, code modernizations, and API migrations with auto-fix. Use when the user mentions ast-grep, tree-sitter patterns, code search rules, lint rules with YAML, AST matching, or code refactoring patterns.

code-search

43

edmundmiller

Use when searching code, refactoring, running codemods, or choosing between search tools. Provides guidance on ast-grep vs ripgrep selection and usage patterns.

ast-grep

43

edmundmiller

Structural code search and refactoring using AST patterns. Use when searching for code patterns (not text), finding deprecated patterns, or systematic refactoring. Supports Nextflow, JavaScript, Python, and more.

ast-grep-code-analysis

36

zenobi-us

Use when analyzing complex codebases for security vulnerabilities, performance issues, and structural patterns - provides systematic AST-based approach using ast-grep for comprehensive code understanding beyond manual inspection

code-structural-search

15

oimiragieo

Use ast-grep for AST-based code pattern matching.

ast-grep

10

OutlineDriven

Effective code search, analysis, and refactoring using ast-grep (sg). Use this skill for precise AST-based code modifications, structural search, and linting.

code-antipatterns-analysis

10

laurigates

Analyze codebases for anti-patterns, code smells, and quality issues using ast-grep structural pattern matching. Use when reviewing code quality, identifying technical debt, or performing comprehensive code analysis across JavaScript, TypeScript, Python, Vue, React, or other supported languages.

ast-grep-search

10

laurigates

Find and replace code patterns structurally using ast-grep. Use when you need to match code by its AST structure (not just text), such as finding all functions with specific signatures, replacing API patterns across files, or detecting code anti-patterns that regex cannot reliably match.

ast-grep

9

xdg

Use ast-grep for structural code search and refactoring when editing code structure with ambiguity in text matching, handling "old_string not unique" problems, or performing formatting-independent pattern matching across function signatures, method calls, and class structures

ast-grep

9

ssiumha

Creates ast-grep patterns for structural code search. Use when finding functions/classes by structure, refactoring code, or when grep returns too many false positives.

ast-grep

9

mauromedda

AST-aware code search and refactoring using ast-grep (sg). Use INSTEAD of grep/ripgrep for searching code structure. Finds functions, classes, patterns, anti-patterns across Go, Python, Bash, Terraform/HCL codebases. Triggers on "ast-grep", "sg", "find function", "find class", "find method", "find all usages", "where is X used", "search for pattern", "find anti-pattern", "code smell", "refactor pattern", "structural search", "AST search", "find error handling", "find imports", "find decorators", "find struct", "find interface", "search code", "locate function", "grep for function", "find definition". PROACTIVE: Use for ANY code search task; prefer over grep/ripgrep for code files.

code-structure

9

xdg

Extract file structure (functions, classes, exports) efficiently without reading entire files, using ast-grep, go doc, ctags, or other language-specific tools to get outlines and signatures

unified-search-discover

8

CsHeng

Progressive search and discovery with structured refinement workflows for file finding, content searching, and safe refactoring operations using fd/find, rg/grep, and ast-grep tools. Use when searching, discovering, or refactoring code with progressive refinement patterns.

ast-grep

8

joncrangle

Guide for writing ast-grep rules to perform structural code search and analysis. Use when users need to search codebases using Abstract Syntax Tree (AST) patterns, find specific code structures, or perform complex code queries that go beyond simple text search. This skill should be used when users ask to search for code patterns, find specific language constructs, or locate code with particular structural characteristics.

ast-grep

8

not-matthias

Guide for writing ast-grep rules to perform structural code search and analysis. Use when users need to search codebases using Abstract Syntax Tree patterns, find specific code structures, or perform complex code queries that go beyond simple text search.

structural-search

8

0xDarkMatter

Search code by AST structure using ast-grep. Find semantic patterns like function calls, imports, class definitions instead of text patterns. Triggers on: find all calls to X, search for pattern, refactor usages, find where function is used, structural search, ast-grep, sg.

analyzing-code-structure

5

iota9star

Performs structural code search and refactoring by matching code structure instead of exact text. Use when editing code structure with text matching ambiguity, handling "old_string not unique" problems, or performing formatting-independent pattern matching across function signatures, method calls, and class structures

extracting-code-structure

5

iota9star

Extracts file structure (functions, classes, exports) efficiently without reading entire files, using ast-grep, Dart/Flutter analyzer, ctags, or other language-specific tools to get outlines and signatures. Use this skill when listing all methods, functions, or classes in a file, exploring unfamiliar code, getting API overviews, or deciding what to read selectively

ast-grep

4

onbjerg

Structural code search using ast-grep. Use for syntax-aware searches, finding patterns, refactoring, or when you need to understand code structure beyond plain text matching.

ast-grep

4

leiserfg

Guide for writing ast-grep rules to perform structural code search and analysis. Use when users need to search codebases using Abstract Syntax Tree (AST) patterns, find specific code structures, or perform complex code queries that go beyond simple text search. This skill should be used when users ask to search for code patterns, find specific language constructs, or locate code with particular structural characteristics.

ast-grep-rule-crafter

2

Arseeth

Write AST-based code search and rewrite rules using ast-grep YAML. Create linting rules, code modernizations, and API migrations with auto-fix. Use when the user mentions ast-grep, tree-sitter patterns, code search rules, lint rules with YAML, AST matching, or code refactoring patterns.

Guardrail

1

phrazzld

Generate custom lint rules from architectural patterns. ESLint local plugins (JS/TS) or ast-grep YAML rules (Python/Go/Rust/any). Invoke when: codifying an import boundary, enforcing API conventions, blocking deprecated patterns, or any "always/never" constraint.

ast-grep

tizee

Structural code pattern search and refactoring using ast-grep (sg). Use for finding functions, classes, methods, imports, or any code structure patterns. Supports syntax-aware analysis across multiple languages including JavaScript, TypeScript, Python, Ruby, Go, Rust, and more. Use when searching for code patterns based on structure rather than plain text.

ast-grep

xiaoland

Guide for writing ast-grep rules to perform structural code search and analysis. Use when users need to search codebases using Abstract Syntax Tree (AST) patterns, find specific code structures, or perform complex code queries that go beyond simple text search. This skill should be used when users ask to search for code patterns, find specific language constructs, or locate code with particular structural characteristics.