grep-app

Search public GitHub code with literal or regex patterns.

1|Updated Jan 18, 2026

Search Tags:#github #mcp #regex #grep #code-patterns #code-search #public-repos

Ready to run

npx skills add https://github.com/anntnzrb/agents --skill grep-app

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: grep-app
Source: https://github.com/anntnzrb/agents/tree/main/assets/skills/grep-app
Command: npx skills add https://github.com/anntnzrb/agents --skill grep-app

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) and assets (resource) components.

What problem does it solve?

Grep.app MCP enables rapid discovery of public GitHub code by matching literal or regex patterns, helping developers locate examples and API usage without keyword-only searches.

Core Features & Use Cases

Literal and regex search across public repositories.
Query templates and API-style syntax for common tasks (e.g., searching for useState( or specific code patterns).
Public repos-only scope with licensing awareness for reuse.

Quick Start

Search public GitHub code for a literal or regex pattern, for example useState( in TypeScript projects.

Frequently Asked Questions about grep-app

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I search public GitHub repositories for specific code patterns using regex?▼

You can search public GitHub repositories for specific code patterns by providing literal or regex patterns to match against source code. This enables precise discovery of real-world API usage and syntax examples across public repos without relying on keyword-only searches.

What's the best way to find React useState usage examples in TypeScript projects on GitHub?▼

Finding React useState usage examples in TypeScript projects is done by submitting a literal pattern like useState( as a search query. The search covers public repositories and returns matching code samples with licensing awareness for safe reuse.

Can I use regex to find API-style syntax references across public GitHub code?▼

Yes, you can use regex to find API-style syntax references across public GitHub code. The search supports both literal and regular expression patterns, allowing you to locate specific function signatures, method calls, and structural code patterns across repositories.

Does GitHub code search work for finding reusable code samples with license awareness?▼

GitHub code search via this approach works specifically for public repositories and includes licensing awareness for reuse. It covers real-world usage examples and API-style syntax references, helping you locate code samples while remaining conscious of their licensing context.

What are the limitations of searching GitHub code with regex patterns?▼

Limitations of searching GitHub code with regex patterns include a scope restricted to public repositories only, meaning private repos are excluded. Searches are focused on TypeScript and TSX projects, and results depend on the precision of the regex or literal pattern you provide.

How does query templating work for GitHub code pattern searches?▼

Query templating for GitHub code pattern searches works by providing API-style syntax templates for common tasks, such as searching for specific function calls like useState(. These templates structure your query input to match exact code patterns across public repositories efficiently.