Code Examples
Find real-world code examples across millions of public GitHub repositories using grep.app.
When to activate:
- User wants to see real-world code examples
- User asks "how do others implement X?"
- User wants to find usage patterns for a library/API
- User needs production code examples (not docs)
API endpoint:
curl -s "https://grep.app/api/search?q={query}&page=1" | jq '.hits.hits[:5]'Parameters:
| Parameter | Description |
|---|---|
q | Search query (required) |
page | Page number for pagination |
regexp | true for regex search |
case | true for case-sensitive |
f.lang | Language filter (capitalized, e.g., TypeScript, Go, Python) |
f.repo.pattern | Filter by repository pattern |
f.path.pattern | Filter by file path pattern |
Examples:
Search for useEffect usage in TypeScript:
curl -s "https://grep.app/api/search?q=useEffect&f.lang=TypeScript&page=1" | jq '.hits.hits[:3]'Search for Go error handling patterns:
curl -s "https://grep.app/api/search?q=if%20err%20!=%20nil&f.lang=Go&page=1" | jq '.hits.hits[:3]'Search within a specific repo:
curl -s "https://grep.app/api/search?q=createContext&f.repo.pattern=facebook/react&page=1" | jq '.hits.hits[:3]'Response format:
hits.hits[]- Array of search results- Each hit contains:
repo.raw(repo name),path.raw(file path),content.snippet(code snippet)
Note: Returns max 1000 results. For documentation, use the documentation-lookup skill instead.