// Search real-world code examples from over a million public GitHub repositories via grep.app MCP. TRIGGER when need to find code usage patterns, see how developers use a library/API in practice, find production examples of a specific function or syntax, or search GitHub code at scale.
| name | grep-app |
| description | Search real-world code examples from over a million public GitHub repositories via grep.app MCP. TRIGGER when need to find code usage patterns, see how developers use a library/API in practice, find production examples of a specific function or syntax, or search GitHub code at scale. |
| allowed-tools | ["Bash(*mcpcall.py*:*)"] |
Search real-world code examples from over a million public GitHub repositories. Powered by grep.app MCP. No API key required.
Find real-world code examples by searching for literal code patterns (like grep), not keywords.
query (required): literal code pattern (e.g. useState(, import React from, async function)language: array of language filters (e.g. Python, TypeScript, TSX, Java, Go, Rust, C#, YAML, Markdown)repo: filter by repository (e.g. facebook/react, vercel/) — partial names matchpath: filter by file path (e.g. src/components/Button.tsx, /route.ts) — partial paths matchuseRegexp: interpret query as regex (default: false). Prefix with (?s) for multilinematchCase: case-sensitive search (default: false)matchWholeWords: match whole words only (default: false)${CLAUDE_PLUGIN_ROOT}/scripts/mcpcall.py searchGitHub query:"useState("
${CLAUDE_PLUGIN_ROOT}/scripts/mcpcall.py searchGitHub query:"getServerSession" --args '{"language": ["TypeScript", "TSX"]}'
${CLAUDE_PLUGIN_ROOT}/scripts/mcpcall.py searchGitHub query:"CORS(" matchCase:true --args '{"language": ["Python"]}'
${CLAUDE_PLUGIN_ROOT}/scripts/mcpcall.py searchGitHub query:"createContext" repo:"facebook/react"
${CLAUDE_PLUGIN_ROOT}/scripts/mcpcall.py searchGitHub query:"export default" path:"/route.ts" --args '{"language": ["TypeScript"]}'
${CLAUDE_PLUGIN_ROOT}/scripts/mcpcall.py searchGitHub query:"(?s)useEffect\\(\\(\\) => \\{.*removeEventListener" useRegexp:true
${CLAUDE_PLUGIN_ROOT}/scripts/mcpcall.py searchGitHub query:"(?s)try \\{.*await" useRegexp:true --args '{"language": ["TypeScript"]}'
useState(, import React from, async functionreact tutorial, best practices, how to use(?s) prefix in regex to match across multiple lineslanguage to narrow results to relevant file typesrepo with org prefix (e.g. vercel/) to search within an organizationmatchCase:true with specific function names for precise matchesSkills for accessing and searching docs in DeepWiki/GitHub’s public code repositories can help users understand open-source project source codes, and users can also ask questions directly about the code docs.
Interact with local Chrome browser session (only on explicit user approval after being asked to inspect, debug, or interact with a page open in Chrome)
Web reading, search, academic research, NLP, screenshots, and PDF extraction via Jina AI mcpcall. TRIGGER when need to read a URL, search the web, find academic papers (arXiv/SSRN), classify text, rerank documents, deduplicate content, capture screenshots, or extract PDF figures.
Guide and template for converting MCP servers into self-contained Claude Code skills with a Python wrapper script. TRIGGER when creating a new MCP skill, wrapping an MCP server as a skill, or need the mcpcall script template.
AI-powered documentation for GitHub repositories via DeepWiki MCP. TRIGGER when need to understand a GitHub repository, read its documentation topics, ask questions about a repo's codebase, architecture, or usage, or explore how an open-source project works.
Best practices for AI-driven English-to-Chinese translation. This skill should be used when the user asks to "translate to Chinese", "update the Chinese translation", "improve Chinese translation", "fix translation quality", "review Chinese translation", or when translating any English text into Chinese. Also applies when polishing an existing Chinese translation of English content.