Expo Docs MCP Server

MCP server for semantic search of pre-indexed Expo documentation. Search through Expo SDK documentation using AI-powered semantic search with version-specific results.

Features

• 🔍 Semantic Search: AI-powered search through Expo documentation

• 📚 Version-Specific: Search across different Expo SDK versions (v51, v52, v53, latest)

• ⚡ Fast Results: Pre-indexed documentation with HNSW vector search

• 🎯 Relevant Results: Similarity scoring and configurable result limits

Tools

search-expo-docs

Search Expo documentation using semantic search.

Parameters:

• query (string, required): The search query to find relevant Expo documentation

• version (string, required): Expo SDK version (v53, v52, v51, or latest)

• maxResults (number, optional): Maximum number of results to return (1-10, default: 5)

• scoreThreshold (number, optional): Minimum similarity score threshold (0.0-1.0, default: 0.0)

Example:

Installation

Via Smithery (Recommended)

Install directly using the Smithery CLI:

Manual Installation for Claude Desktop

1. Add to your Claude Desktop configuration file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

2. Restart Claude Desktop

Claude Code Installation

For Claude Code, you can use the built-in MCP configuration:

1. Via Smithery CLI (Recommended):

2. Manual Configuration:

3. Alternative Local Build Method:

Environment Variables

• OPENAI_API_KEY: Required for generating text embeddings during search queries. The server uses OpenAI's text-embedding-3-large model to convert your search queries into vectors that can be matched against the pre-indexed Expo documentation vectors.

Development

Available Versions

• latest: Most recent Expo SDK documentation

• v53: Expo SDK 53

• v52: Expo SDK 52

• v51: Expo SDK 51

Usage Examples

In Claude Desktop or Claude Code

Once installed, you can ask questions about Expo documentation directly:

Camera-related queries:

Navigation setup:

Build configuration:

SDK-specific features:

Direct Tool Usage

If calling the tool directly, use this format:

Architecture

• Semantic Search: Uses OpenAI embeddings with HNSW indexing

• Version Management: Separate indexes for each Expo SDK version

• Pre-processed Data: Documentation is pre-indexed for fast retrieval

• MCP Protocol: Standard Model Context Protocol implementation

License

MIT

Contributing

Contributions welcome! Please read the contributing guidelines and submit pull requests to the main branch.