Jane

Jane - Knowledge Management for AI Teams

Jane is a Model Context Protocol (MCP) server that transforms your team's documentation into an AI-accessible knowledge base. Built with TypeScript and the official MCP SDK, Jane allows Claude and other MCP-compatible clients to search, access, and manage your standard library documentation and project specifications with SQLite-powered performance.

Perfect for development teams who want to:

- 📚 Make their documentation instantly searchable by AI assistants
- 🔍 Quickly find APIs, coding standards, and architectural decisions
- 📝 Keep project specifications and requirements accessible
- 🚀 Onboard new team members faster with searchable knowledge

- Node.js 18+andnpm 8+
- MCP-compatible client: Claude Desktop, Claude Code, or custom MCP client
- 5 minutesfor setup and first successful query

Get Jane running with your first successful query in 3 steps:

git clone <repository-url> cd jane-mcp-server npm install npm run build

✅You should see:"Jane MCP server is running and ready for connections"
PressCtrl+Cto stop when you see this message.

Add Jane to your Claude Desktop configuration:

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

{ "mcpServers": { "jane": { "command": "node", "args": ["/absolute/path/to/jane-mcp-server/dist/index.js"] } } }

Important:Replace/absolute/path/to/jane-mcp-server/dist/index.jswith your actual absolute path.

Restart Claude Desktop and look for the 📎 (attachment) icon in the input field to access Jane's tools.

- 🔍 Smart Document Search: SQLite-powered full-text search with intelligent indexing that only processes new/modified documents
- 🤖 AI-Native Integration: Seamlessly works with Claude Desktop, Claude Code, and custom MCP clients
- 📊 Performance Optimized: Context window preservation through efficient SQLite database storage
- 📁 Flexible Organization: Supports both standard library docs and project specifications
- ⚡ Zero Configuration: Works out of the box with sensible defaults and automatic setup

"Search for authentication endpoints in our API docs" → Jane finds and returns relevant REST API specifications

"Show me our coding standards for TypeScript" → Jane retrieves team-specific development guidelines

"Find the database schema requirements for the user service" → Jane searches project specs and returns architecture details

- Standard Library Docs(stdlib): Language-specific documentation (JavaScript, TypeScript, Python, etc.)
- Project Specifications(specs): Requirements, architecture docs, API specs, team guidelines

Jane provides 7 MCP tools for comprehensive document management:

- list_stdlibs- Browse available programming languages and their documentation
- list_specs- Explore your project specifications and technical docs
- search- Full-text search across all documents with filtering options

- get_stdlib- Retrieve specific standard library documentation
- get_spec- Access project specifications and technical documents

- create_document- Add new documentation with structured metadata
- update_document- Modify existing documents and their metadata

pwd # Copy the output, you'll need: /that/path/dist/index.js

Update Claude Desktop configwith the JSON above

Restart Claude Desktop completely(quit and reopen)

- Look for the 📎 icon in the input area
- Select "jane" from the MCP servers dropdown
- Try: "List available standard libraries"

Add Jane as an MCP server to Claude Code:

# Add Jane MCP server to Claude Code claude mcp add jane node /absolute/path/to/jane-mcp-server/dist/index.js # Start Claude Code interactive session claude

# List configured MCP servers claude mcp list # Test Jane integration > /mcp # Select "jane" from the interactive menu to verify connection

Jane organizes documents in a clear hierarchy:

Jane/ ├── stdlib/ # Standard library documentation │ ├── javascript/ # Language-specific folders │ ├── typescript/ │ └── python/ └── specs/ # Project specifications ├── project1/ # Project-specific folders └── project2/

- Location:./document-index.db(automatically created)
- Technology: SQLite FTS5 for full-text search
- Smart Indexing: Only processes new/modified documents on startup
- Performance: Maintains document metadata and content for fast queries

All documents use Markdown with YAML frontmatter:

--- title: "Document Title" description: "Brief description" author: "Author Name" tags: ["tag1", "tag2"] --- # Document Content Your markdown content here...

For teams who want to keep their documentation private and separate from the MCP server repository:

# Create your private Jane documents directory mkdir -p ~/Documents/Jane/{stdlib,specs} # Remove default Jane directory (if it exists) rm -rf ~/dev/jane-mcp-server/Jane # Create symlink from MCP server to your private docs ln -s ~/Documents/Jane ~/dev/jane-mcp-server/Jane

- Privacy: Keep your docs separate from the open-source MCP server
- Backup: Back up docs independently from the server code
- Team Sharing: Share docs privately while using the same server setup
- Git Cleanliness: Avoid committing sensitive documentation to the MCP server repo

After setting up the symlink, Jane will automatically use your private documents from~/Documents/Janewhile the server accesses them through the symlink. You can add.gitignoreentry forJane/to prevent accidentally committing your private docs.

# Development mode with hot reload npm run dev # Run tests npm test # Lint code npm run lint # Check SQLite database sqlite3 document-index.db "SELECT COUNT() FROM documents;"

# Test server startup timeout 10s npm start echo $? # Should be 124 (timeout) for successful startup # Run comprehensive diagnostics npx tsx tests/jane-diagnostics.ts # Inspect SQLite database sqlite3 document-index.db ".tables" sqlite3 document-index.db "SELECT type, path, title FROM documents LIMIT 10;" # Check document structure find Jane/ -name ".md" | head -5

- Integration Issues: Check the integration guide for your specific MCP client
- Performance Problems: Review the SQLite configuration and document indexing
- Document Management: See the MCP tools reference and usage examples

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