Sigil

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Sigil is a robust Model Context Protocol (MCP) server designed to supercharge AI assistants with advanced code understanding and navigation. It provides IDE-like functionalities, including hybrid code search with fast text search (trigram indexing), symbol-based lookups, and semantic search powered by vector embeddings. Built for production, it ensures thread-safe concurrent access, robust security with OAuth 2.0 and API keys, and comprehensive administration tools. Sigil integrates seamlessly with AI platforms like ChatGPT, allowing them to intelligently explore, analyze, and interact with codebase structures for enhanced developer workflows. It also supports aggregating and exposing tools from external MCP servers.

Características Principales

• Hybrid code search combining trigram, symbol, and semantic search with vector embeddings
• Admin API for operational management, index rebuilds, and server statistics
• Production-ready with thread-safe concurrent access and comprehensive logging
• Enterprise-grade security including OAuth 2.0 with PKCE, API key fallback, and IP whitelisting
• 0 GitHub stars
• Automatic index updates with configurable file watching and smart filtering

Casos de Uso

• Empowering AI assistants with deep code understanding, navigation, and contextual search
• Providing IDE-like code exploration, symbol lookup, and semantic search across private repositories
• Aggregating and exposing tools from various external MCP servers through a unified interface