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Lantern Lattice
Lantern Lattice is a developer tool that provides call graphs from compilers and type checkers for humans and coding agents.
Lantern Lattice builds exact call graphs derived directly from compilers and type checkers to help developers and coding agents understand codebases. It traces functions, types, fields, and symbols by leveraging language-specific analysis tools like rust-analyzer, tsrs, pyrefly, and clangd. Users can view the live interactive graph in a browser using WebGPU or connect it to coding agents through the Model Context Protocol. It supports Rust, TypeScript, JavaScript, Python, Go, C, and C++ projects, updating in real time as edits occur. The tool runs locally as a daemon on macOS and Linux, maintaining high accuracy compared to standard text searches.
Lantern Lattice at a glance
Key features
- Trace exact function calls and symbol usages
- Integrate with coding agents via Model Context Protocol
- View live interactive call graphs in a browser
- Support Rust, TypeScript, JavaScript, Python, Go, C, and C++
- Export static graph pages for hosting
- Track edits with real-time visual highlights
Use it for
- Navigating large codebases and complex function calls
- Replacing standard text search with precise code graphs
- Providing context and tools to coding agents like Claude Code
- Visualizing project architecture and symbol relationships
Alternatives to Lantern Lattice
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- CodeSight — Reduces AI token usage significantly and maps projects instantly.
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- MCPgraphy — Learns from agent calls to prevent invalid tool execution.
- Lloyal — Builds apps with embedded models that run offline without user API keys.
- daidocs — It keeps code graphs as plain text for lower token costs and better accuracy.
All Lantern Lattice alternatives