Codegraph: Pre-indexed knowledge graph cuts Claude/Cursor tool calls by 94%
Colbymchenry released Codegraph, a tool that leverages Claude's Explore Agents to build and query a pre-indexed knowledge graph — containing symbol relationships, call graphs, and code structure — instead of scanning files repeatedly. According to the author, this reduces API tool calls by up to 94% and speeds up agent usage by roughly 77%.
Benchmark results
| Codebase | With CG | Without CG | Improvement |
|---|---|---|---|
| VS Code (TypeScript) | 3 calls, 17s | 52 calls, 1m 37s | 94% fewer, 82% faster |
| Excalidraw (TypeScript) | 3 calls, 29s | 47 calls, 1m 45s | 94% fewer, 72% faster |
| Claude Code (Python+Rust) | 3 calls, 39s | 40 calls, 1m 8s | 93% fewer, 43% faster |
| Claude Code (Java) | 1 call, 19s | 26 calls, 1m 22s | 96% fewer, 77% faster |
| Alamofire (Swift) | 3 calls, 22s | 32 calls, 1m 39s | 91% fewer, 78% faster |
| Swift Compiler (Swift/C++) | 6 calls, 35s | 37 calls, 2m 8s | 84% fewer, 73% faster |
The tool is open source and runs locally, meaning no code is sent to external APIs for indexing. For developers using Claude, Cursor, Codex, or OpenCode API agents, this directly reduces the number of tool calls — which is especially relevant given the recent Claude API pricing model.
Who it's for: Developers using AI coding agents on medium-to-large codebases who want to cut API costs and speed up agent response times.
📖 Read the full source: r/LocalLLaMA
👀 See Also
Dual-model architecture reduces token consumption by half for long conversations
A developer built a dual-model system where a small 'subconscious' model compresses conversation history in the background, allowing the main model to work with a curated ~35K context instead of 120K tokens of raw history. This architecture cuts token consumption roughly in half for sustained project work.
Yozora-fm: Interactive Anime Music Galaxy Visualization
Yozora-fm is an interactive visualization where each star represents an anime opening or ending song, with over 9,000 tracks mapped by genre and era. Users can click stars to play videos or explore the galaxy interface.
Claude Academy: A Free Coding Bootcamp That Runs Inside Claude Desktop
A developer has built Claude Academy, a free coding bootcamp that operates entirely within Claude Desktop's Code tab. The system uses three commands to deliver 64 structured lessons across web development fundamentals, with progress tracking and real project building.
Unveiling OpenClaw: How It Empowers AI Coding Agents
Discover how OpenClaw is transforming AI coding agents, driving automation across various domains.