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px0 is a read-only web IDE designed for verifying code written by AI agents. It boots in under 1ms, uses 20MB of RAM (70x lighter than VS Code), and fuzzy-searches massive codebases like the Linux kernel in milliseconds—no config, no dependencies, just a single Go binary.
- Extreme performance: sub-millisecond startup, 6ms fuzzy search across 95,710 files, 20MB idle memory vs VS Code's 1,440MB across 15+ processes
- Purpose-built for verification workflows where agents write code and humans review it, not for typing—includes git awareness, diffs, symbol navigation, and optional LSP support
- Zero dependencies and distribution simplicity: single static binary with embedded HTML/CSS/JS, works on any box, no Node/Electron/plugins, spawns language servers on demand