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juliusbrussee
Builder

juliusbrussee

Index Rank71

9 Apps · 0 Intel

Julius Brussee is a 19-year-old full-stack developer from the Netherlands, currently studying Data Science and Artificial Intelligence at Leiden University. He specializes in Swift, TypeScript, and Go, with a focus on open-source developer tooling and AI agent infrastructure, and gained wide international attention in 2026 when his token-efficiency tooling for Claude Code reached #1 on Hacker News and was covered by RTL and BNR Nieuwsradio.

Apps

Caveman(github.com/juliusbrussee/caveman)

A Claude Code skill and plugin that makes AI agents communicate like cavemen, reducing token usage by ~75% while maintaining full technical accuracy. Transforms verbose AI responses into concise, direct answers that save money and increase response speed.

AI ToolsOpen SourceLLM Infrastructure92.8kMITbuilt by juliusbrussee3mo ago
Cavekit(https://github.com/JuliusBrussee/cavekit)

Claude Code plugin that turns natural language into blueprints, parallel build plans, and working software with peer review across models.

AI AgentsOpen SourceCoding Agents1.1kMITbuilt by juliusbrussee2mo ago
Cavemem(https://github.com/juliusbrussee/cavemem)

Cross-agent persistent memory for coding assistants. Compressed storage, fast retrieval, local by default.

AI AgentsOpen SourceSkills648MITbuilt by juliusbrussee2mo ago
Revu(https://github.com/JuliusBrussee/revu-swift)

Local-first macOS study app with FSRS spaced-repetition review, decks, study guides, and exam mode.

ProductivityOpen SourceKnowledge & Search358NOASSERTIONbuilt by juliusbrussee2mo ago
Cavegemma(https://github.com/juliusbrussee/cavegemma)

LoRA/QLoRA fine-tune of Gemma 4 31B that natively speaks caveman-mode — a style-transfer fine-tuning recipe using Unsloth.

AI ToolsOpen SourceLLM Infrastructure100built by JuliusBrussee2mo ago
Pitchr(https://github.com/juliusbrussee/pitchr)

AI pitch coaching app for founders — live recording and transcription, async analysis runs, deck upload, and Miro fix-board export.

ProductivityOpen SourceWriting & Docs33AGPL-3.0built by JuliusBrussee2mo ago
Logo Designer(https://github.com/juliusbrussee/logo-designer)

A pixel-grid logo editor that draws on a grid and exports clean SVG/PNG with configurable curve smoothing.

Developer ToolsOpen SourceDesign Tools40built by JuliusBrussee2mo ago
The Prompt Library(https://github.com/juliusbrussee/the-prompt-library)

Curated collection of production-ready AI prompts with MCP integration, organised for both humans and machines.

AI ToolsOpen SourceLLM Infrastructure63MITbuilt by JuliusBrussee2mo ago
Auto Build In Public(https://github.com/juliusbrussee/auto-build-in-public)

Automatically generate post-ready build-in-public drafts from your git history, optionally triggered on merged PRs.

SocialOpen SourceContent Creation4built by JuliusBrussee2mo ago