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Julius Brussee
Builder

Julius Brussee

Index Rank189

8 Tools

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.

Tools

Cavekit(github.com/JuliusBrussee/cavekit)

Claude Code plugin turning natural language into blueprints, parallel build plans, and software with cross-model review.

AI AgentsOpen SourceCoding Agents★ 1.2kMITbuilt by juliusbrussee
Cavemem(github.com/juliusbrussee/cavemem)

Persistent memory layer that coding assistants share across agents, stored compressed and local by default.

AI AgentsOpen SourceSkills★ 678MITbuilt by juliusbrussee
Revu(github.com/JuliusBrussee/revu-swift)

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

ProductivityOpen SourceKnowledge & Search★ 380NOASSERTIONbuilt by juliusbrussee
Cavegemma(github.com/juliusbrussee/cavegemma)

LoRA fine-tune of Gemma 4 31B trained with Unsloth to speak in caveman style, packaged as a style-transfer recipe.

AI ToolsOpen SourceLLM Infrastructure★ 119built by JuliusBrussee
Logo Designer(github.com/juliusbrussee/logo-designer)

Marks drawn on a pixel grid export to SVG or PNG, with curve smoothing left configurable.

Developer ToolsOpen SourceDesign Tools★ 45built by JuliusBrussee
Pitchr(github.com/juliusbrussee/pitchr)

Pitch coaching app with live recording and transcription, async analysis runs, deck upload, and Miro board export.

ProductivityOpen SourceWriting & Docs★ 36AGPL-3.0built by JuliusBrussee
The Prompt Library(github.com/juliusbrussee/the-prompt-library)

Production-ready AI prompts arranged so people and machines can both read them, with MCP integration.

AI ToolsOpen SourceLLM Infrastructure★ 76MITbuilt by JuliusBrussee
Auto Build In Public(github.com/juliusbrussee/auto-build-in-public)

Generates post-ready build-in-public drafts from your git history, optionally triggered when PRs merge.

SocialOpen SourceContent Creation★ 5built by JuliusBrussee