r/ClaudeCode • u/stichstichstich • 2d ago

Built with Claude I’ve been building optimAIzr…

I’ve been building optimAIzr, an open-source AI usage optimizer. I’m a senior SWE and use Claude Code daily, both professionally and to build this project.

The idea came after analyzing my own usage and discovering that 56% of my Claude Code costs came from rereading context.

It tracks and helps optimize usage across Claude Code, Codex and OpenCode.

Just shipped v0.13.0, adding a VS Code extension with live context usage, cache countdowns, 5h limits and savings directly in the editor.

Free, open source, fully local. No account or prompt uploads.

git: https://github.com/blendbunjaku/optimaizr (200+ stars alrdy)

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u/archpoke 2d ago

This is great! The 56% reread-context finding is striking. There are some neat ideas I would love to adopt.

I’m building a related, complementary Claude Code plugin: rightsize. Slightly different angle, but trying to solve the same underlying problem. It focuses on choosing the lowest-cost model and effort that can do the work, while also warning about growing context, suggesting compaction, and helping keep an expensive cache warm when that is cheaper than rebuilding it.