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OSS2026-08-18 · source-backed
JuliusBrussee/caveman ships both a skill (output compressor, ~65% average output token reduction; one React re-render explanation went 1,180 to 159 tokens) and a proxy compressing input and output by content type. The design choice that makes it usable: original bytes are written to a content-addressed recovery store before any lossy transform, so exact retrieval stays possible. Benchmark claim is 33.2% fewer provider-reported input tokens inside Claude Code across 30+ agents. npm i -g @caveman-ai/cli && caveman setup --install.
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Caveman is at 94,167 stars as a single skill for Claude Code, Codex, Gemini, Cursor, Windsurf, Cline, Copilot, and 30+ others, stripping conversational filler while keeping code, commands, and error strings byte-for-byte exact. The README's worked example compresses a 69-token...
The headline number on this repo is 65% token savings. The number you should actually care about is 33.2%, and the reason to trust the project is that the maintainer tells you the difference. JuliusBrussee/caveman cut v2.1.0 on August 16 at 19:22 UTC (GitHub). The GitHub API r...
JuliusBrussee/caveman hit 54,000+ GitHub stars in under three weeks and topped Hacker News. The repo is exactly what it sounds like: a skill that strips agent verbosity, kills the "I'd be happy to help" preamble, and makes Claude answer in terse, near-grunt prose while keeping...
If the margin collapse is happening to the providers, the demand-side version is happening in your own usage graph. Practitioners are now stacking independent token-reduction layers and compounding the savings past 90% total. (Codepointer) The recipe that's making the rounds:...
Three separately-maintained projects now occupy the same layer. CodeBurn reads on-disk session files to price 41+ tools locally and flags waste like re-read files and unused MCP servers. caveman (98.9k stars) interposes a local proxy doing content-type-aware compression, JSON...
There's been a fundamental gap in AI coding workflows that's been driving me crazy: your agent writes React components, generates CSS, builds entire UIs, but can't see the result. It's coding blind. The Chrome DevTools MCP server from Google's ChromeDevTools team fixes this, a...
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