Rip'n Fast. Fewer Tokens. Better Code.

The ripgrep of AI context. Give your coding agent a map before it reads the repo.

Point it at any repository and your agent gets a ranked, deterministic call graph — what to touch, what it breaks, which tests to run — instead of grepping around and reading whole files.

Just want to use it? Install it with the one line below, then start each coding session by telling your agent to use it, for example: "Use ripwire on this repo." That is all most people need: the install also teaches your agent when to reach for each command.

Want every detail? The reference guide near the bottom covers install, commands, output format, exit codes and limits. You do not need it to get started.

Beside those sits a labelled survey of 237 tools that contributed nothing and says so. The two sets are disjoint by construction, so they add rather than nest — a tool that gave a lesson is never counted twice.

Both halves are load-bearing, and they are doing different jobs. The settled results are what make the quality lens trustworthy: McCabe on complexity (1976), Halstead on volume (1977), Spärck Jones on term specificity (1972), Nagappan & Ball on churn. Fifty years of replication means those are not opinions, and a tool that measures your code should be built on the ones that survived.

The recent work is what makes it current: seventeen of the folded papers are from 2026, seven published in the last two months and three in the last thirty days (dates as of 2026-09-08; every row carries its arXiv id, so the claim is checkable rather than atmospheric). Retrieval for coding agents, context-compression cost, placebo-controlled localization — that literature is months old, not decades, and several rows were folded within weeks of the paper appearing.

Neither half alone would be enough. A tool built only on the classics would not know what an agent needs; one built only on last month's preprints would have nothing underneath it. And the newest row is a result that failed when it was tested here — which is the point of writing them down. All three counts are re-derived from that document's own tables by test/readmedriftcheck.sh on every run, which fails if this page and those tables disagree, so the claim cannot quietly drift. The row-by-row ledger is docs/LINEAGE.md.

Languages: Rust · C++ · Objective-C/C++ · C · Metal · CUDA · Python · Go · Swift · TypeScript · JavaScript · Java · Ruby · PHP · Lua · Elixir · Dart · Kotlin · Bash · C# · JSON · TOML · YAML · Markdown — see language support and limits.

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