Fallow is a command-line static-analysis tool that builds a dependency graph of TypeScript and JavaScript code to identify unused code, duplication, circular dependencies, complexity hotspots, boundary violations, and styling drift. It is for developers reviewing codebases and verifying changes, with catalogue entries that add agent, editor, and workflow integrations.
Borrowing it
Nothing to install: this file belongs to fallow-rs/fallow. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/fallow-rs/fallow/main/.agents/skills/ship/SKILL.mdgit clone --depth 1 https://github.com/fallow-rs/fallowWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/fallow-rs/fallow/ship)<a href="https://agentmods.dev/skills/fallow-rs/fallow/ship"><img src="https://agentmods.dev/badge/skills/fallow-rs/fallow/ship/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/fallow-rs/fallow/ship"><img src="https://agentmods.dev/badge/skills/fallow-rs/fallow/ship.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00042 | $0.02004 |
| Opus 5.5 | $0.00017 | $0.00802 |
| Sonnet 5.5 | $0.00008 | $0.00401 |
| Haiku 4.5 | $0.00004 | $0.00200 |
Grade A, and why
ship scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Ship
- Confirm the branch and diff exactly match the reviewed scope. To put
the branch on the current base, run
node scripts/ship-rebase.mjs --pr <number> --push, also for one pull request. Do not rebase by hand. The script compares the result with a merge and checks each version constant. A failed manualrebase --continueleaves commits on a detached HEAD. - Re-run the required checks from
docs/development/quality-gates.md. - Verify that public contracts and generated files are pushed. Merge each
companion change into the default branch of its repository (for example
fallow-docs
main). A pushed feature branch is not enough: the release then must merge it. When the merged change touchesnpm/fallow/skills, runnode scripts/sync-skills-companion.mjsand push the fallow-skills commit that it prepares. - Create signed conventional commits only.
- Merge through the repository's current protected-main workflow.
- Monitor the merged commit until required CI completes. Use
node scripts/ship-wait-checks.mjs --commit <full sha> --min-checks <count> --follow-main, with the run count of a recent push tomain. A newer push tomaincancels the runs of the merged commit. With--follow-main, the script then waits for the newest commit oforigin/mainthat contains the merged commit, and prints one line for each move. On a busymain, new pushes can cancel each long run, and the wait can time out with pending runs. Then do not start the same wait again. For each workflow without a pass, watch its newest in-progress run on a commit that contains the merged commit (gh run watch <run id> --exit-status). Before you retry a failed job, confirm that the branch contains the current base (git merge-base --is-ancestor origin/main HEAD). A second identical failure is a defect, not a flake: diagnose it instead of a third retry. - Inspect the merged tree for conflict markers and generated drift. Then
run
git diff <reviewed head> <merge commit>. A pull request that merged after your last rebase shows there, also when it did not conflict. Read each hunk in a file that your pull request changed. Such a merge can make your code, a comment or a doc wrong without a text conflict. Fix that in a follow-up pull request. - Return every touched checkout to a clean, synchronized state.
Do not call work complete while required merged-commit workflows are still running.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- today Changed · +17 lines 0d30a826a20c
- yesterday Changed · +5 lines 16850a70403d
- 3d ago Changed · +5 lines bbb89c39d845
- 14d ago Changed · +16 lines dfa6c1abaa38
- 15d ago Changed · +7 lines a0ab9c5693e4
- 16d ago Changed · +2 lines 3d5342143976
- 17d ago Changed · +68 lines 3418f46d4dc4
- 19d ago Changed · +3 lines b04cbe0f51c1
- 23d ago Changed · +3 lines 706de2695bd4
- 1mo ago First seen · 19 lines · 42 tokens per session scan A 6459a67d1b01
ship is a skill published in the GitHub repository fallow-rs/fallow (5,139 stars, last pushed today), licensed MIT. It adds 42 tokens to every session and 2,004 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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