Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add emaraschio/cursor-commands --skill light-review-existing-diffsgit clone --depth 1 https://github.com/emaraschio/cursor-commandsWrote 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/emaraschio/cursor-commands/light-review-existing-diffs)<a href="https://agentmods.dev/skills/emaraschio/cursor-commands/light-review-existing-diffs"><img src="https://agentmods.dev/badge/skills/emaraschio/cursor-commands/light-review-existing-diffs/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/emaraschio/cursor-commands/light-review-existing-diffs"><img src="https://agentmods.dev/badge/skills/emaraschio/cursor-commands/light-review-existing-diffs.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00016 | $0.00306 |
| Opus 5 | $0.00008 | $0.00153 |
| Sonnet 5 | $0.00003 | $0.00061 |
| Haiku 4.5 | $0.00002 | $0.00031 |
Grade A, and why
light-review-existing-diffs 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 6d ago.
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.
What it actually says
Overview
Perform a quick quality pass on current diffs to surface risky areas, ensure polish, and flag follow-up actions for deeper review.
Steps
- Scan recent changes
- List open branches or pending commits requiring review
- Skim side-by-side diffs focusing on new or modified files
- Note files or modules with large or complex edits
- Assess quality signals
- Watch for TODOs, debug code, or commented blocks needing cleanup
- Verify naming, formatting, and imports follow project standards
- Check that tests or documentation were updated when behavior changed
- Flag next actions
- Mark sections that warrant full review or pair programming
- Capture questions or uncertainties to raise with the author
- Document any quick fixes you can apply immediately
Review Checklist
- High-risk files identified
- Debugging artifacts removed or flagged
- Style and conventions validated
- Tests/docs updates confirmed or requested
- Follow-up items recorded for deeper review
Guardrails
- Raise nitpicks as optional and non-blocking; keep the pass fast.
- Flag security issues even in a light review, no matter how quick the pass.
- Do not commit, push, merge, or run production scripts without consent.
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 6d ago First seen · 38 lines · 16 tokens per session scan A 349d83e288f6
light-review-existing-diffs is a skill published in the GitHub repository emaraschio/cursor-commands (9 stars, last pushed 1mo ago), licensed MIT. It adds 16 tokens to every session and 306 once invoked, about $0.0001 per session on Opus 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 2026-09-03.
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