Borrowing it
Nothing to install: this file belongs to TsukumoHQ/trovex. 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/TsukumoHQ/trovex/main/.claude/skills/review-backend/SKILL.mdgit clone --depth 1 https://github.com/TsukumoHQ/trovexWrote 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/tsukumohq/trovex/review-backend)<a href="https://agentmods.dev/skills/tsukumohq/trovex/review-backend"><img src="https://agentmods.dev/badge/skills/tsukumohq/trovex/review-backend/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/tsukumohq/trovex/review-backend"><img src="https://agentmods.dev/badge/skills/tsukumohq/trovex/review-backend.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 | $0.00000 | $0.03377 |
| Opus 5.5 | $0.00000 | $0.01351 |
| Sonnet 5.5 | $0.00000 | $0.00675 |
| Haiku 4.5 | $0.00000 | $0.00338 |
Grade A, and why
review-backend scanned grade A with 1 finding 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 2mo 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.
Runs shell commandslowCapability
Expected in a hook, worth knowing in a rule or an instructions file.
**Already covered by tooling — do NOT re-flag here** (they fail CI mechanically): ruff lint (E/F/I/N/UP/B/SIM/RUF), the pytest suite incl. `tests/test_security.py`, `scripts/security_guard.py` (eval/exec/os.system/shell= The source is not reproduced here
Licensed AGPL-3.0
The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.
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.
- 2mo ago First seen · 76 lines · 0 tokens per session scan A d24bcb585621
review-backend is a skill published in the GitHub repository TsukumoHQ/trovex (11 stars, last pushed 16d ago), licensed AGPL-3.0. It costs nothing until one of its globs matches a file; then it loads 3,377 tokens. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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