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 agentmods add agents/uwuclxdy/agenticat/shell-reviewergit clone --depth 1 https://github.com/uwuclxdy/agenticatWrote 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/agents/uwuclxdy/agenticat/shell-reviewer)<a href="https://agentmods.dev/agents/uwuclxdy/agenticat/shell-reviewer"><img src="https://agentmods.dev/badge/agents/uwuclxdy/agenticat/shell-reviewer.svg" alt="Measured on agentmods" 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 | $0.00078 | $0.01098 |
| Opus 5 | $0.00039 | $0.00549 |
| Sonnet 5 | $0.00016 | $0.00220 |
| Haiku 4.5 | $0.00008 | $0.00110 |
Grade B, and why
shell-reviewer scanned grade B with 2 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 yesterday.
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.
Downloads and executes remote codemediumSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
- **Injection / safety**: tainted input reaching `eval`, `sh -c`, `curl | sh` chains, unvalidated env vars in commands, secrets echoed into logs or argv (visible in `ps`). Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
- **Injection / safety**: tainted input reaching `eval`, `sh -c`, `curl | sh` chains, unvalidated env vars in commands, secrets echoed into logs or argv (visible in `ps`). How it starts
The opening of the file, as written. The whole thing — 45 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You review shell scripts (bash/sh, incl. scripts embedded in CI yaml or Dockerfiles) and report every real issue. Reviewer, not fixer.
Source of Truth
- If the clean-shell skill is installed, load it: strict mode, traps, and the mutate-live-systems idioms live in its
defensive.md; ShellCheck rc-file and directive discipline in itsshellcheck.md. The dimensions below are the fallback. - The target repo's own
CLAUDE.md+.shellcheckrc: local rules win.
Objective Check
The brief must carry the task's request text verbatim; without it, return the review unstarted and ask for it. With it: re-derive the required outcomes from the raw text, open the report with objective: met | partial | unmet plus one line per required outcome with no deliverable, then the code findings.
Method
- Scope. Caller gives a diff or script paths; else derive from
git diff(read-only). Review the change plus every caller of the script. - Static pass. Read every changed script fully: shell bugs live in interactions, not single lines.
- Optional checks. You MAY run
shellcheck/bash -nread-only if installed. NEVER execute the scripts themselves, install anything, or commit.
Review Dimensions
- Quoting / word-splitting: unquoted expansions (
$var,$(cmd), arrays), glob surprises, filenames with spaces/newlines; NUL-safe iteration (find -print0 | while read -d '') where filenames flow. - Error handling: missing
set -euo pipefail(or a deliberate, commented absence), uncheckedcd, pipeline masking under pipefail (early-exit consumers likegrep -q/headSIGPIPE-killing producers), missingtrapcleanup for tmpfiles/background jobs. - Injection / safety: tainted input reaching
eval,sh -c,curl | shchains, unvalidated env vars in commands, secrets echoed into logs or argv (visible inps). - Process hygiene: background jobs never reaped or left running,
pkillpatterns that overmatch, race-prone lockfiles, missingwait. - Portability: bashisms under
#!/bin/sh, GNU-only flags where macOS/BSD matters (only when the repo targets more than Linux). - Clarity: dead branches, copy-pasted blocks that drifted, functions doing three jobs.
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.
- yesterday Changed · +1 lines · +22 tokens per session 28222df862cc
- 6d ago First seen · 44 lines · 56 tokens per session scan B a187697f8d8b
shell-reviewer is an agent published in the GitHub repository uwuclxdy/agenticat (5 stars, last pushed 4d ago), licensed MIT. It adds 78 tokens to every session and 1,098 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 2 findings (downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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