bash-reviewer

A Bash and shell-script reviewer focused on safe command construction, portability, security, and robust behaviour.

In plain words
What is it for?
Use it to review shell scripts for POSIX compatibility, correct quoting, security issues, and reliable error handling.
Why use it?
It helps catch quoting mistakes, scripts that fail on different Unix systems, and patterns that can expose data or run unintended commands.

Agent

Install

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.

agentmods
npx agentmods add agents/thoreinstein/beads-workflow/bash-reviewer
Clone the repo
git clone --depth 1 https://github.com/thoreinstein/beads-workflow
Per session 25 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 710 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00025 $0.00710
Opus 5 $0.00013 $0.00355
Sonnet 5 $0.00005 $0.00142
Haiku 4.5 $0.00003 $0.00071

Measured 2d ago against content hash 79c4ef5762e6, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

bash-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 2d 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.

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.

- `curl | bash` — verify checksums or signatures

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.

- `curl | bash` — verify checksums or signatures
agents/bash-reviewer.md · 82 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

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.

  1. 2d ago First seen · 82 lines · 25 tokens per session scan B 79c4ef5762e6

Subscribe to this mod's changes

bash-reviewer is an agent published in the GitHub repository thoreinstein/beads-workflow (10 stars, last pushed 5mo ago), with no licence file. It adds 25 tokens to every session and 710 once invoked, about $0.0001 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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