write-script-bash

A set of instructions for writing Bash scripts. Bash is a command-line language commonly used to automate tasks on Unix-like systems.

In plain words
What is it for?
Writing Bash scripts.
Why use it?
It tells the agent which instructions to use when creating Bash automation.

Skill for Claude CodeCodex

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 skills/windmill-labs/windmill/write-script-bash
Any agent
npx skills add windmill-labs/windmill --skill write-script-bash
Clone the repo
git clone --depth 1 https://github.com/windmill-labs/windmill

Made for: Claude Code, Codex.

Per session 13 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,545 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 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 $0.00013 $0.01545
Opus 5 $0.00006 $0.00772
Sonnet 5 $0.00003 $0.00309
Haiku 4.5 $0.00001 $0.00154

Measured 2d ago against content hash ab9402ad109d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

write-script-bash 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 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.

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.

system_prompts/auto-generated/skills/write-script-bash/SKILL.md · 100 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 · 100 lines · 13 tokens per session scan A ab9402ad109d

Subscribe to this mod's changes

write-script-bash is a skill published in the GitHub repository windmill-labs/windmill (17,723 stars, last pushed 2d ago), with no licence file. It adds 13 tokens to every session and 1,545 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 2026-08-30.

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