good-skill

A review skill for staged Python code changes that checks for common security problems. A staged diff is the set of changes selected for the next Git commit.

In plain words
What is it for?
Use it when preparing a Python change for commit or asking for a security review of staged changes. It looks for hardcoded secrets, SQL injection patterns, and unsafe deserialization.
Why use it?
It can catch exposed secrets, unsafe database-query patterns, and unsafe conversion of stored data before the changes are committed. This adds a focused security check to the commit workflow.

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/krishyaid-coder/doodle/good-skill
Any agent
npx skills add krishyaid-coder/doodle --skill good-skill
Clone the repo
git clone --depth 1 https://github.com/krishyaid-coder/doodle

Made for: Claude Code, Codex.

Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 127 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original 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 $0.00030 $0.00127
Opus 5 $0.00015 $0.00063
Sonnet 5 $0.00006 $0.00025
Haiku 4.5 $0.00003 $0.00013

Measured 3d ago against content hash e4e594d55264, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

good-skill 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 3d 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.

tests/fixtures/good-skill/SKILL.md · 21 lines

What it actually says

Good Skill

A clean reference skill with a tight description, concrete trigger phrasing, and a short body that stays under the soft cap.

What it does

Walks the staged diff line by line and flags common security smells: hardcoded secrets, SQL injection patterns, and unsafe deserialization.

How to invoke

Trigger this skill when the user is preparing to commit or asks for a security pass on staged changes.

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. 3d ago First seen · 21 lines · 30 tokens per session scan A e4e594d55264

Subscribe to this mod's changes

good-skill is a skill published in the GitHub repository krishyaid-coder/doodle (24 stars, last pushed 12d ago), licensed MIT. It adds 30 tokens to every session and 127 once invoked, about $0.0002 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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