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default-deny-on-missing-config

85 / 100 · Low risk

Fine to try.

By jiayaoqijia/cryptoskill (GitHub) · other · 81 stars · scanned at commit 0dc9f60

Use when a missing env var, empty policy file or absent feature config could be read as "allow all" — makes absence resolve to deny and refuses to boot on required config.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'default-deny-on-missing-config' ] || [ -L ~/.agents/skills/'default-deny-on-missing-config' ]; then echo 'A skill folder named default-deny-on-missing-config already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/jiayaoqijia/cryptoskill' "$d" && git -C "$d" checkout --quiet '0dc9f60ab1f3fcae24da49c4cef09c46c589f903' -- 'skills/payments/0xklen-default-deny-on-missing-config' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/payments/0xklen-default-deny-on-missing-config' ~/.agents/skills/'default-deny-on-missing-config' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'default-deny-on-missing-config' ~/.claude/skills/'default-deny-on-missing-config' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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