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flow-security

77 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a security skill usually runs scanners and checks websites.

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

Audits multi-step business flows for vulnerabilities that are invisible when endpoints are checked in isolation — order/payment/invoice state-machine violations, cross-step data provenance (stale or client-supplied totals at terminal steps), chained/association IDOR (ownership through entity joins), replay and duplication across steps, step-skipping via direct access, post-payment mutation, amount drift, and privilege transitions between hops. Use when the app has stateful workflows (checkout, …

Works with any agent that supports SKILL.md skills.

What this skill can do

Safer alternatives

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Install

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

if [ -e ~/.agents/skills/'flow-security' ] || [ -L ~/.agents/skills/'flow-security' ]; then echo 'A skill folder named flow-security 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 "$d" checkout --quiet '0dc9f60ab1f3fcae24da49c4cef09c46c589f903' -- 'skills/chains/ashrafiucse-flow-security' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/chains/ashrafiucse-flow-security' ~/.agents/skills/'flow-security' && 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/'flow-security' ~/.claude/skills/'flow-security' (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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Score history