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idempotency

100 / 100 · Low risk

Fine to try.

By tensology/decisionsai (GitHub) · other · 17 stars · scanned at commit 54239d8

Use when designing any operation that may be retried — HTTP POST endpoints, payment requests, webhook consumers, message handlers, async job enqueues, integration calls. Load before deciding whether an operation needs an idempotency key, how to generate the key, how long to keep replay state, or what to return on replay. Vocabulary (idempotency key, idempotent operation, replay, CIT, MIT) is established here; cross-references domain-vocabulary, payment-flows, webhooks, order-lifecycle.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'idempotency' ] || [ -L ~/.agents/skills/'idempotency' ]; then echo 'A skill folder named idempotency already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/tensology/decisionsai' "$d" && git -C "$d" checkout --quiet '54239d84419e02067dff05bf4e0bc208764604ed' -- 'distr/seed-corpus-pack/vendor/ecommerce-foundations/skills/idempotency' && mkdir -p ~/.agents/skills && cp -R "$d"/'distr/seed-corpus-pack/vendor/ecommerce-foundations/skills/idempotency' ~/.agents/skills/'idempotency' && 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/'idempotency' ~/.claude/skills/'idempotency' (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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