Individual skill

rust-idempotent-workflows

Use when designing, implementing, testing, or debugging Rust service workflows that must be safe under retries, duplicate requests, crashes, concurrent submissions, background workers, queues, email/payment/notification side effects, idempotency keys, transaction isolation, or save-and-replay API behavior.

plugins/LVTD-LLC/skills/skills/rust-idempotent-workflows/SKILL.md

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Last checked: Nov 4, 2026

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Repository stars (not skill ratings): 1,532
Repository last updated: Nov 6, 2026
License: Apache-2.0

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SKILL.mdcore · 3,227 bytes
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references/background-workers.mddoc · 1,311 bytes
references/concurrency.mddoc · 1,189 bytes
references/idempotency.mddoc · 1,365 bytes

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# Rust Idempotent Workflows

Use this skill to make Rust workflows reliable when clients retry, workers
crash, requests race, and external side effects cannot be rolled back.

## Core Workflow

1. Write the failure story before writing code. List what happens if the process
   crashes after each database write and after each external side effect.
2. Identify the idempotency boundary: HTTP endpoint, command handler, queue job,
   webhook, or external callback.
3. Choose the idempotency strategy:
   - Natural idempotency from a unique business key.
   - Client-provided idempotency key with save-and-replay.