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Building multi-step durable Lambda functions v1.0.0

Use this resource to write durable Lambda workflows with steps, waits and recovery

New

  • 484 downloads
  • 167 likes
  • 180 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install lambda-durable-workflows-replay

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent writes the function handler following the replay model, with step, wait and callback operations, saga-style error handling and tests with LocalDurableTestRunner. It flags the rules whose violation breaks a function without a clear message.

Mostly picked by

Updated November 2, 2026

Card for the “Building multi-step durable Lambda functions” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • SKILL.md: critical rules, basic handler pattern and Python differences
  • references/: notes on step operations, waits, errors, testing and troubleshooting

Good fit for

  • A process must wait several days for a human approval
  • A chain of calls must resume where it stopped after a failure

Not for

    Tags

    • lambda
    • durable
    • workflow
    • saga
    • orchestration

    About

    You say

    “Write a durable Lambda function that books a flight, waits for human confirmation, then cancels the booking if it fails.”

    Card for the “Building multi-step durable Lambda functions” skill

    Skill published by aws under the Apache-2.0 license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to write durable Lambda workflows with steps, waits and recovery
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE10.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/advanced-error-handling.md5 KB
    • references/advanced-patterns.md10.7 KB
    • references/concurrent-operations.md8.8 KB
    • references/deployment-iac.md14.6 KB
    • references/error-handling.md11 KB
    • references/getting-started.md13.1 KB
    • references/replay-model-rules.md8.6 KB
    • references/step-operations.md8.7 KB
    • references/testing-patterns.md17.9 KB
    • references/troubleshooting-executions.md8.7 KB
    • references/wait-operations.md9.9 KB
    • SKILL.md9 KB

    Origin and licence

    Listed unmodified

    Author
    aws
    Source
    github.com/aws/agent-toolkit-for-aws/tree/b08b99f38098c30c0ee1a781accd8e349e5b145c/skills/specialized-skills/serverless-skills/aws-lambda-durable-functions
    Licence
    Apache-2.0

    Notice

    « aws-lambda-durable-functions » (aws, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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