aws-lambda-durable-functions

An agent skill by aws, from aws/agent-toolkit-for-aws. Tags: aws, lambda, orchestration, reliability, workflow.

What it does

Builds resilient, long-running, multi-step applications with AWS Lambda durable functions with automatic state persistence, retry logic, and orchestration for long-running executions. Covers the critical replay model, step operations, wait/callback patterns, error handling with saga pattern, testing with LocalDurableTestRunner. Triggers on phrases like lambda durable functions, durable execution, workflow orchestration, state machines, retry/checkpoint patterns, long-running stateful Lambda functions, saga pattern, human-in-the-loop callbacks, reliable serverless applications, context.step, context.wait, context.invoke, context.runInChildContext, withDurableExecution, DurableContext, UnrecoverableInvocationError, durable-execution-sdk, qualified ARN invocation, and durable handler replay.

Install

With the skills CLI, which installs into Claude Code, Codex, Cursor and other agents:

npx skills add aws/agent-toolkit-for-aws --skill aws-lambda-durable-functions

Or copy the skill folder into Claude Code's skills directory by hand (~/.claude/skills for every project, or .claude/skills inside one):

git clone --depth 1 https://github.com/aws/agent-toolkit-for-aws
cp -r agent-toolkit-for-aws/skills/specialized-skills/serverless-skills/aws-lambda-durable-functions ~/.claude/skills/aws-lambda-durable-functions

Safety box score

Not rated yet. A safety box score grades what a skill and its scripts can reach on the machine of whoever installs it, across eight categories from shell execution to secrets access. Anyone can request one from this page; it is saved for everyone. How the score works.

Source

Repository

aws/agent-toolkit-for-aws (all skills from this repository)

Path

skills/specialized-skills/serverless-skills/aws-lambda-durable-functions/SKILL.md

Branch

main

Updated

2026-09-19

Related skills

• aws-step-functions — Authors and edits AWS Step Functions state machines: writes Amazon States Language (ASL) in JSONata, and chooses and structures state types (Task, Choice, Map.
• aws-serverless — Builds, deploys, manages, debugs, configures, and optimizes serverless applications on AWS using Lambda, API Gateway, Step Functions, EventBridge, and SAM/CDK.
• aws-lambda-managed-instances — Evaluates, configures, and migrates workloads to AWS Lambda Managed Instances (LMI).
• aws-lambda-microvms — Builds, runs, debugs, and operates applications on AWS Lambda MicroVMs — Firecracker-isolated.
• connecting-lambda-to-api-gateway — Connects an existing AWS Lambda function to Amazon API Gateway by creating a REST or HTTP API with resource/method setup, Lambda proxy integration.
• connecting-lambda-to-dynamodb — Connects an AWS Lambda function to DynamoDB with IAM roles, stream event source mapping, and read/write permissions.