debugging-lambda-timeouts

An agent skill by aws, from aws/agent-toolkit-for-aws. Tags: aws, debugging, lambda, performance, troubleshooting.

What it does

Debugs AWS Lambda function timeout failures by systematically analyzing function configuration, CloudWatch logs and metrics, VPC/networking, cold starts, memory constraints, and downstream dependencies to identify root causes with actionable fixes. Use when a Lambda function is timing out or approaching its timeout limit.

Install

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

npx skills add aws/agent-toolkit-for-aws --skill debugging-lambda-timeouts

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/debugging-lambda-timeouts ~/.claude/skills/debugging-lambda-timeouts

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/debugging-lambda-timeouts/SKILL.md

Branch

main

Updated

2026-09-19

Related skills

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• aws-lambda-managed-instances — Evaluates, configures, and migrates workloads to AWS Lambda Managed Instances (LMI).
• managing-amazon-msk — Operates Amazon MSK Provisioned clusters (Standard and Express brokers).
• troubleshooting-application-failures — Troubleshoots failing applications by discovering and analyzing CloudWatch log groups to identify error patterns, root causes, and actionable solutions.
• troubleshooting-efs — Diagnoses and resolves Amazon EFS issues including mount failures, NFS timeouts, permission errors, throughput problems, and burst credit exhaustion.