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AWS DynamoDB Practical Guide

A hands-on DynamoDB reference skill for schema design, queries, indexes, capacity and performance troubleshooting with CLI and boto3 examples.

Dev & CodingIntermediate★ 1,159⑂ 442AI score 8/10Last updated: Sep 15, 2026

What it does

  • Summarizes core concepts — partition/sort keys, GSI vs LSI, on-demand vs provisioned capacity — in quick comparison tables.
  • Ships ready-to-use snippets for table creation, CRUD, queries (sort-key conditions, filters, projections, pagination), batch operations, conditional writes and optimistic locking.
  • Provides troubleshooting playbooks for throttling, hot partitions, empty query results and slow scans, including CloudWatch and parallel-scan recipes.
  • Lists modeling, performance and cost best practices such as single-table design, sparse indexes, TTL and S3 archiving.

Who it's for

  • Backend/serverless engineers on AWS designing their first DynamoDB schema.
  • Developers who use boto3 or the AWS CLI and keep re-googling command syntax.
  • Operators diagnosing latency, throttling or runaway DynamoDB costs.

Examples

  1. "Model users and orders in one table" → get PK/SK patterns plus a create-table command.
  2. "I need to look users up by email" → get the update-table call that adds an email GSI and the matching query code.
  3. "I keep hitting ProvisionedThroughputExceededException" → get CloudWatch commands to spot hot partitions and an adaptive retry config.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/itsmostafa/aws-agent-skills/HEAD/skills/dynamodb/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the skills/dynamodb folder from the GitHub repo itsmostafa/aws-agent-skills into my ~/.claude/skills/dynamodb/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/itsmostafa/aws-agent-skills.git /tmp/aws-agent-skills && mkdir -p ~/.claude/skills && cp -r /tmp/aws-agent-skills/skills/dynamodb ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repo: git clone https://github.com/itsmostafa/aws-agent-skills.git
  3. Create the skills folder: mkdir -p ~/.claude/skills
  4. Copy the skill: cp -r aws-agent-skills/skills/dynamodb ~/.claude/skills/
  5. Prepare prerequisites: pip install boto3, install the AWS CLI, then run aws configure with credentials that have DynamoDB permissions.
  6. Restart Claude Code and ask something like "help me design a DynamoDB table" to trigger the skill.
View source on GitHub ↗License: MIT