dynamodb

AWS DynamoDB NoSQL database for scalable data storage. Use when designing table schemas, writing queries, configuring indexes, managing capacity, implementing single-table design, or troubleshooting performance issues.

1.00x

Quality

75%

Does it follow best practices?

Impact

93%

1.00x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/dynamodb/SKILL.md

Evaluation results

100%

E-Commerce Platform: Product Catalog and Order History

Single-table design and query patterns

Criteria

Without context

With context

boto3.resource usage

100%

Key/Attr imports

100%

Entity type prefixes

100%

Composite keys

100%

SK begins_with grouping

100%

GSI defined

100%

PAY_PER_REQUEST billing

100%

Prefer query over scan

100%

ProjectionExpression used

100%

ExpressionAttributeNames escaping

100%

ScanIndexForward for ordering

100%

Access patterns documented

100%

95%

-2%

Auth Service: User Session Store

TTL, conditional writes, and pagination

Criteria

Without context

With context

boto3.resource usage

100%

TTL Unix timestamp

100%

TTL attribute enabled

100%

Conditional write for uniqueness

100%

ExpressionAttributeNames escaping

62%

37%

Paginated retrieval

100%

FilterExpression post-read awareness

100%

ScanIndexForward=False for recent sessions

100%

Key/Attr conditions

100%

PAY_PER_REQUEST billing

100%

ConditionalCheckFailedException handled

100%

84%

Gaming Platform: Real-Time Score Tracking and Leaderboard

Write sharding, retry config, and batch operations

Criteria

Without context

With context

Write sharding implemented

100%

Shard aggregation on read

100%

Adaptive retry config

100%

Batch writer used

100%

Batch get used

Transaction for atomic update

100%

Query not scan

100%

boto3.resource usage

100%

Key/Attr conditions

100%

Sparse index for leaderboard

100%

PAY_PER_REQUEST billing

Repository: itsmostafa/aws-agent-skills
Commit: 5df6da7

Evaluated: 29 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

E-Commerce Platform: Product Catalog and Order History Auth Service: User Session Store Gaming Platform: Real-Time Score Tracking and Leaderboard

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.