aws-sdk-java-v2-dynamodb
Amazon DynamoDB patterns using AWS SDK for Java 2.x. Use when creating, querying, scanning, or performing CRUD operations on DynamoDB tables, working with indexes, batch operations, transactions, or integrating with Spring Boot applications.
Install with Tessl CLI
npx tessl i github:giuseppe-trisciuoglio/developer-kit --skill aws-sdk-java-v2-dynamodb84
Quality
86%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Quality
Discovery
100%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
This is a well-crafted skill description that excels across all dimensions. It clearly identifies the technology stack (DynamoDB, AWS SDK for Java 2.x), lists comprehensive concrete actions (CRUD, queries, scans, indexes, batch operations, transactions), and includes an explicit 'Use when...' clause with natural trigger terms developers would actually use.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'creating, querying, scanning, or performing CRUD operations on DynamoDB tables, working with indexes, batch operations, transactions, or integrating with Spring Boot applications.' | 3 / 3 |
Completeness | Clearly answers both what ('Amazon DynamoDB patterns using AWS SDK for Java 2.x') and when ('Use when creating, querying, scanning...') with explicit trigger guidance using the 'Use when...' clause. | 3 / 3 |
Trigger Term Quality | Excellent coverage of natural terms users would say: 'DynamoDB', 'AWS SDK', 'Java', 'CRUD operations', 'indexes', 'batch operations', 'transactions', 'Spring Boot' - all terms developers naturally use when working with this technology. | 3 / 3 |
Distinctiveness Conflict Risk | Highly distinctive with clear niche: specifically targets DynamoDB + Java 2.x SDK + Spring Boot integration. The combination of technology stack (AWS DynamoDB, Java SDK 2.x, Spring Boot) creates a unique fingerprint unlikely to conflict with other skills. | 3 / 3 |
Total | 12 / 12 Passed |
Implementation
72%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a well-structured, highly actionable skill with excellent code examples covering the full range of DynamoDB operations. The progressive disclosure is exemplary with clear navigation to reference materials. Main weaknesses are some verbosity in explanatory sections and missing validation/error-handling workflows for batch and transactional operations.
Suggestions
Remove or significantly condense the 'When to Use' section since it duplicates the skill description metadata
Trim the 'Best Practices' list to only non-obvious, DynamoDB-specific guidance that Claude wouldn't already know
Add explicit error handling and retry logic examples for batch operations and transactions, showing the feedback loop for ProvisionedThroughputExceeded
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is mostly efficient with good code examples, but includes some unnecessary content like the 'When to Use' section that largely duplicates the description, and the 10-item best practices list contains generic advice Claude already knows (e.g., 'avoid scans', 'use proper error handling'). | 2 / 3 |
Actionability | Provides fully executable, copy-paste ready code examples throughout - from client setup to CRUD operations, queries, batch operations, transactions, Spring Boot integration, and testing. All examples are complete with proper imports and realistic usage patterns. | 3 / 3 |
Workflow Clarity | Steps are presented clearly for individual operations, but lacks explicit validation checkpoints for potentially risky operations like batch writes or transactions. No feedback loops for error recovery (e.g., handling ProvisionedThroughputExceeded is mentioned but not demonstrated). | 2 / 3 |
Progressive Disclosure | Excellent structure with a clear overview and well-signaled one-level-deep references to detailed materials (entity-mapping.md, advanced-operations.md, spring-boot-integration.md, testing-strategies.md). Content is appropriately split between quick-start patterns in the main file and advanced topics in references. | 3 / 3 |
Total | 10 / 12 Passed |
Validation
75%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 12 / 16 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
allowed_tools_field | 'allowed-tools' contains unusual tool name(s) | Warning |
metadata_version | 'metadata' field is not a dictionary | Warning |
license_field | 'license' field is missing | Warning |
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 12 / 16 Passed | |
- Reviewed
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