AWS Lambda patterns using AWS SDK for Java 2.x. Use when invoking Lambda functions, creating/updating functions, managing function configurations, working with Lambda layers, or integrating Lambda with Spring Boot applications.
Install with Tessl CLI
npx tessl i github:giuseppe-trisciuoglio/developer-kit --skill aws-sdk-java-v2-lambda84
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 uses third person voice, provides specific concrete actions, includes natural trigger terms developers would use, and has an explicit 'Use when' clause. The combination of AWS Lambda, Java SDK 2.x, and Spring Boot creates a distinctive niche that minimizes conflict risk with other skills.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'invoking Lambda functions, creating/updating functions, managing function configurations, working with Lambda layers, integrating Lambda with Spring Boot applications' - these are clear, actionable capabilities. | 3 / 3 |
Completeness | Clearly answers both what ('AWS Lambda patterns using AWS SDK for Java 2.x') and when ('Use when invoking Lambda functions, creating/updating functions...') with explicit trigger guidance using the 'Use when' clause. | 3 / 3 |
Trigger Term Quality | Includes natural keywords users would say: 'AWS Lambda', 'Lambda functions', 'Lambda layers', 'Spring Boot', 'AWS SDK', 'Java 2.x' - good coverage of technical terms developers would naturally use when seeking this skill. | 3 / 3 |
Distinctiveness Conflict Risk | Highly distinctive with clear niche: specifically targets AWS Lambda + Java SDK 2.x + Spring Boot integration. The combination of AWS Lambda, Java 2.x SDK, and Spring Boot creates a unique, non-conflicting scope. | 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 solid, actionable skill with comprehensive executable code examples covering Lambda operations and Spring Boot integration. The main weaknesses are some verbosity in introductory sections and missing validation/verification steps for multi-step operations like function deployment. The structure and progressive disclosure are well-executed.
Suggestions
Remove the 'Overview' paragraph explaining what Lambda is - Claude already knows this
Add validation steps after updateFunctionCode and createFunction (e.g., wait for function state to be Active before proceeding)
Trim the 'When to Use' section or remove it entirely since the description already covers this
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill includes some unnecessary explanations (e.g., 'AWS Lambda is a compute service that runs code without the need to manage servers') and the 'When to Use' section largely duplicates information Claude would infer. The best practices section is a generic list that adds limited value. | 2 / 3 |
Actionability | The skill provides fully executable, copy-paste ready code examples for all major operations including synchronous/async invocation, function management, Spring Boot integration, and error handling. Code is complete with proper imports and method signatures. | 3 / 3 |
Workflow Clarity | While individual operations are clear, there's no explicit workflow for multi-step processes like creating and deploying a function. Missing validation checkpoints for operations like updateFunctionCode (should verify deployment succeeded) or createFunction (should wait for function to be active). | 2 / 3 |
Progressive Disclosure | The skill has a clear structure with a quick overview, detailed sections for each operation type, and appropriate references to external files (references/official-documentation.md, references/examples.md) for deeper content. Navigation is straightforward with one-level-deep references. | 3 / 3 |
Total | 10 / 12 Passed |
Validation
68%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 11 / 16 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
skill_md_line_count | SKILL.md is long (508 lines); consider splitting into references/ and linking | Warning |
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 | 11 / 16 Passed | |
Table of Contents
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