async-programming
Concurrent operations with asyncio and Tokio, focusing on race condition prevention, resource safety, and performance
68
58%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Advisory
Suggest reviewing before use
Optimize this skill with Tessl
npx tessl skill review --optimize ./skills/async-programming/SKILL.mdQuality
Discovery
32%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
The description identifies a clear technical domain (async programming in Python and Rust) with relevant focus areas, but lacks actionable specificity about what concrete tasks it performs. The absence of a 'Use when...' clause significantly weakens its utility for skill selection, and the trigger terms could be expanded to capture more natural user language.
Suggestions
Add a 'Use when...' clause with explicit triggers like 'Use when implementing async/await patterns, debugging race conditions, or working with asyncio or Tokio frameworks'
List specific concrete actions such as 'implement async handlers, debug deadlocks, manage shared state, optimize concurrent performance'
Expand trigger terms to include common variations: 'async', 'await', 'parallel processing', 'deadlock', 'mutex', 'futures', 'coroutines'
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Names the domain (concurrent operations with asyncio and Tokio) and mentions focus areas (race condition prevention, resource safety, performance), but doesn't list specific concrete actions like 'implement async/await patterns' or 'debug deadlocks'. | 2 / 3 |
Completeness | Describes what the skill covers (concurrent operations focusing on certain aspects) but completely lacks any 'Use when...' clause or explicit trigger guidance for when Claude should select this skill. | 1 / 3 |
Trigger Term Quality | Includes relevant technical terms like 'asyncio', 'Tokio', 'race condition', and 'concurrent' that users might mention, but misses common variations like 'async', 'await', 'parallel', 'threading', 'deadlock', or 'mutex'. | 2 / 3 |
Distinctiveness Conflict Risk | The mention of specific frameworks (asyncio, Tokio) provides some distinctiveness, but 'concurrent operations' and 'performance' are broad enough to potentially overlap with general Python/Rust skills or other performance-related skills. | 2 / 3 |
Total | 7 / 12 Passed |
Implementation
85%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a strong skill with excellent actionability through concrete, executable code examples and clear workflow guidance with TDD methodology. The progressive disclosure is well-handled with appropriate references to external files. The main weakness is some verbosity in meta-sections (validation gates, risk justifications) that don't add value for Claude's execution.
Suggestions
Remove the 'Validation Gates' section (Gate 0.1, 0.2, 0.11) - this is process documentation that doesn't help Claude execute the skill
Condense the Overview section by removing the risk level justification paragraph - Claude doesn't need explanation of why async is risky
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill contains some unnecessary verbosity like the validation gates section and repeated summaries. The core patterns are well-presented but could be tighter - the overview section explains risk levels and justifications that Claude doesn't need. | 2 / 3 |
Actionability | Excellent executable code examples throughout - the TDD workflow, performance patterns, and implementation patterns all provide copy-paste ready Python code with clear BAD/GOOD comparisons that make the correct approach immediately actionable. | 3 / 3 |
Workflow Clarity | Clear multi-step TDD workflow with explicit phases (write test → implement → refactor → verify). The pre-implementation checklist provides explicit validation checkpoints, and the decision framework table gives clear guidance for different situations. | 3 / 3 |
Progressive Disclosure | Well-organized with clear file structure at the top pointing to references/security-examples.md and references/advanced-patterns.md. Main content is appropriately scoped with detailed examples inline and advanced topics referenced externally. | 3 / 3 |
Total | 11 / 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 (504 lines); consider splitting into references/ and linking | Warning |
description_trigger_hint | Description may be missing an explicit 'when to use' trigger hint (e.g., 'Use when...') | 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 | |
- Repository
- martinholovsky/claude-skills-generator
- Commit
1086ef2
- Reviewed
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