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cc-skill-backend-patterns

Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.

29

Quality

23%

Does it follow best practices?

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SecuritybySnyk

Passed

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Fix and improve this skill with Tessl

tessl review fix ./plugins/antigravity-awesome-skills/skills/cc-skill-backend-patterns/SKILL.md

The canonical home for this skill is cc-skill-backend-patterns in sickn33/agentic-awesome-skills

SKILL.md
Quality
Evals
Security

Quality

Content

14%Scale 1-3

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This skill is essentially a generic backend patterns reference guide that covers topics Claude already knows thoroughly (REST APIs, repository pattern, caching, error handling, auth, rate limiting, queues, logging). It provides no project-specific context, no workflows, and no progressive disclosure. The massive token cost provides minimal value beyond what Claude can generate from its training data.

Suggestions

Drastically reduce content to only project-specific patterns, conventions, or configurations that Claude wouldn't already know (e.g., specific database schema, custom middleware chain, project-specific error codes).

Add a clear workflow section with sequenced steps and validation checkpoints for common backend tasks in this specific project (e.g., 'Adding a new API endpoint: 1. Create route → 2. Add validation → 3. Test with curl → 4. Verify response schema').

Split detailed pattern implementations into separate reference files (e.g., CACHING.md, AUTH.md) and keep SKILL.md as a concise overview with links.

Remove generic patterns like basic REST conventions, N+1 prevention, and exponential backoff that Claude already knows—focus on project-specific implementations and constraints.

DimensionReasoningScore

Conciseness

Extremely verbose at ~400+ lines covering many patterns Claude already knows well (repository pattern, middleware, JWT auth, rate limiting, logging, queues). These are standard backend patterns documented extensively in training data. The skill reads like a textbook chapter rather than project-specific guidance that adds new information.

1 / 3

Actionability

Code examples are mostly concrete and executable TypeScript, which is good. However, many are incomplete (e.g., '// Other methods...', '// Job execution logic', '// Vector search implementation') and the skill lacks specific project context—it's generic patterns rather than actionable guidance tied to a specific codebase or task.

2 / 3

Workflow Clarity

There is no sequenced workflow or multi-step process. The content is a catalog of independent patterns with no guidance on when to apply them, in what order, or how to validate results. No validation checkpoints or feedback loops are present for any of the patterns shown.

1 / 3

Progressive Disclosure

The entire content is a monolithic wall of code examples with no references to external files and no layered structure. All patterns are dumped inline at the same level of detail with no clear navigation hierarchy or separation of overview from deep-dive content.

1 / 3

Total

5

/

12

Passed

Description

32%Scale 1-3

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 reasonable domain and names specific technologies (Node.js, Express, Next.js), which provides some distinctiveness. However, it lacks a 'Use when...' clause entirely, relies on high-level category names rather than concrete actions, and misses common trigger term variations that users would naturally use when seeking backend development help.

Suggestions

Add an explicit 'Use when...' clause, e.g., 'Use when the user asks about building APIs, designing REST endpoints, optimizing database queries, or configuring Express/Next.js server-side logic.'

Replace high-level categories with concrete actions, e.g., 'Designs RESTful and GraphQL APIs, optimizes database queries, implements authentication middleware, structures Express routes and Next.js API handlers.'

Include more natural trigger terms users would say, such as 'REST', 'GraphQL', 'middleware', 'server-side rendering', 'endpoint', 'SQL', 'MongoDB', 'authentication'.

DimensionReasoningScore

Specificity

Names the domain (backend development) and some actions/areas like 'API design', 'database optimization', and 'architecture patterns', but these are still fairly high-level categories rather than concrete specific actions like 'design RESTful endpoints' or 'optimize SQL queries'.

2 / 3

Completeness

Describes what the skill covers at a high level but completely lacks a 'Use when...' clause or any explicit trigger guidance for when Claude should select this skill. Per the rubric, a missing 'Use when...' clause caps completeness at 2, and the 'what' is also only moderately defined, placing this at 1.

1 / 3

Trigger Term Quality

Includes some relevant keywords users might say like 'API design', 'Node.js', 'Express', 'Next.js API routes', and 'database optimization', but misses common variations like 'REST', 'GraphQL', 'middleware', 'routing', 'MongoDB', 'PostgreSQL', 'server', or 'endpoint'.

2 / 3

Distinctiveness Conflict Risk

The mention of specific technologies (Node.js, Express, Next.js API routes) helps narrow the scope, but terms like 'backend architecture patterns' and 'best practices' are broad enough to overlap with general coding, architecture, or full-stack development skills.

2 / 3

Total

7

/

12

Passed

Validation

81%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 9 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

skill_md_line_count

SKILL.md is long (594 lines); consider splitting into references/ and linking

Warning

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

9

/

11

Passed

Repository
popey/claude-code-skills
Reviewed

Table of Contents

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