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development

Comprehensive web, mobile, and backend development workflow bundling frontend, backend, full-stack, and mobile development skills for end-to-end application delivery.

36

Quality

33%

Does it follow best practices?

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SecuritybySnyk

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tessl review fix ./skills/development/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

35%Scale 1-5

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

This skill reads more like a table of contents or project management checklist than actionable development guidance. It extensively lists skill names and generic development steps without providing any concrete implementation details, executable code, or specific technical guidance. The phased workflow structure is reasonable but lacks the validation checkpoints and feedback loops needed for a production deployment workflow.

Suggestions

Replace generic action lists (e.g., 'Design component architecture', 'Implement UI components') with concrete, executable guidance or remove them entirely—Claude already knows these are part of frontend development.

Add validation checkpoints between phases with specific commands or checks (e.g., 'Run `npm test -- --coverage` and verify >80% coverage before proceeding to Phase 7').

Either provide brief descriptions of what each referenced skill actually does (its unique value) or consolidate the skill lists into a simple lookup table to reduce repetition across phases.

Replace the 'Copy-Paste Prompts' sections with actual executable examples showing concrete inputs and expected outputs, rather than delegating everything to skill names.

DimensionReasoningScore

Conciseness

The skill is heavily padded with information Claude already knows—listing generic actions like 'Design component architecture,' 'Implement UI components,' and 'Set up version control' adds no value. The extensive enumeration of skill names and copy-paste prompts that are essentially just '@skill-name do X' is verbose without being informative.

2 / 5

Actionability

The content provides no executable code, no concrete commands, and no specific implementation details. The 'copy-paste prompts' are just vague natural language instructions like 'Use @app-builder to scaffold a new React + Node.js full-stack application' which delegate all actual work to other skills without explaining what those skills do or how to use them concretely.

2 / 5

Workflow Clarity

The 7-phase sequence is clearly laid out and logically ordered, and there is a quality gates checklist at the end. However, there are no validation checkpoints between phases, no feedback loops for error recovery, and the quality gates section is a single generic checklist rather than phase-specific validation. For a workflow involving deployment and database operations, the lack of explicit validation steps is a significant gap.

3 / 5

Progressive Disclosure

The content references many external skills by name, which implies a multi-file structure, but no bundle files are provided to verify these references exist. The SKILL.md itself is quite long (~200 lines) with repetitive structure across phases that could be condensed. The 'Technology-Specific Workflows' section is a reasonable attempt at navigation but just lists skill names without links or descriptions.

3 / 5

Total

10

/

20

Passed

Description

32%Scale 1-5

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 description is overly broad and abstract, reading more like a category label than a skill description. It lacks concrete actions, specific trigger terms, and any 'when to use' guidance, making it difficult for Claude to distinguish this skill from other development-related skills in a large skill library.

Suggestions

Add a 'Use when...' clause with specific trigger scenarios, e.g., 'Use when the user needs to build a complete application spanning frontend, backend, and/or mobile components in a single workflow.'

Replace abstract phrases like 'end-to-end application delivery' and 'workflow bundling' with concrete actions such as 'scaffolds project structures, creates API endpoints, builds UI components, configures database connections, sets up deployment pipelines.'

Clarify what distinguishes this bundled skill from individual frontend/backend/mobile skills — specify when to use this meta-skill versus the individual ones to reduce conflict risk.

DimensionReasoningScore

Specificity

Names the domain (web, mobile, backend development) but the actions are entirely generic — 'workflow bundling' and 'end-to-end application delivery' are abstract phrases, not concrete actions like 'creates REST APIs' or 'builds React components'.

2 / 5

Completeness

Has a vague 'what' (bundling development skills for end-to-end delivery) but completely lacks a 'when' clause. There is no explicit guidance on when Claude should select this skill, which per the rubric caps completeness at 3, and the 'what' itself is too abstract to merit even that.

2 / 5

Trigger Term Quality

Includes some relevant keywords like 'web', 'mobile', 'backend', 'frontend', 'full-stack' that users might naturally say, but misses specific terms like framework names, file types, or common user phrases like 'build an app', 'create a website', 'API', 'deploy'.

3 / 5

Distinctiveness Conflict Risk

The description is extremely broad — covering frontend, backend, full-stack, and mobile development — which would overlap with virtually any development-related skill. It describes itself as a bundle of other skills, making it highly likely to conflict with more specific development skills.

2 / 5

Total

9

/

20

Passed

Validation

90%

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

Validation10 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

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

Warning

Total

10

/

11

Passed

Repository
administrakt0r/AI-Agents-Safe-Coding-Skills
Reviewed

Table of Contents

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