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api-documenter

Master API documentation with OpenAPI 3.1.

28

Quality

21%

Does it follow best practices?

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SecuritybySnyk

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tessl review fix ./.agent/skills/api-documenter/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

20%

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 high-level blog post or checklist about API documentation best practices than an actionable skill for Claude. It lacks concrete, executable examples (no actual OpenAPI spec snippets, no schema templates, no command outputs), and most content restates general knowledge Claude already possesses. The validator script reference is the only concrete element, but it references a file that doesn't exist in the bundle.

Suggestions

Replace generic advice bullets with concrete, executable examples — e.g., provide a minimal but complete OpenAPI 3.1 spec template that Claude can copy and adapt.

Remove the role-playing preamble and motivational language; start directly with actionable instructions.

Add validation feedback loops to the Execution Protocol — what to do when validation fails, what common errors look like, and how to fix them.

Either provide the referenced validator script in the bundle or remove the reference; add concrete commands with expected outputs for each workflow step.

DimensionReasoningScore

Conciseness

The content is padded with role-playing preamble ('You are a Senior Technical Writer and API Architect'), unnecessary emoji, motivational language ('a delight for developers'), and explains concepts Claude already knows (what tags are, what OAuth2 is, what a changelog is). Most bullet points are generic advice rather than actionable instructions.

1 / 3

Actionability

Almost entirely vague, high-level advice ('Use JSON Schema to define every request and response precisely', 'Write How-to guides'). The only concrete command is the validator script, but there's no executable OpenAPI spec example, no schema template, no concrete code showing how to structure a spec. The guidance describes rather than instructs.

1 / 3

Workflow Clarity

The Execution Protocol section provides a numbered sequence (verify, generate, review, publish), and step 1 includes a concrete validation command. However, steps 2-4 are vague ('Use standard templates', 'Audit the documentation'), there are no feedback loops or error recovery steps, and no validation checkpoints beyond the initial spec check.

2 / 3

Progressive Disclosure

The content uses an internal menu with anchor links and organized sections, which provides some structure. However, there are no references to external files for detailed content (e.g., schema templates, example specs), and the referenced validator script path has no corresponding bundle file. Content that could be split out (like detailed schema examples) is simply absent rather than referenced.

2 / 3

Total

6

/

12

Passed

Description

22%

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 far too terse and vague to be effective for skill selection. It fails to specify what concrete actions the skill performs and provides no guidance on when Claude should select it. The only distinguishing element is the mention of 'OpenAPI 3.1', but this alone is insufficient for reliable skill matching.

Suggestions

List specific concrete actions the skill performs, e.g., 'Generate OpenAPI 3.1 specifications, define endpoints, create request/response schemas, validate API specs'.

Add an explicit 'Use when...' clause with natural trigger terms, e.g., 'Use when the user asks about API documentation, OpenAPI specs, Swagger files, REST API definitions, or .yaml/.json API schemas'.

Replace the vague verb 'Master' with actionable third-person verbs like 'Creates', 'Generates', 'Validates', or 'Edits'.

DimensionReasoningScore

Specificity

The description uses vague language ('Master API documentation') without listing any concrete actions like 'generate endpoints', 'validate schemas', or 'create request/response examples'.

1 / 3

Completeness

The 'what' is extremely vague ('Master API documentation') and there is no 'when' clause or explicit trigger guidance at all, which per the rubric should cap completeness at 2 at best—but since the 'what' is also weak, this scores a 1.

1 / 3

Trigger Term Quality

It includes some relevant keywords like 'API documentation' and 'OpenAPI 3.1', but misses common variations users might say such as 'swagger', 'REST API spec', 'API spec', 'endpoints', '.yaml', or 'schema'.

2 / 3

Distinctiveness Conflict Risk

The mention of 'OpenAPI 3.1' provides some specificity that distinguishes it from generic documentation skills, but 'API documentation' is broad enough to overlap with other API-related or documentation skills.

2 / 3

Total

6

/

12

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
Dokhacgiakhoa/antigravity-ide
Reviewed

Table of Contents

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