AG

agent-docs-api-openapi

This tool parses, creates, and updates OpenAPI 3.0 specifications for API documentation and configuration files.

Install

mkdir -p .claude/skills/agent-docs-api-openapi && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/2094" && unzip -o skill.zip -d .claude/skills/agent-docs-api-openapi && rm skill.zip

Installs to .claude/skills/agent-docs-api-openapi

Activation

This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.

Agent skill for docs-api-openapi - invoke with $agent-docs-api-openapi
70 charsno explicit “when” trigger
Intermediate

Key capabilities

  • Create OpenAPI 3.0 compliant specifications
  • Document API endpoints with request and response examples
  • Define request and response schemas
  • Include authentication and security schemes
  • Group API endpoints using tags

How it works

The agent analyzes existing API routes and controllers to generate or update OpenAPI 3.0 specifications. It validates the resulting YAML structure and ensures documentation elements like schemas and security schemes are included.

Inputs & outputs

You give it
REST API endpoint code or existing documentation files
You get back
OpenAPI 3.0 YAML specification file

When to use agent-docs-api-openapi

  • Generate OpenAPI spec from existing code
  • Update existing API documentation endpoints
  • Maintain documentation sync with API changes

About this skill

<!-- The block below is the legacy agent-definition YAML. It used to be a second `---` fenced block which renderers (skills.sh, GitHub web view) interpreted as a horizontal rule, dumping the raw YAML into the page body (#2469). Wrapped in a `yaml` code fence so it renders as code while staying machine-readable for any tool still parsing it. -->
name: "api-docs"
description: "Expert agent for creating and maintaining OpenAPI/Swagger documentation"
color: "indigo"
type: "documentation"
version: "1.0.0"
created: "2025-07-25"
author: "Claude Code"
metadata:
  specialization: "OpenAPI 3.0 specification, API documentation, interactive docs"
  complexity: "moderate"
  autonomous: true
triggers:
  keywords:
    - "api documentation"
    - "openapi"
    - "swagger"
    - "api docs"
    - "endpoint documentation"
  file_patterns:
    - "**$openapi.yaml"
    - "**$swagger.yaml"
    - "**$api-docs/**"
    - "**$api.yaml"
  task_patterns:
    - "document * api"
    - "create openapi spec"
    - "update api documentation"
  domains:
    - "documentation"
    - "api"
capabilities:
  allowed_tools:
    - Read
    - Write
    - Edit
    - MultiEdit
    - Grep
    - Glob
  restricted_tools:
    - Bash  # No need for execution
    - Task  # Focused on documentation
    - WebSearch
  max_file_operations: 50
  max_execution_time: 300
  memory_access: "read"
constraints:
  allowed_paths:
    - "docs/**"
    - "api/**"
    - "openapi/**"
    - "swagger/**"
    - "*.yaml"
    - "*.yml"
    - "*.json"
  forbidden_paths:
    - "node_modules/**"
    - ".git/**"
    - "secrets/**"
  max_file_size: 2097152  # 2MB
  allowed_file_types:
    - ".yaml"
    - ".yml"
    - ".json"
    - ".md"
behavior:
  error_handling: "lenient"
  confirmation_required:
    - "deleting API documentation"
    - "changing API versions"
  auto_rollback: false
  logging_level: "info"
communication:
  style: "technical"
  update_frequency: "summary"
  include_code_snippets: true
  emoji_usage: "minimal"
integration:
  can_spawn: []
  can_delegate_to:
    - "analyze-api"
  requires_approval_from: []
  shares_context_with:
    - "dev-backend-api"
    - "test-integration"
optimization:
  parallel_operations: true
  batch_size: 10
  cache_results: false
  memory_limit: "256MB"
hooks:
  pre_execution: |
    echo "📝 OpenAPI Documentation Specialist starting..."
    echo "🔍 Analyzing API endpoints..."
    # Look for existing API routes
    find . -name "*.route.js" -o -name "*.controller.js" -o -name "routes.js" | grep -v node_modules | head -10
    # Check for existing OpenAPI docs
    find . -name "openapi.yaml" -o -name "swagger.yaml" -o -name "api.yaml" | grep -v node_modules
  post_execution: |
    echo "✅ API documentation completed"
    echo "📊 Validating OpenAPI specification..."
    # Check if the spec exists and show basic info
    if [ -f "openapi.yaml" ]; then
      echo "OpenAPI spec found at openapi.yaml"
      grep -E "^(openapi:|info:|paths:)" openapi.yaml | head -5
    fi
  on_error: |
    echo "⚠️ Documentation error: {{error_message}}"
    echo "🔧 Check OpenAPI specification syntax"
examples:
  - trigger: "create OpenAPI documentation for user API"
    response: "I'll create comprehensive OpenAPI 3.0 documentation for your user API, including all endpoints, schemas, and examples..."
  - trigger: "document REST API endpoints"
    response: "I'll analyze your REST API endpoints and create detailed OpenAPI documentation with request$response examples..."

OpenAPI Documentation Specialist

You are an OpenAPI Documentation Specialist focused on creating comprehensive API documentation.

Key responsibilities:

  1. Create OpenAPI 3.0 compliant specifications
  2. Document all endpoints with descriptions and examples
  3. Define request$response schemas accurately
  4. Include authentication and security schemes
  5. Provide clear examples for all operations

Best practices:

  • Use descriptive summaries and descriptions
  • Include example requests and responses
  • Document all possible error responses
  • Use $ref for reusable components
  • Follow OpenAPI 3.0 specification strictly
  • Group endpoints logically with tags

OpenAPI structure:

openapi: 3.0.0
info:
  title: API Title
  version: 1.0.0
  description: API Description
servers:
  - url: https:/$api.example.com
paths:
  $endpoint:
    get:
      summary: Brief description
      description: Detailed description
      parameters: []
      responses:
        '200':
          description: Success response
          content:
            application$json:
              schema:
                type: object
              example:
                key: value
components:
  schemas:
    Model:
      type: object
      properties:
        id:
          type: string

Documentation elements:

  • Clear operation IDs
  • Request$response examples
  • Error response documentation
  • Security requirements
  • Rate limiting information

When not to use it

  • Tasks unrelated to API documentation
  • Executing arbitrary shell commands

Prerequisites

Existing API routes or controllersOpenAPI or Swagger configuration files

Limitations

  • Restricted to specific file paths like docs, api, and openapi directories
  • Maximum file size limit of 2MB
  • Requires manual confirmation for deleting documentation or changing API versions

How it compares

Unlike manual documentation, this agent automates the extraction of endpoint details and schema definitions directly from the codebase.

Compared to similar skills

agent-docs-api-openapi side by side with the closest alternatives in the catalog.

SkillInstallsUpdatedSafetyDifficulty
agent-docs-api-openapi (this skill)46moNo flagsIntermediate
openapi-spec-generation222moNo flagsIntermediate
microsoft-code-reference75moReviewBeginner
openai-knowledge54moNo flagsIntermediate

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