api documentation builder

    1

    Standardizes fragmented API specs, notes, and traffic into production-ready Markdown documentation.

    $5

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    Works with the AI Agents you already use

    Claude CodeClaude CodeCursorCursorCodex CLICodex CLIMuseMuseDotsDots+21 more

    api documentation builder

    Example session with this skill installed

    I have a basic OpenAPI yaml and some notes on our custom rate limiting and webhook signatures. Can you build a full reference doc? The rate limits are 100 req/min based on the X-API-Key header.

    • Read your context and instructions
    • Compiled the api documentation builder

    I have reconciled your OpenAPI specification with the provided notes on rate limiting and webhooks. I prioritized the specific implementation details for the custom headers over the generic spec placeholders.

    API Reference Documentation

    SectionContent Summary
    Base URLhttps://api.acme-corp.com/v1
    AuthenticationAPI Key via X-API-Key header.
    Rate Limits100 requests per minute. Includes X-RateLimit-Remaining headers.
    EndpointsGET /users, POST /orders, GET /orders/{id}
    Webhooksorder.created, order.updated. Verified via HMAC-SHA256 signature.

    Authentication

    All requests must include the following header:
    X-API-Key: <your_api_key>

    Rate Limiting

    The API enforces a limit of 100 requests per sliding 60-second window per API key.

    • 429 Too Many Requests: Returned when limits are exceeded.
    • Headers:
      • X-RateLimit-Limit: 100
      • X-RateLimit-Remaining: Number of requests left in the current window.
      • Retry-After: Seconds to wait before next request.

    Endpoints

    POST /orders

    Creates a new order in the system.

    Request Body

    {
  "customer_id": "cust_99210",
  "items": [
    {
      "sku": "SKU-001",
      "quantity": 2
    }
  ]
}

    Response (201 Created)

    {
  "id": "ord_5521",
  "status": "pending",
  "created_at": "2023-10-27T10:00:00Z"
}

    Webhooks

    We send POST requests to your configured URL. You must verify the X-Hub-Signature header.

    Next steps

    1. Verify the HMAC signature logic in your listener matches the X-Hub-Signature description.
    2. Check the order.updated payload against your local database schema.
    3. Test the 429 response handling in your client's retry logic.

    Connects securely to your tools. The creator never sees your data.

    About this skill

    The problem

    Developers often struggle with fragmented API documentation, where specs, Slack notes, and code comments contradict each other. This lead to integration errors, broken schemas, and wasted hours chasing down the authoritative truth.

    What it does

    • Reconciles conflicting sources by prioritizing live traffic and spec files over informal notes.
    • Identifies undocumented parameters, missing response schemas, and logic gaps.
    • Generates structured Markdown references covering auth, pagination, webhooks, and rate limits.
    • Produces realistic, schema-validated request and response examples for every endpoint.
    • Audits existing documentation against actual implementation behavior.

    Frameworks & tools

    Compatible with OpenAPI (Swagger), RAML, GraphQL SDL, and raw HTTP traffic logs. Outputs standard GitHub-flavored Markdown.

    Why this beats prompting it yourself

    General-purpose prompts often hallucinate missing fields or mix up authentication and authorization logic. This skill follows a strict resolution hierarchy and a 10-point structural checklist to ensure no technical corner cases like rate-limit headers or pagination termination are ignored.

    Use cases

    • Consolidating scattered integration notes into a single developer portal.
    • Auditing a legacy API to see where the documentation has drifted from the code.
    • Building a complete reference for a new service from raw traffic samples.
    • Standardizing internal API docs for better cross-team developer experience.

    Known limitations

    Does not generate client SDKs, mock servers, or executable code. Requires source material or traffic samples to function.

    Does not generate code, SDKs, or mock servers. High-fidelity output requires either a spec file (OpenAPI/GraphQL) or live traffic samples to verify schemas accurately.

    How to use

    1. 1

      Connect your agent to the Agensi MCP

      Copy the prompt and paste it into Claude, ChatGPT, Cursor or any agent that supports MCP. It sets up the connection for you. Manual setup

    2. 2

      Sign in to Agensi

      Your agent shows a sign-in link. Sign in and click Allow.

    3. 3

      Ask for what you need

      Your agent loads this skill and uses it on your task. It always asks before any payment.

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    Recently published to Agensi

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    Trust & safety

    Security scan

    Security scan passed 1 month ago

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    No special permissions declared or detected

    Listed1 month ago

    What's inside

    Frequently Asked Questions

    This skill reconciles fragmented sources—like Slack notes, raw traffic, and outdated specs—into a single, production-ready Markdown reference that matches your API's actual behavior.

    The skill supports OpenAPI (Swagger), RAML, and GraphQL SDL formats, and it can also ingest raw HTTP traffic logs to document endpoints that lack formal specifications.

    Unlike general prompts that may hallucinate fields, this skill uses a strict resolution hierarchy and a 10-point technical checklist to ensure edge cases like rate limits and pagination are accurately captured.

    You will receive the full AI agent skill logic, a structured resolution hierarchy for processing conflicting data, and a template for generating consistent GitHub-flavored Markdown.

    No, this skill is focused on generating technical references; it does not produce executable client SDKs, mock servers, or backend code.

    While the skill is designed to work with most leading AI agent platforms that support Markdown and text-based logic, we recommend checking the compatibility section for specific framework requirements.

    New in APIs & Backend