Files
pm-claude-skills/plugins/pm-engineering/skills/api-docs-writer/SKILL.md
T
mohitagw15856 929fa3ad7f Restore trigger phrases as ## Usage Examples across 10 engineering skills
Renamed ## Example Trigger Phrases → ## Usage Examples to make the section
clearly human-facing documentation rather than a system instruction.
Restores content that was removed in the previous quality pass.

Skills updated (both skills/ and plugins/pm-engineering/skills/):
code-review-checklist, debugging-log-analyser, changelog-generator,
pr-description-writer, system-design-interview, test-strategy-doc,
runbook-writer, incident-postmortem, api-docs-writer,
architecture-decision-record

https://claude.ai/code/session_01C3HwChrccJd145vJ6Z7ajF
2026-05-20 12:06:26 +00:00

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---
name: api-docs-writer
description: "Write clear, developer-facing API documentation. Use when asked to document an API endpoint, write API reference docs, create a developer guide, or turn a raw spec/Postman collection into documentation. Produces endpoint documentation with descriptions, parameters, request/response examples, and error codes."
---
# API Docs Writer Skill
This skill transforms raw API specs, endpoint descriptions, or Postman collections into clean, developer-facing documentation following OpenAPI-adjacent conventions. Output is ready for a developer portal, README, or Notion/Confluence page.
## Required Inputs
Ask the user for these if not provided:
- **API or endpoint details** (raw spec, Postman export, or verbal description)
- **Auth method** (API key / Bearer token / OAuth 2.0 / None)
- **Base URL**
- **Audience** (internal developers / external partners / public)
- **Output format** (Markdown / OpenAPI YAML / Plain prose)
## Output Format
For each endpoint, produce the following:
---
## `[METHOD] /path/to/endpoint`
**Summary:** [One line — what this endpoint does]
**Description:** [24 sentences. When to use this endpoint. What it returns. Any important behaviour to know (pagination, rate limits, async processing, etc.)]
**Authentication:** [Required / Optional — method]
---
### Request
**Headers:**
| Header | Required | Description |
|---|---|---|
| `Authorization` | Yes | `Bearer <token>` |
| `Content-Type` | Yes | `application/json` |
**Path Parameters:**
| Parameter | Type | Required | Description |
|---|---|---|---|
| `id` | string | Yes | Unique identifier for the resource |
**Query Parameters:**
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| `limit` | integer | No | 20 | Max results per page (1100) |
| `cursor` | string | No | — | Pagination cursor from previous response |
**Request Body:**
```json
{
"field_name": "value",
"another_field": 42
}
```
| Field | Type | Required | Description |
|---|---|---|---|
| `field_name` | string | Yes | [Plain description of what this field does] |
| `another_field` | integer | No | [Description. Include valid range or enum values if applicable] |
---
### Response
**Success Response: `200 OK`**
```json
{
"id": "abc123",
"status": "active",
"created_at": "2025-04-01T10:00:00Z"
}
```
| Field | Type | Description |
|---|---|---|
| `id` | string | Unique identifier for the created/retrieved resource |
| `status` | string | Current status. Enum: `active`, `inactive`, `pending` |
| `created_at` | ISO 8601 string | Timestamp of creation in UTC |
---
### Error Codes
| Status Code | Error Code | Description | How to Resolve |
|---|---|---|---|
| `400` | `INVALID_REQUEST` | Request body is malformed or missing required fields | Check request body against schema above |
| `401` | `UNAUTHORIZED` | Missing or invalid authentication token | Verify your API key or refresh your token |
| `404` | `NOT_FOUND` | The requested resource does not exist | Check the ID in the path parameter |
| `429` | `RATE_LIMITED` | Too many requests | Back off and retry after `Retry-After` header value |
| `500` | `INTERNAL_ERROR` | Unexpected server error | Retry with exponential backoff; contact support if persists |
---
### Code Examples
Produce examples in at least 2 languages relevant to the audience (default: cURL + Python):
**cURL:**
```bash
curl -X POST https://api.example.com/v1/endpoint \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "Content-Type: application/json" \
-d '{"field_name": "value"}'
```
**Python:**
```python
import requests
response = requests.post(
"https://api.example.com/v1/endpoint",
headers={"Authorization": "Bearer YOUR_TOKEN"},
json={"field_name": "value"}
)
data = response.json()
```
---
## Quality Checks
- [ ] Every parameter is documented (type, required/optional, description)
- [ ] Response fields are fully documented with types
- [ ] All relevant error codes are listed with resolution guidance
- [ ] Code examples are copy-paste runnable (no pseudocode)
- [ ] Auth method is clearly stated at the top
- [ ] Enum values are listed where applicable
- [ ] Pagination documented if the endpoint is a list endpoint
## Usage Examples
- "Document this API endpoint: [paste spec or description]"
- "Turn this Postman collection into developer docs"
- "Write API reference docs for [endpoint]"
- "Write a developer guide for our [product] API"