AI agent skill · by @proflead

Api Error Taxonomy

Define consistent API error codes and responses. Use when a mid-level developer needs error standardization.

Archived 2026-10-23 · Source updated 2026-07-29. Check the original repository for the latest version.

SKILL.md instructions

# API Error Taxonomy

## Purpose
Define consistent API error codes and responses.

## Inputs to request
- Current error responses and status usage.
- Client expectations for retries and messaging.
- Logging and observability requirements.

## Workflow
1. List common error categories and HTTP mappings.
2. Define error payload shape and fields.
3. Set guidelines for logging and client messaging.

## Output
- Error taxonomy table and examples.

## Quality bar
- Ensure errors are machine-parseable.
- Align retryable vs non-retryable semantics.