bosskuai-api-design SKILL.md skillA

bosskuai-api-design from wankimmy/bossku-superpowers is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add wankimmy/bossku-superpowers/bosskuai-api-design@git:20261012.17c6803

Pins git:20261012.17c6803 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
wankimmy/bossku-superpowers
Path
skills/bosskuai-api-design/SKILL.md
Versions recorded
5
Latest version
git:20261012.17c6803, committed Oct 12, 2026
First version recorded
Jul 16, 2026
Size
3,459 bytes
Repository stars
22
License
MIT

Use when designing an API contract across REST, GraphQL, and event-driven interfaces: resource modeling, versioning, errors, pagination, idempotency, and integration-facing correctness.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# API design

Use when the open question is the shape of the contract between systems, not just the code behind it.

1. **Read the current contract surface** before proposing anything: docs, OpenAPI/GraphQL schema, event schemas, handlers, and their tests.
2. **Model the domain**: name resources and operations after business concepts, not database tables, and make side effects explicit in the operation name.
3. **Pick the contract style on purpose** — REST, GraphQL, events, or mixed — matched to who actually consumes it, and say why.
4. **Design the unhappy paths as part of the contract, not an afterthought**: auth failure, validation errors, conflicts, timeouts, async completion, rate limits. Make errors structured and machine-readable, never a freeform string.
5. **Make the safe path the easy path**: idempotency keys for retry-safe operations, stable pagination, predictable filtering and sorting.
6. **State what's additive vs breaking for every change**, and the versioning or deprecation path for the breaking ones.
7. **For events and webhooks**, settle ordering, replay, deduplication, and signature verification before calling the design done.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add wankimmy/bossku-superpowers/bosskuai-api-design@sha256:9e6cca952dfb8186

The line at the top of this page pins the label git:20261012.17c6803, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_yvu6udfbkoyunj3e.svg)](https://markdownregistry.com/a/art_yvu6udfbkoyunj3e)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Jul 16, 2026 and Oct 12, 2026, about one every 22 days.

versioncommittedcommitsizeaudit
git:20261012.17c6803 latest2026-10-12 17c6803 3,459 BA view · diff
git:20261010.cd731692026-10-10 cd73169 1,894 BA view · diff
git:20261001.cc31a372026-10-01 cc31a37 1,900 BA view · diff
git:20260813.53fd4ac2026-08-13 53fd4ac 5,044 BA view · diff
git:20260716.6355db62026-07-16 6355db6 1,378 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (3459 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

wankimmy/bossku-superpowers · 22 stars · license MIT · pushed 2026-10-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_yvu6udfbkoyunj3e
GET https://markdownregistry.com/api/v1/resolve?ref=wankimmy/bossku-superpowers/bosskuai-api-design
GET https://markdownregistry.com/api/v1/blob/9e6cca952dfb818694035681397c8bb836426dd2a822ab303e307ac994a575b0

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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