api-designer SKILL.md skillA

api-designer from sickn33/agentic-awesome-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add sickn33/agentic-awesome-skills/api-designer@git:20261014.73188c9

Pins git:20261014.73188c9 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
sickn33/agentic-awesome-skills
Path
plugins/agentic-awesome-skills-claude/skills/api-designer/SKILL.md
Versions recorded
4
Latest version
git:20261014.73188c9, committed Oct 14, 2026
First version recorded
Jul 8, 2026
Size
7,209 bytes
Repository stars
49,071
License
MIT

Generates complete, production-ready REST API endpoint specifications for any system or domain the user describes.

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

## Supporting material availability

This catalog copy contains the inline guidance below, but does not include the following supporting paths. They are external prerequisites, not bundled files:

- `<support-root>/references/domains.md`
- `<support-root>/references/testmu_example.md`

Obtain the required material from the [declared upstream source](https://github.com/LambdaTest/agent-skills), or from a user-provided installation of that source. Resolve each path relative to that installation, inspect its contents, and verify any applicable license and execution prerequisites. Do not run a command or claim a referenced procedure was followed until its required file exists. Do not fabricate the missing scripts or treat an unrelated file with the same name as equivalent. Independent steps fully documented here can proceed within the user’s authorized scope; report any dependent step as unavailable.

# API Designer Skill
## When to Use
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add sickn33/agentic-awesome-skills/api-designer@sha256:a031cfb9c658b2c9

The line at the top of this page pins the label git:20261014.73188c9, 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_jgnpqrsbu6p4t3ei.svg)](https://markdownregistry.com/a/art_jgnpqrsbu6p4t3ei)

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

Versions

The registry has recorded 4 versions of this file, between Jul 8, 2026 and Oct 14, 2026, about one every 32 days.

versioncommittedcommitsizeaudit
git:20261014.73188c9 latest2026-10-14 73188c9 7,209 BA view · diff
git:20260905.f182d392026-09-05 f182d39 6,296 BA view · diff
git:20260729.2d74b642026-07-29 2d74b64 6,468 BA view · diff
git:20260708.a07936c2026-07-08 a07936c 6,471 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 (7209 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

sickn33/agentic-awesome-skills · 49,071 stars · license MIT · pushed 2026-11-03 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_jgnpqrsbu6p4t3ei
GET https://markdownregistry.com/api/v1/resolve?ref=sickn33/agentic-awesome-skills/api-designer
GET https://markdownregistry.com/api/v1/blob/a031cfb9c658b2c953ad3e12eb8176a668422a5e1763202d49b3596ec39f3b22

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.

More from sickn33/agentic-awesome-skills

AGENTS.md AGENTS.md file
sickn33/agentic-awesome-skills · AGENTS.md
git:20261029.00ee0d3 · audit A · 49,071 stars
llms.txt@apps/web-app/public llms.txt file
sickn33/agentic-awesome-skills · apps/web-app/public/llms.txt
git:20261102.1519f81 · audit A · 49,071 stars
00-andruia-consultant SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/00-andruia-consultant/SKILL.md · Usar al iniciar o mejorar un proyecto de IA: diagnostica código y restricciones, propone skills existentes y redacta…
git:20261014.c062f9f · audit A · 49,071 stars
007 SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/007/SKILL.md · Security audit, hardening, threat modeling (STRIDE/PASTA), Red/Blue Team, OWASP checks, code review, incident response…
git:20261024.6d4ea18 · audit A · 49,071 stars
10-andruia-skill-smith SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/10-andruia-skill-smith/SKILL.md · Usar para crear o mejorar una skill de Andru.ia: define entradas y resultados, redacta SKILL.md con ejemplos y límites…
git:20261014.c062f9f · audit A · 49,071 stars
20-andruia-niche-intelligence SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/20-andruia-niche-intelligence/SKILL.md · Usar tras definir el sector de un proyecto: prepara un dossier en español con contexto, normas aplicables, patrones UX…
git:20261014.c062f9f · audit A · 49,071 stars
2slides-ppt-generator SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/2slides-ppt-generator/SKILL.md · AI-powered presentation generation via the 2slides API — create slides from text, match a reference image style…
git:20261024.6d4ea18 · audit A · 49,071 stars
360-feedback-system SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/360-feedback-system/SKILL.md · 360 feedback register: reviewer, subject, review cycle, visibility, due date and score, as CSV, SQL, JSON Schema or…
git:20261024.6d4ea18 · audit A · 49,071 stars
3d-web-experience SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/3d-web-experience/SKILL.md · Use when building or debugging web 3D scenes, product configurators or portfolios with Three.js, React Three Fiber or…
git:20261014.c062f9f · audit A · 49,071 stars
a4a SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/a4a/SKILL.md · Connect your AI agent to the A4A end-to-end encrypted agent-to-agent messaging network via local MCP tools or Python…
git:20261024.6d4ea18 · audit A · 49,071 stars
aas-compose-stack SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/aas-compose-stack/SKILL.md · Preserve the coding agent's explicit AAS skill selection as a validated stack and optional evidence.
git:20261002.7bb0ab4 · audit A · 49,071 stars
aas-discover SKILL.md skill
sickn33/agentic-awesome-skills · plugins/agentic-awesome-skills-claude/skills/aas-discover/SKILL.md · Discover AAS skills for an explicit task and compare their complete instructions without installing them.
git:20261002.7bb0ab4 · audit A · 49,071 stars

Every file in sickn33/agentic-awesome-skills

Other files named api-designer

api-designer SKILL.md skill
jeffallan/claude-skills · skills/api-designer/SKILL.md · Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for…
v1.1.0 · audit A · 12,195 stars
api-designer SKILL.md skill
sandbaseai/sandbase-skills · marketing/api-designer/SKILL.md · Plan, implement, or review api designer work in an existing codebase with compatibility, security, and verification…
git:20260908.a887321 · audit A · 206 stars
api-designer SKILL.md skill
francostino/opencode-skills-collection · bundled-skills/api-designer/SKILL.md · Generates complete, production-ready REST API endpoint specifications for any system or domain the user describes.
git:20261015.fac8b7e · audit A · 90 stars
api-designer SKILL.md skill
athola/skrills · assets/demo-skills/api-designer/SKILL.md · Design RESTful APIs with best practices for consistency and usability
git:20260106.0e498e9 · audit A · 69 stars
api-designer SKILL.md skill
nguyenthienthanh/aura-frog · archon-os/skills/api-designer/SKILL.md · Designs RESTful APIs with endpoint naming, versioning strategies (URL path, header-based), pagination (offset and…
git:20261029.30f94d9 · audit A · 26 stars
api-designer SKILL.md skill
jahidulislamseo/antigravity-ai-skills · skills/api-designer/SKILL.md · Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for…
v1.1.0 · audit A · 4 stars
api-designer SKILL.md skill
zacklecon/claude-skills · skills/api-designer/SKILL.md · Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for…
v1.0.0 · audit A · 3 stars

Browse by kind, by grade A, or by owner.