SkillCheatSheet
api-and-interface-design
An AI agent skill from addyosmani/agent-skills, scored 59 out of 100 by code.
Code score by group
It loses the most points in Description (13), the group that checks whether the description says what the skill does and when to use it.
What the author says it does
Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints, defining type contracts between modules, or establishing boundaries between frontend and backend.
This is the description in the skill's own SKILL.md, written by its author, not by SkillCheatSheet.
- Repository
- addyosmani/agent-skills
- Folder
- skills/api-and-interface-design
- License
- MIT
- GitHub stars
- 116,263
- SKILL.md lines
- 370
- Other files
- 0
Add api-and-interface-design to your agent
npx skills add addyosmani/agent-skills --skill api-and-interface-designThe command uses the open skills CLI. A skill is instructions and scripts your agent will follow, so read it first: open the folder on GitHub at the commit that was scored.
More skills from addyosmani/agent-skills
-
constraint-driven-development
Establishes a project's quality bar as a written contract and stops agents quietly lowering it. Interviews the user on which dimensions matter, supplies sane default thresholds wh…
Verified91A -
interview-me
Extracts what the user actually wants instead of what they think they should want. Achieves this through one-question-at-a-time interview until ~95% confidence about the underlyin…
Verified86A -
frontend-ui-engineering
Builds production-quality, accessible, responsive user-facing UIs. Use when building or modifying interfaces and pages, creating components, implementing layouts, meeting WCAG acc…
Verified83B -
doubt-driven-development
Subjects every non-trivial decision to a fresh-context adversarial review before it stands. Use when you want every assumption cross-examined before proceeding, when stress-testin…
Verified81B -
planning-and-task-breakdown
Breaks work into ordered tasks. Use when you have a spec or clear requirements and need to break work into implementable tasks. Use when a task feels too large to start, when you…
Verified81B -
code-simplification
Simplifies code for clarity. Use when refactoring code for clarity without changing behavior. Use when code works but is harder to read, maintain, or extend than it should be. Use…
Verified80B -
documentation-and-adrs
Records decisions and documentation. Use when you need to document an architecture decision (ADR) or the reasoning behind a design choice, when changing public APIs, shipping feat…
Verified80B -
observability-and-instrumentation
Instruments code so production behavior is visible and diagnosable. Use when adding logging, metrics, tracing, or alerting. Use when shipping any feature that runs in production a…
Verified80B
All skills in addyosmani/agent-skills
Scores come from a snapshot of 300 public GitHub repositories taken on 12 November 2026. Every score is the result of fixed checks run by code; no AI is involved. How scoring works.