addyosmani

75 mods across 11 repositories, 97k stars between them.

addy-agent-skills

01

addyosmani/agent-skills

Plugin Claude Code

Production-grade engineering skills for AI coding agents — covering the full software development lifecycle from spec to ship.

91k 3d ago A tokens not measured original MIT

agent-skills

02

addyosmani/agent-skills

Plugin Claude Code

Production-grade engineering skills for AI coding agents — covering the full software development lifecycle from spec to ship.

91k 3d ago A tokens not measured original MIT

build

03

addyosmani/agent-skills

Command Claude Code

Implement tasks incrementally — build, test, verify, commit. Add "auto" to run the whole plan in one approved pass.

91k 3d ago A 27 tokens original MIT

code-simplify

04

addyosmani/agent-skills

Command Claude Code

Simplify code for clarity and maintainability — reduce complexity without changing behavior.

91k 3d ago A 14 tokens original MIT

constraints

05

addyosmani/agent-skills

Command Claude Code

Define and enforce this project's quality bar — interview, sane defaults, CONSTRAINTS.md.

91k 3d ago A 17 tokens original MIT

plan

06

addyosmani/agent-skills

Command Claude Code

Break work into small verifiable tasks with acceptance criteria and dependency ordering.

91k 3d ago A 13 tokens original MIT

review

07

addyosmani/agent-skills

Command Claude Code

Conduct a five-axis code review — correctness, readability, architecture, security, performance.

91k 3d ago A 16 tokens original MIT

ship

08

addyosmani/agent-skills

Command Claude Code

Run the pre-launch checklist via parallel fan-out to specialist personas, then synthesize a go/no-go decision.

91k 3d ago A 21 tokens original MIT

spec

09

addyosmani/agent-skills

Command Claude Code

Start spec-driven development — write a structured specification before writing code.

91k 3d ago A 12 tokens original MIT

test

10

addyosmani/agent-skills

Command Claude Code

Run TDD workflow — write failing tests, implement, verify. For bugs, use the Prove-It pattern.

91k 3d ago A 23 tokens original MIT

webperf

11

addyosmani/agent-skills

Command Claude Code

Run a web performance audit via the web-performance-auditor persona.

91k 3d ago A 13 tokens original MIT

addyosmani/agent-skills

Instructions file CodexOpenCode

Instructions for addyosmani/agent-skills, covering agents.md, repository overview, opencode integration, core rules and intent → skill mapping.

91k 3d ago A 1,191 tokens original MIT

addyosmani/agent-skills

Instructions file

Instructions for addyosmani/agent-skills, covering agent-skills, project structure, skills by phase, conventions and contributing.

91k 3d ago A 909 tokens original MIT

code-reviewer

14

addyosmani/agent-skills

Agent

Senior code reviewer that evaluates changes across five dimensions — correctness, readability, architecture, security, and performance. Use for thorough code review before merge.

91k 3d ago A 33 tokens original MIT

security-auditor

15

addyosmani/agent-skills

Agent

Security engineer focused on vulnerability detection, threat modeling, and secure coding practices. Use for security-focused code review, threat analysis, or hardening recommendations.

91k 3d ago A 35 tokens original MIT

test-engineer

16

addyosmani/agent-skills

Agent

QA engineer specialized in test strategy, test writing, and coverage analysis. Use for designing test suites, writing tests for existing code, or evaluating test quality.

91k 3d ago A 35 tokens original MIT

addyosmani/agent-skills

Agent

Web performance engineer focused on Core Web Vitals, loading, rendering, and network optimization. Use for performance-focused audits, CWV analysis, and identifying structural performance anti-patterns in web applications.

91k 3d ago A 45 tokens original MIT

SessionStart

18

addyosmani/agent-skills

Hook

Runs when a session starts, executing session-start.sh. From addyosmani/agent-skills.

91k 3d ago A tokens not measured original MIT

addyosmani/agent-skills

Skill Claude CodeCodex

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.

91k 3d ago A 49 tokens original MIT

addyosmani/agent-skills

Skill Claude CodeCodex

Tests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs in a browser. Use when you need to inspect the DOM, capture console errors, analyze network requests, profile performance, or verify visual output with real runtime data. Requires the chrome-devtools MCP server to be…

91k 3d ago B 68 tokens original MIT

addyosmani/agent-skills

Skill Claude CodeCodex

Automates CI/CD pipeline setup. Use when setting up or modifying build and deployment pipelines. Use when you need to automate quality gates, configure test runners in CI, or establish deployment strategies.

91k 3d ago A 45 tokens original MIT

addyosmani/agent-skills

Skill Claude CodeCodex

Conducts multi-axis code review. Use before merging any change. Use when reviewing code written by yourself, another agent, or a human. Use when you need to assess code quality across multiple dimensions before it enters the main branch.

91k 3d ago A 51 tokens original MIT

code-simplification

23

addyosmani/agent-skills

Skill Claude CodeCodex

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 when reviewing code that has accumulated unnecessary complexity.

91k 3d ago A 51 tokens original MIT

addyosmani/agent-skills

Skill Claude CodeCodex

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 when they have no number in mind, records everything in CONSTRAINTS.md, and watches the diff for a weakened bar — new @ts-ignore or…

91k 3d ago A 154 tokens original MIT