Web Application Testing
anthropics/skills
Tests local web applications with Python Playwright scripts, checking frontend behavior, capturing screenshots and reading browser console logs.
Index of the engineering-team skills bundle for Claude Code, Codex, Gemini CLI, Cursor, OpenClaw, and 6 more tools.
Install Engineering Skills
$ npx skills add alirezarezvani/claude-skills --skill engineering-skills -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install alirezarezvani/claude-skills engineering-skills --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/engineering-team/skills/engineering-skills .claude/skills/engineering-skills && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "engineering-skills" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering-team/skills/engineering-skills into .claude/skills/engineering-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "engineering-skills", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/alirezarezvani/claude-skills/tree/main/engineering-team/skills/engineering-skillsType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add alirezarezvani/claude-skills --skill engineering-skills -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install alirezarezvani/claude-skills engineering-skills --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/engineering-team/skills/engineering-skills .agents/skills/engineering-skills && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "engineering-skills" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering-team/skills/engineering-skills into .agents/skills/engineering-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "engineering-skills", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add alirezarezvani/claude-skills --skill engineering-skills -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install alirezarezvani/claude-skills engineering-skills --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/engineering-team/skills/engineering-skills .cursor/skills/engineering-skills && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "engineering-skills" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering-team/skills/engineering-skills into .cursor/skills/engineering-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "engineering-skills", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/alirezarezvani/claude-skills.git --path engineering-team/skills/engineering-skills--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add alirezarezvani/claude-skills --skill engineering-skills -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install alirezarezvani/claude-skills engineering-skills --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/engineering-team/skills/engineering-skills .gemini/skills/engineering-skills && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "engineering-skills" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering-team/skills/engineering-skills into .gemini/skills/engineering-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "engineering-skills", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install alirezarezvani/claude-skills engineering-skillsInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add alirezarezvani/claude-skills --skill engineering-skills -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/engineering-team/skills/engineering-skills .github/skills/engineering-skills && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "engineering-skills" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering-team/skills/engineering-skills into .github/skills/engineering-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "engineering-skills", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add alirezarezvani/claude-skills --skill engineering-skills -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install alirezarezvani/claude-skills engineering-skills --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/engineering-team/skills/engineering-skills .opencode/skills/engineering-skills && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "engineering-skills" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering-team/skills/engineering-skills into .opencode/skills/engineering-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "engineering-skills", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
engineering-skills- GitHub stars
- 28k
- Token cost
- ~887 tokens
- SKILL.md length
- 259 words
- Files
- 1
- Skills in repo
- 342
- Repo updated
- First seen
- Licence
- MIT
At a glance
Index of the engineering-team skills bundle for Claude Code, Codex, Gemini CLI, Cursor, OpenClaw, and 6 more tools.
- Choosing among engineering-team role skills — load only the one specialist SKILL.md you need
- SKILL.md covers Quick Start, Skills Overview, Python Tools and Rules
- Calls npx and python3
- Never bulk-load the bundle
What it does
Engineering Skills is an agent skill from alirezarezvani/claude-skills. Index of the engineering-team skills bundle for Claude Code, Codex, Gemini CLI, Cursor, OpenClaw, and 6 more tools. Architecture, frontend, backend, QA, DevOps, security, AI/ML, data engineering, Playwright, Stripe, AWS, MS365 (stdlib-only Python tools). Use when browsing or choosing among engineering-team role skills — load only the one specialist SKILL.md you need, never bulk-load the bundle.
Its SKILL.md is about 890 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Testing & QA, covering Data pipelines and ETL and Browser testing. It works with Python, Amazon Web Services, Playwright and Stripe. The repository describes itself as: 380 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 380+ skills, customizable references, scripts)for Claude Code, Codex, Gemini CLI, Cursor, and 8… The licence is MIT.
When your agent uses it
- Choosing among engineering-team role skills — load only the one specialist SKILL.md you need
- Never bulk-load the bundle
Example prompts
- “/engineering-skills”
Requirements
- Python 3
- Node.js
What it can do on your machine
Read from SKILL.md and the folder at commit 19392f7. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
npxpython3
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Engineering Skills loads about 887 tokens when it runs. Until then it costs about 104 tokens; SKILL.md has 259 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from alirezarezvani/claude-skills at commit 19392f7, republished under its MIT licence (© alirezarezvani). 259 words, ~887 tokens.
Download SKILL.mdSave it as
.claude/skills/engineering-skills/SKILL.md (or your agent's skills folder).- name
- engineering-skills
- description
- Index of the engineering-team skills bundle for Claude Code, Codex, Gemini CLI, Cursor, OpenClaw, and 6 more tools. Architecture, frontend, backend, QA, DevOps, security, AI/ML, data engineering, Playwright, Stripe, AWS, MS365 (stdlib-only Python tools). Use when browsing or choosing among engineering-team role skills — load only the one specialist SKILL.md you need, never bulk-load the bundle.
- version
- 2.9.0
- author
- Alireza Rezvani
- license
- MIT
- tags
- engineering, frontend, backend, devops, security, ai-ml, data-engineering
- agents
- claude-code, codex-cli, openclaw
Engineering Team Skills
32 production-ready engineering skills organized into core engineering, security, AI/ML/Data, and specialized tools.
Quick Start
Claude Code
/read engineering-team/skills/senior-fullstack/SKILL.mdCodex CLI
npx agent-skills-cli add alirezarezvani/claude-skills/engineering-teamSkills Overview
Core Engineering (13 skills)
| Skill | Folder | Focus |
|---|---|---|
| Senior Architect | senior-architect/ | System design, architecture patterns |
| Senior Frontend | senior-frontend/ | React, Next.js, TypeScript, Tailwind |
| Senior Backend | senior-backend/ | API design, database optimization |
| Senior Fullstack | senior-fullstack/ | Project scaffolding, code quality |
| Senior QA | senior-qa/ | Test generation, coverage analysis |
| Senior DevOps | senior-devops/ | CI/CD, infrastructure, containers |
| Senior SecOps | senior-secops/ | Security operations, vulnerability management |
| Code Reviewer | code-reviewer/ | PR review, code quality analysis |
| Senior Security | senior-security/ | Threat modeling, STRIDE, penetration testing |
| AWS Solution Architect | aws-solution-architect/ | Serverless, CloudFormation, cost optimization |
| MS365 Tenant Manager | ms365-tenant-manager/ | Microsoft 365 administration |
| TDD Guide | tdd-guide/ | Test-driven development workflows |
| Tech Stack Evaluator | tech-stack-evaluator/ | Technology comparison, TCO analysis |
AI/ML/Data (5 skills)
| Skill | Folder | Focus |
|---|---|---|
| Senior Data Scientist | senior-data-scientist/ | Statistical modeling, experimentation |
| Senior Data Engineer | senior-data-engineer/ | Pipelines, ETL, data quality |
| Senior ML Engineer | senior-ml-engineer/ | Model deployment, MLOps, LLM integration |
| Senior Prompt Engineer | senior-prompt-engineer/ | Prompt optimization, RAG, agents |
| Senior Computer Vision | senior-computer-vision/ | Object detection, segmentation |
Specialized Tools (5 skills)
| Skill | Folder | Focus |
|---|---|---|
| Playwright Pro | playwright-pro/ | E2E testing (9 sub-skills) |
| Self-Improving Agent | self-improving-agent/ | Memory curation (5 sub-skills) |
| Stripe Integration | stripe-integration-expert/ | Payment integration, webhooks |
| Incident Commander | incident-commander/ | Incident response workflows |
| Email Template Builder | email-template-builder/ | HTML email generation |
Python Tools
30+ scripts, all stdlib-only. Run directly:
python3 <skill>/scripts/<tool>.py --helpNo pip install needed. Scripts include embedded samples for demo mode.
Rules
- Load only the specific skill SKILL.md you need — don't bulk-load all 32
- Use Python tools for analysis and scaffolding, not manual judgment
- Check CLAUDE.md for tool usage examples and workflows
© alirezarezvani, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in engineering-team/skills/engineering-skills of alirezarezvani/claude-skills.
Open the folder on GitHubat commit 19392f7
Compare with similar skills
Engineering Skills next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Engineering Skills this skillalirezarezvani/claude-skills | 28k | — | ~887 | Automated safety check: Pass | MIT | |
| Web Application Testinganthropics/skills | 180k | 51 repos | ~966 | Automated safety check: Pass | Apache-2.0 | |
| RStudio Selenium to Playwright Migrationrstudio/rstudio | 5.1k | — | ~3.6k | Automated safety check: Pass | Custom licence | |
| Brightdata Proxybrightdata/skills | 264 | — | ~5.1k | Automated safety check: Pass | MIT | |
| JS-in-HTML Testingliaohch3/claude-tap | 3.3k | — | ~924 | Automated safety check: Pass | MIT | |
| Playwright Screen Recordingliaohch3/claude-tap | 3.3k | — | ~714 | Automated safety check: Pass | MIT |
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- Official
RStudio Selenium to Playwright Migration
rstudio/rstudio
Converts RStudio Python Selenium electron tests into TypeScript Playwright tests, checking each against a live RStudio before counting it as migrated.
Brightdata Proxy
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Generate working code that routes HTTP requests through Bright Data proxy networks (Datacenter, ISP, Residential, Mobile) and help users decide which network and IP pool type to use (shared pool…
JS-in-HTML Testing
liaohch3/claude-tap
Tests JavaScript embedded in an HTML file in two layers: pytest checks of the logic ported to Python, and Playwright runs in a real browser for the DOM.
Playwright Screen Recording
liaohch3/claude-tap
Records headless Playwright sessions as .webm videos to show a bug fix working or to give pull request reviewers visual evidence.
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Related
Categories
Questions about Engineering Skills
What does Engineering Skills do?
Index of the engineering-team skills bundle for Claude Code, Codex, Gemini CLI, Cursor, OpenClaw, and 6 more tools. Engineering Skills is an agent skill from alirezarezvani/claude-skills. Index of the engineering-team skills bundle for Claude Code, Codex, Gemini CLI, Cursor, OpenClaw, and 6 more tools.
When should I use Engineering Skills?
Engineering Skills fits situations like: choosing among engineering-team role skills — load only the one specialist SKILL.md you need; never bulk-load the bundle.
How do I install Engineering Skills in Claude Code?
Run `npx skills add alirezarezvani/claude-skills --skill engineering-skills -a claude-code`. Or copy the skill folder (engineering-team/skills/engineering-skills in alirezarezvani/claude-skills) into .claude/skills/engineering-skills in your project. Claude Code loads it when a task matches its description.
How do I install Engineering Skills in Codex?
Run `npx skills add alirezarezvani/claude-skills --skill engineering-skills -a codex`. Or copy the skill folder (engineering-team/skills/engineering-skills in alirezarezvani/claude-skills) into .agents/skills/engineering-skills in your project. Codex loads it when a task matches its description.
Can I use Engineering Skills in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add alirezarezvani/claude-skills --skill engineering-skills -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/engineering-skills, .gemini/skills/engineering-skills, .github/skills/engineering-skills and .opencode/skills/engineering-skills in your project.
What does Engineering Skills need to run?
Going by SKILL.md and its folder, Engineering Skills needs the command-line tools its instructions call (npx and python3). Our summary lists: Python 3; Node.js.
Does Engineering Skills access the network?
SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Engineering Skills safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Engineering Skills use?
Engineering Skills is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Engineering Skills use?
About 887 tokens (SKILL.md is roughly 3.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Engineering Skills?
Skills that share tags, products or a category with Engineering Skills: Web Application Testing (anthropics/skills, 180k stars), RStudio Selenium to Playwright Migration (rstudio/rstudio, 5.1k stars), Brightdata Proxy (brightdata/skills, 264 stars) and JS-in-HTML Testing (liaohch3/claude-tap, 3.3k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Engineering Skills?
alirezarezvani (a GitHub user) maintains it in alirezarezvani/claude-skills, which has 27,891 GitHub stars. The repository holds 342 skills in this directory. The repository was last updated on August 30, 2026.
Source: alirezarezvani/claude-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.