Open Browser
JasonHonKL/Openbrowser
A skill your agent uses whenever the task involves browsing web pages, extracting page content, clicking forms, or completing web workflows.
E2E testing for Clerk apps. An agent skill from geekskai/blog.
Install Clerk Testing
$ npx skills add geekskai/blog --skill clerk-testing -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install geekskai/blog clerk-testing --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/geekskai/blog.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/clerk-testing .claude/skills/clerk-testing && 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 "clerk-testing" agent skill from https://github.com/geekskai/blog/tree/main/.agents/skills/clerk-testing into .claude/skills/clerk-testing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clerk-testing", 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/geekskai/blog/tree/main/.agents/skills/clerk-testingType 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 geekskai/blog --skill clerk-testing -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install geekskai/blog clerk-testing --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/geekskai/blog.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/clerk-testing .agents/skills/clerk-testing && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "clerk-testing" agent skill from https://github.com/geekskai/blog/tree/main/.agents/skills/clerk-testing into .agents/skills/clerk-testing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clerk-testing", 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 geekskai/blog --skill clerk-testing -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install geekskai/blog clerk-testing --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/geekskai/blog.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/clerk-testing .cursor/skills/clerk-testing && 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 "clerk-testing" agent skill from https://github.com/geekskai/blog/tree/main/.agents/skills/clerk-testing into .cursor/skills/clerk-testing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clerk-testing", 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/geekskai/blog.git --path .agents/skills/clerk-testing--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 geekskai/blog --skill clerk-testing -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install geekskai/blog clerk-testing --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/geekskai/blog.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/clerk-testing .gemini/skills/clerk-testing && 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 "clerk-testing" agent skill from https://github.com/geekskai/blog/tree/main/.agents/skills/clerk-testing into .gemini/skills/clerk-testing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clerk-testing", 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 geekskai/blog clerk-testingInstalls 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 geekskai/blog --skill clerk-testing -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/geekskai/blog.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/clerk-testing .github/skills/clerk-testing && 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 "clerk-testing" agent skill from https://github.com/geekskai/blog/tree/main/.agents/skills/clerk-testing into .github/skills/clerk-testing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clerk-testing", 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 geekskai/blog --skill clerk-testing -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install geekskai/blog clerk-testing --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/geekskai/blog.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/clerk-testing .opencode/skills/clerk-testing && 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 "clerk-testing" agent skill from https://github.com/geekskai/blog/tree/main/.agents/skills/clerk-testing into .opencode/skills/clerk-testing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "clerk-testing", 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
clerk-testing- GitHub stars
- 103
- Used in
- 3 other repos
- Token cost
- ~483 tokens
- SKILL.md length
- 154 words
- Files
- 1
- Skills in repo
- 20
- Repo updated
- First seen
- Licence
- MIT
At a glance
E2E testing for Clerk apps. An agent skill from geekskai/blog.
- Works in 4 steps: Identify test framework (Playwright or… → WebFetch the appropriate URL from… → Follow official setup instructions → …
- Tasks that involve End-to-end testing
- SKILL.md covers Decision Tree, Mental Model, Workflow and Best Practices, plus 3 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Clerk Testing is an agent skill from geekskai/blog. E2E testing for Clerk apps. Use with Playwright or Cypress for auth flow tests.
Its SKILL.md is about 480 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: Requires CLERKTESTINGTOKEN from Clerk dashboard
It sits in Testing & QA, covering End-to-end testing, Authentication and Browser testing. It works with Cypress and Playwright. The repository describes itself as: 🚀 2026 Most Popular FREE Blog Template! Next.js 14, Zero Code - Just Write & Deploy | 2026最火免费博客模板！支持Markdown，一键部署，极致性能！⚡️ ✨ Write in Markdown, get your professional blog in…. The licence is MIT.
When your agent uses it
- Tasks that involve End-to-end testing
- Tasks that involve Authentication
- Tasks that involve Browser testing
Example prompts
- “/clerk-testing”
Requirements
- A credential in CLERK_TESTING_TOKEN
- Compatibility (from SKILL.md): Requires CLERK_TESTING_TOKEN from Clerk dashboard
- Pre-approved tools (allowed-tools): WebFetch
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Identify test framework (Playwright or Cypress)
- WebFetch the appropriate URL from decision tree above
- Follow official setup instructions
- Use pk_test_* and sk_test_* keys only
What it can do on your machine
Read from SKILL.md and the folder at commit e5554c5. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
WebFetch
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
clerk.comgithub.com
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.
Compatibility
Requires CLERK_TESTING_TOKEN from Clerk dashboard
From compatibility in the SKILL.md frontmatter.
Context cost
Clerk Testing loads about 483 tokens when it runs. Until then it costs about 23 tokens; SKILL.md has 154 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 geekskai/blog at commit e5554c5, republished under its MIT licence (© geekskai). 154 words, ~483 tokens.
Download SKILL.mdSave it as
.claude/skills/clerk-testing/SKILL.md (or your agent's skills folder).- name
- clerk-testing
- description
- E2E testing for Clerk apps. Use with Playwright or Cypress for auth flow tests.
- allowed-tools
- WebFetch
- compatibility
- Requires CLERK_TESTING_TOKEN from Clerk dashboard
- license
- MIT
- metadata.author
- clerk
- metadata.version
- 1.2.0
Testing
Decision Tree
Mental Model
Test auth = isolated session state. Each test needs fresh auth context.
clerkSetup()initializes test environmentsetupClerkTestingToken()bypasses bot detectionstorageStatepersists auth between tests for speed
Workflow
- Identify test framework (Playwright or Cypress)
- WebFetch the appropriate URL from decision tree above
- Follow official setup instructions
- Use
pk_test_*andsk_test_*keys only
Best Practices
- Use
setupClerkTestingToken()before navigating to auth pages - Use test API keys:
pk_test_xxx,sk_test_xxx - Save auth state with
storageStatefor faster tests - Use
page.waitForSelector('[data-clerk-component]')for Clerk UI
Anti-Patterns
| Pattern | Problem | Fix |
|---|---|---|
| Production keys in tests | Security risk | Use pk_test_* keys |
No setupClerkTestingToken() | Auth fails | Call before navigation |
| UI-based sign-in every test | Slow tests | Use storageState |
Framework-Specific
Playwright: Use globalSetup for auth state
Cypress: Add addClerkCommands({ Cypress, cy }) to support file
See Also
clerk-setup- Install Clerk before adding testsclerk-nextjs-patterns- Next.js patterns being tested- Demo Repo
© geekskai, 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 .agents/skills/clerk-testing of geekskai/blog.
Open the folder on GitHubat commit e5554c5
Used in 3 other repositories
We found 4 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 3 other GitHub owners. This page covers the copy in geekskai/blog, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Clerk Testing 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 |
|---|---|---|---|---|---|---|
| Clerk Testing this skillgeekskai/blog | 103 | 3 repos | ~483 | Automated safety check: Pass | MIT | |
| Open BrowserJasonHonKL/Openbrowser | 114 | — | ~1.6k | Automated safety check: Pass | MIT | |
| Playwright Testingchongdashu/vibejam-starter-pack | 149 | — | ~2.1k | Automated safety check: Pass | None | |
| Playwright Login Flowsandrewyng/context-hub | 14k | — | ~715 | Automated safety check: Pass | MIT | |
| Bmad Testarch Frameworkbmad-code-org/bmad-method-test-architecture-enterprise | 104 | 3 repos | ~1.2k | Automated safety check: Pass | Custom licence | |
| Playwright E2E Testingfugazi/test-automation-skills-agents | 247 | — | ~3.2k | Automated safety check: Pass | MIT |
Similar skills
Playwright Testing
chongdashu/vibejam-starter-pack
Plan, implement, and debug frontend tests: unit/integration/E2E/visual/a11y.
Playwright Login Flows
andrewyng/context-hub
Collects reusable Playwright patterns for logging in during end-to-end tests: password forms, OAuth redirects, saved browser state and TOTP two-factor codes.
Bmad Testarch Framework
bmad-code-org/bmad-method-test-architecture-enterprise
Initialize test framework with Playwright or Cypress. An agent skill from bmad-code-org/bmad-method-test-architecture-enterprise.
Playwright E2E Testing
fugazi/test-automation-skills-agents
Author and maintain versioned Playwright (@playwright/test) TypeScript UI specs for browser user flows.
React Testing
affaan-m/ECC
React component testing with React Testing Library, Vitest/Jest, MSW for network mocking, accessibility assertions with axe, and the decision boundary between component tests and Playwright/Cypress…
More from geekskai/blog
All 20 skills in this repoClerk Android
geekskai/blog
Implement Clerk authentication for native Android apps using Kotlin and Jetpack Compose with clerk-android source-guided patterns.
Clerk React Patterns
geekskai/blog
React SPA auth patterns with @clerk/react for Vite/CRA - ClerkProvider setup, useAuth/useUser/useClerk hooks, React Router protected routes, custom sign-in flows.
Clerk React Router Patterns
geekskai/blog
React Router v7/v8 patterns with Clerk — rootAuthLoader, getAuth in loaders, clerkMiddleware, protected routes, SSR user data, org switching.
Clerk Tanstack Patterns
geekskai/blog
TanStack React Start auth patterns with @clerk/tanstack-react-start - createServerFn, beforeLoad guards, loaders, Vinxi server.
Clerk Astro Patterns
geekskai/blog
Astro patterns with Clerk — middleware, SSR pages, island components, API routes, static vs SSR rendering.
Clerk Billing
geekskai/blog
Clerk Billing for subscription management - render Clerk's PricingTable and in-app checkout drawer, configure subscription plans, seat-limit plans for B2B, feature entitlements with has(), and…
Related
Works with
Categories
Questions about Clerk Testing
What does Clerk Testing do?
E2E testing for Clerk apps. An agent skill from geekskai/blog. Clerk Testing is an agent skill from geekskai/blog. E2E testing for Clerk apps.
When should I use Clerk Testing?
Clerk Testing fits situations like: tasks that involve End-to-end testing; tasks that involve Authentication; tasks that involve Browser testing.
How do I install Clerk Testing in Claude Code?
Run `npx skills add geekskai/blog --skill clerk-testing -a claude-code`. Or copy the skill folder (.agents/skills/clerk-testing in geekskai/blog) into .claude/skills/clerk-testing in your project. Claude Code loads it when a task matches its description.
How do I install Clerk Testing in Codex?
Run `npx skills add geekskai/blog --skill clerk-testing -a codex`. Or copy the skill folder (.agents/skills/clerk-testing in geekskai/blog) into .agents/skills/clerk-testing in your project. Codex loads it when a task matches its description.
Can I use Clerk Testing 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 geekskai/blog --skill clerk-testing -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/clerk-testing, .gemini/skills/clerk-testing, .github/skills/clerk-testing and .opencode/skills/clerk-testing in your project.
What does Clerk Testing need to run?
SKILL.md names no scripts, command-line tools or credentials: Clerk Testing is instructions for the agent only. Our summary lists: A credential in CLERK_TESTING_TOKEN. Its frontmatter pre-approves these tools: WebFetch. Compatibility (from SKILL.md): Requires CLERK_TESTING_TOKEN from Clerk dashboard.
Does Clerk Testing access the network?
SKILL.md names 2 domains. As links in the text: clerk.com and github.com. This is read from the text; nothing was executed.
Is Clerk Testing 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 Clerk Testing use?
Clerk Testing 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 Clerk Testing use?
About 483 tokens (SKILL.md is roughly 1.9k 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 Clerk Testing?
Skills that share tags, products or a category with Clerk Testing: Open Browser (JasonHonKL/Openbrowser, 114 stars), Playwright Testing (chongdashu/vibejam-starter-pack, 149 stars), Playwright Login Flows (andrewyng/context-hub, 14k stars) and Bmad Testarch Framework (bmad-code-org/bmad-method-test-architecture-enterprise, 104 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Clerk Testing?
geekskai (a GitHub user) maintains it in geekskai/blog, which has 103 GitHub stars. The repository holds 20 skills in this directory. The repository was last updated on October 7, 2026.
Source: geekskai/blog on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.