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Claude Cowork

Claude Cowork

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Plugin

Clerk Pack

Claude Code skill pack for Clerk authentication (24 skills)

Type
Plugin
Repository
jeremylongshore/tons-of-skills-marketplace
GitHub stars
2.8k
License
MIT
Repo last updated
Sep 27, 2026
Source file
plugins/saas-packs/clerk-pack/.claude-plugin/plugin.json
Version
1.15.0
Author
Jeremy Longshore

What Clerk Pack is

Clerk Pack is a plugin published in the jeremylongshore/tons-of-skills-marketplace repository on GitHub, which has about 2.8k stars. The repository describes itself as: “Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.”

A plugin is a package that bundles skills, slash commands, subagents, hooks, and MCP connectors so they install together. Plugins are plain files with a manifest at .claude-plugin/plugin.json, and they work in both Claude Code and Claude Cowork.

Installing Clerk Pack adds everything it ships in one step. Connectors inside a plugin still need to be connected separately, and hooks and subagents only run in Cowork and Claude Code, not in regular chat.

How to install Clerk Pack

Claude Code

  1. Add the repository as a plugin marketplace: claude plugin marketplace add jeremylongshore/tons-of-skills-marketplace
  2. Install the plugin: claude plugin install clerk-pack@<marketplace-name>, using the marketplace name from the repository's .claude-plugin/marketplace.json.
  3. Restart the session if the new skills or commands don't appear straight away.

Claude Cowork

  1. Open Customize → Plugins and choose Add marketplace.
  2. Enter jeremylongshore/tons-of-skills-marketplace (the owner/repo shorthand works for GitHub).
  3. Find Clerk Pack in the list, click Install, then connect any connectors it needs from its Connectors tab.

New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.

Inside the source file

An excerpt from plugins/saas-packs/clerk-pack/.claude-plugin/plugin.json, shared under the repository's MIT license. Read the full file on GitHub.

> 24 production-ready Claude Code skills for Clerk authentication -- real @clerk/nextjs v6 API code, not templates.

What This Is

A complete skill pack for building, deploying, and operating Clerk-authenticated applications. Every skill contains real Clerk v6 code: clerkMiddleware(), auth(), createRouteMatcher(), verifyWebhook(), Svix HMAC verification, organization RBAC with has(), and more. No placeholder imports, no fake API patterns.

Installation

/plugin install clerk-pack@claude-code-plugins-plus

Skills

Standard Skills (S01-S12)

Pro Skills (P13-P18)

Flagship Skills (F19-F24)

Usage

Skills trigger automatically when you discuss Clerk topics:

  • "Help me set up Clerk" -> clerk-install-auth
  • "Fix this Clerk error" -> clerk-common-errors
  • "Deploy my Clerk app" -> clerk-deploy-integration
  • "Migrate from Auth0 to Clerk" -> clerk-migration-deep-dive

Key Clerk Concepts Covered

  • Middleware: clerkMiddleware() with createRouteMatcher() -- no default route protection, explicit auth.protect()
  • Server auth: auth() (lightweight JWT parse) vs currentUser() (Backend API call, rate-limited)
  • Client auth: useUser(), useAuth(), useClerk(), , ,
  • Organizations: OrganizationSwitcher, has({ role }), has({ permission }), org-scoped sessions
  • Webhooks: Svix HMAC-SHA256 verification, verifyWebhook() from @clerk/backend/webhooks
  • JWT Templates: Custom tokens for Supabase, Hasura, Convex integration
  • Express: clerkMiddleware(), requireAuth(), getAuth() from @clerk/express
  • Session tokens v2: Compact format (default since April 2025), custom claims via Dashboard

License

MIT

Before you install

  • Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
  • Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
  • Try it in a test project or a copy of your files before pointing it at real work.
  • Pin the version you tested, and review changes before updating.
  • Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.

FAQ

What is Clerk Pack?

Clerk Pack is a plugin for Claude Code and Claude Cowork from the jeremylongshore/tons-of-skills-marketplace repository on GitHub. Claude Code skill pack for Clerk authentication (24 skills)

How do I install Clerk Pack in Claude Code?

Add the repository as a plugin marketplace: claude plugin marketplace add jeremylongshore/tons-of-skills-marketplace Install the plugin: claude plugin install clerk-pack@<marketplace-name>, using the marketplace name from the repository's .claude-plugin/marketplace.json. Restart the session if the new skills or commands don't appear straight away.

Can I use Clerk Pack in Claude Cowork?

Open Customize → Plugins and choose Add marketplace. Enter jeremylongshore/tons-of-skills-marketplace (the owner/repo shorthand works for GitHub). Find Clerk Pack in the list, click Install, then connect any connectors it needs from its Connectors tab.

Is Clerk Pack safe to install?

It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.

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Listing data comes from the public GitHub repository and was last checked in September 2026. Excerpts are © their authors and shared under MIT. This directory is independent and not affiliated with Anthropic or the resource's authors.