Clerk MCP Server
Official Clerk MCP server (part of Clerk's agent toolkit) enabling AI agents to manage Clerk user data — creating, reading, updating users, managing sessions, checking permissions, and handling organization memberships.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
HTTPS enforced. Single Secret Key without scopes is a gap — Clerk is aware and working on it. SOC 2 Type II, HIPAA, GDPR. Auth-provider grade security.
⚡ Reliability
Best When
An agent needs to manage users, check permissions, or handle authentication data in a Next.js/React app using Clerk for auth.
Avoid When
You're using Auth0, Supabase Auth, or another identity provider — use their respective MCPs.
Use Cases
- • Managing Clerk user accounts and profiles from agent workflows
- • Checking user permissions and roles for authorization agents
- • Managing organization memberships and invitations via agents
- • Creating user accounts programmatically from onboarding agents
- • Auditing user session and authentication activity
Not For
- • Non-Clerk authentication systems (Auth0, Supabase Auth)
- • End-user login flows (this is the Clerk Backend API)
- • Frontend UI component management
Interface
Authentication
Clerk Secret Key (sk_live_*) for backend API access. No fine-grained scopes — key grants full backend API access for the application.
Pricing
Generous free tier. MCP agent toolkit is open source. Clerk subscription required for full API access.
Agent Metadata
Known Gotchas
- ⚠ Secret Key must never be exposed client-side — backend-only usage
- ⚠ Development vs Production instances use different Secret Keys
- ⚠ User IDs are Clerk-specific (user_xxx format) — not portable across auth providers
- ⚠ Organization features require separate configuration — not enabled by default
- ⚠ Webhook events preferred for reactive workflows — polling user state is expensive
- ⚠ API key lacks scope granularity — full application access with single key
Alternatives
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Scores are editorial opinions as of 2026-03-07.