Clerk MCP vs Keycloak: Which is Better in 2026?
Choosing between Clerk MCP and Keycloak comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Clerk MCP
Manage users, orgs, and roles via an agent toolkit
Best for you if:
- • You need developer tools features specifically
- • You need manage users, orgs, and roles via an agent toolkit
- • You want to start free and upgrade later
Keycloak
Open-source identity and access management
Best for you if:
- • You need something completely free
- • You need identity & access features specifically
- • Keycloak is an open-source identity and access management solution
- • It provides SSO, social login, and user federation for applications and services
| At a Glance |  Clerk MCP | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Developer Tools | Identity & Access |
Rating | - | 4.3/5 |
Free plan | Yes | Yes |
Choose Clerk MCP or Keycloak?
Choose Clerk MCP if
Manage users, orgs, and roles via an agent toolkit
- Your work is developer tools-shaped, not identity & access-shaped
Choose Keycloak if
Open-source identity and access management
- Open source identity
- Self-hostable
- Feature rich
- You want a fully free tool (Clerk MCP requires payment)
- Your work is identity & access-shaped, not developer tools-shaped
| Feature | Clerk MCP | Keycloak |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | No ratings yet | ★4.3/5 101 reviews |
| Categories | Developer ToolsAI Coding | Identity & AccessSecurity |
In-Depth Analysis
Clerk MCP
Manage users, orgs, and roles via an agent toolkit
Key features
Value 78/100. Clerk MCP's pricing is fair for its feature set, with a generous free tier (Hobby) that includes up to 50K MRU per app and custom domains.
Watch out: Overage fees $0.02 per additional MRU on Pro
Keycloak
Open-source identity and access management
Strengths
- +Open source identity
- +Self-hostable
- +Feature rich
- +No per-user cost
- +Enterprise ready
Weaknesses
- -Complex to set up
- -Requires maintenance
- -Learning curve
- -Java-based
- -UI dated
Key features
Value 95/100. Keycloak's pricing is exceptionally generous, being entirely free as an open-source solution.
Watch out: Infrastructure hosting costs (servers, networking)
Pricing: Clerk MCP vs Keycloak
| Plan | Clerk MCP | Keycloak |
|---|---|---|
| Tier 1 | Free Hobby | Free Open Source |
| Tier 2 | $20/mo Pro | N/A |
| Tier 3 | $250/mo Business | N/A |
| Tier 4 | Contact us Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Clerk MCP pricing and Keycloak pricing.
Who Should Use What?
On a budget?
Keycloak is free. Clerk MCP is freemium.
Go with: Keycloak
Want the highest-rated option?
Keycloak is rated 4.3/5. Clerk MCP has no ratings yet.
Go with: Keycloak
Value user reviews?
Clerk MCP: no ratings yet. Keycloak: 101 reviews (4.3/5).
Go with: Keycloak
3 Questions to Help You Decide
What's your budget?
Clerk MCP is freemium. Keycloak is free. Go with Keycloak if free matters most.
What's your use case?
Clerk MCP is a developer tools tool. Keycloak is in identity & access. Pick the category that matches your needs.
How important are ratings?
Keycloak is rated 4.3/5; Clerk MCP has no ratings yet.
Key Takeaways
Keycloak
- Completely free
- Our pick for this comparison
Clerk MCP
- Better fit for developer tools
The Bottom Line
Keycloak is our pick.
Frequently Asked Questions
Is Clerk MCP or Keycloak better?
Keycloak is rated in our evaluation. Clerk MCP is freemium and Keycloak is free.
What are Clerk MCP and Keycloak used for?
Clerk MCP: Manage users, orgs, and roles via an agent toolkit. Keycloak: Open-source identity and access management.
What does Clerk MCP cost vs Keycloak?
Clerk MCP is freemium (free tier + paid plans). Keycloak is completely free. Visit their websites for detailed pricing.