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Vinkius

Integrate Cerbos with Claude, Cursor, Chatbots & AI Agents MCP Server

Decouple authorization logic from your application. Evaluate permissions, generate query plans, and manage access control via AI.
MCP Inspector GDPR Free for Subscribers

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
authzen

Authzen evaluation on Cerbos

Single action evaluation using the AuthZEN entity model

authzen

Authzen evaluations on Cerbos

Supports execute_all, deny_on_first_deny, and permit_on_first_permit semantics. Batch evaluation of multiple access requests using AuthZEN

check

Check resources on Cerbos

This is a read-only evaluation. Evaluates permissions for a principal on a set of resources

get

Get authzen config on Cerbos

Returns endpoint URLs for the AuthZEN APIs

get

Get server info on Cerbos

Returns the version and build details of the Cerbos instance

plan

Plan resources on Cerbos

Produces a query plan for obtaining a list of resources a principal is allowed to access

Security & Code Integrity Audit

Every tool in the Cerbos MCP Server is continuously audited by the Vinkius Security Engine. We guarantee zero-trust payload isolation, strict data boundaries, and deterministic execution for enterprise-grade AI agents.

MCP Inspector
A+Score: 98.33

How Vinkius protects your data

Is there a risk of the AI "going crazy" and deleting important company data?

No. With Vinkius, the AI operates on "rails". It can only make the exact moves you authorized in the tool's settings. It cannot invent routes, access other networks in your company, or decide to delete random files. If the action isn't in the approved catalog, the attempt is blocked instantly.

How does the AI access my passwords and credentials?

It simply doesn't. On Vinkius, your passwords, API keys, and login details are kept in a secure vault. The AI (like ChatGPT or Claude) merely "asks" Vinkius to perform the task. Vinkius opens the door, does the work, and hands the result back to the AI. Your credentials are never seen, read, or learned by the artificial intelligence.

What if the AI ends up reading customer data or confidential information?

We have a built-in digital "bodyguard" called DLP (Data Loss Prevention). If a tool fetches data and the response contains social security numbers, credit cards, or personal customer info, Vinkius magically blocks and erases that information before it is delivered to the AI. The AI works only with what is strictly necessary, and your sensitive data never leaks.

Is it possible to verify the Cerbos server version via AI?

Yes, the get_server_info tool retrieves the version, build date, and commit hash of your connected Cerbos instance.

Supported Use Cases for Cerbos

Enable conversational interfaces like ChatGPT and Claude to execute programmatic commands against the Cerbos infrastructure.

Cursor Copilot for authorization

Add authorization functionality to your custom chatbots. The Cerbos MCP handles the payload formatting required for ChatGPT and Claude to interface with developer tools endpoints.

Connecting rbac with Cursor

Connect the Cerbos server to enable rbac workflows. The integration provides structured schemas for Claude to mutate developer tools data.

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