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Vinkius

Cerbos Connector for AI agents.

6 live capabilities

Manage granular permissions and access control policies through natural language.

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AI Agent

Why people use Cerbos

Cerbos Authorization Policy Auditing for Security Teams

This Connector changes that by letting you talk to your Cerbos instance directly. You can ask your agent to verify a permission or audit a batch of requests, getting a clear answer in seconds instead of minutes of manual work.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
  • Visual Studio Code
  • Windsurf

What Vinkius changes

That you get instant, conversational access to your authorization logic without manual testing.

Use it from Claude, ChatGPT, Cursor or another AI client you already have.

One account · 5,900+ Connectors

  1. Real-world use case 01

    Debugging a Permission Denied error

    A developer asks the agent to check why a specific user can't edit a document using check_resources.

  2. Real-world use case 02

    Building a secure admin dashboard

    A developer uses plan_resources to see which filters to apply to a list of users to keep it secure.

  3. Real-world use case 03

    Security auditing

    An auditor asks the agent to evaluate a batch of requests to find potential security gaps using authzen_evaluations.

Complete set · 6capabilities

The complete Cerbos capability set.

These are the exact actions your AI can choose when you ask it to work with Cerbos.

Capability set01 / 02

01—03

3 capabilities in this set.

Part of 6 available through Cerbos.

  1. 01 Capability

    Get server info

    Get the current version and build details of your Cerbos instance. This is useful for verifying your current deployment status.

  2. 02 Capability

    Get authzen config

    Retrieve the endpoint URLs for your AuthZEN APIs. This helps you quickly grab the configuration needed for your integration.

  3. 03 Capability

    Authzen evaluation

    Perform a single action evaluation using the AuthZEN entity model. Use this for one-off permission checks.

Capability set02 / 02

04—06

3 capabilities in this set.

Part of 6 available through Cerbos.

  1. 04 Capability

    Authzen evaluations

    Batch evaluate multiple access requests using AuthZEN semantics like deny_on_first_deny. This helps you check many permissions at once.

  2. 05 Capability

    Check resources

    Verify if a specific principal has permission to perform actions on a set of resources. Use this for quick, read-only permission checks.

  3. 06 Capability

    Plan resources

    Create an AST-based query plan to filter database results according to user permissions. This tells you exactly what filters to apply in your code.

Set up in minutes

One URL. Then ask Cerbos to work.

Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Cerbos from the conversation.

Choose your client

Live preview
Advanced clients IDE · CLI

Claude · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP
https://edge.vinkius.com/vk_preview_y0c5dNo7ENj8oh5gsdkYK0hZAMSRgY44sro1JyED/mcp
  1. Step 01

    Open Connectors

    In Claude Web or Claude Desktop, open Settings and choose Connectors.

  2. Step 02

    Add the URL

    Choose Add custom connector, name it Cerbos, and paste the URL above.

  3. Step 03

    Turn it on in chat

    Select +, open Connectors, and enable Cerbos for the conversation.

Where the request belongs

Work Cerbos can move forward.

Built around the request

This is for the security engineer who is tired of manual policy audits and the backend developer who wants to ensure their queries are always compliant with RBAC rules.

01

Security Engineer

Auditing complex permission sets to ensure no one has over-privileged access.

02

Backend Developer

Writing database queries that need to respect dynamic user permissions.

03

DevOps Engineer

Checking instance health and verifying configuration metadata during deployment.

Build the capability set

Add more capabilities.

Each Connector adds new actions and data without changing how you work.

Browse Connectors
Cerbos (Access Control) logo
01 19 capabilities

Cerbos (Access Control)

Decouple authorization from your code. Manage policies, check permissions, and audit access control directly through your AI agent.

View Connector
Permify logo
02 21 capabilities

Permify

Manage fine-grained authorization and access control via Permify. write schemas, manage relation tuples, and perform real-time permission checks.

View Connector
Permit.io logo
03 18 capabilities

Permit.io

Orchestrate full-stack authorization, manage RBAC/ReBAC policies, and evaluate permissions in real-time via Permit.io.

View Connector
OpenFGA (Fine-Grained Auth) logo
04 16 capabilities

OpenFGA (Fine-Grained Auth)

Manage fine-grained authorization with OpenFGA. create stores, define authorization models, and manage relationship tuples directly from your AI agent.

View Connector
Aserto logo
05 7 capabilities

Aserto

Manage authorization policies and evaluate access control decisions via Aserto. run Rego queries, check user permissions, and audit decision logs.

View Connector
Authing logo
06 10 capabilities

Authing

Cloud-native identity and access management platform. manage users, roles, and security logs via AI.

View Connector

Bring your own AI

Change the model, client or framework. Keep Cerbos connected.

  • Claude
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  • Cursor
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Before you connect

Questions about Cerbos.

The practical details behind the request, access and result.

What is Cerbos MCP for?

Cerbos MCP lets you manage and audit your authorization policies using natural language. You can ask your AI client to check permissions, generate query plans, or verify security rules without leaving your chat interface.

How can I use Cerbos to check permissions?

You can simply ask your AI agent to verify if a specific user or role can perform an action on a resource. The Connector will check your Cerbos policies and give you a clear allow or deny answer immediately.

Can Cerbos help with my database queries?

Yes. It can generate query plans that tell you exactly what filters to apply to your database results to ensure they comply with your security policies.

Is Cerbos good for RBAC and ABAC?

It is built specifically for both RBAC and ABAC. It helps you manage complex permission logic and ensures your AI agent can evaluate those rules accurately in real time.

How do I connect Cerbos to my AI client?

Once you subscribe to the Connector, you just need to provide your Cerbos instance base URL in your AI client settings. From there, your agent can start interacting with your policies.

Can I audit my security policies with Cerbos?

Absolutely. You can ask your agent to evaluate batches of requests or check specific roles to ensure your policies are behaving exactly as you intended.

Can I check if a specific user has permission to access a resource?

Yes. Use the check_resources capability by providing the principal (user) details and the resource information. The agent will return an evaluation of allowed or denied actions.

How do I generate a filter for my database based on user permissions?

Use the plan_resources capability. It produces a query plan (AST) that you can use to construct database queries, ensuring users only see records they are authorized to access.

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

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

One connection away

Give your agent a direct line to Cerbos.

Connect Cerbos once. Keep it beside 5,900+ managed Connectors when the next task needs more.

Explore every Connector No credit card required · Free tier available