OpenFGA (Fine-Grained Auth) MCP, Ready to Go
Manage ReBAC permissions and OpenFGA models with AI agents in Claude or Cursor. Get instant access control answers and manage stores easily.
No credit card required. Experience the power of this integration risk-free.
Manage complex ReBAC permissions and authorization models with natural language.
Works with every AI agent you already use
…and any MCP-compatible client
How fast is the OpenFGA (Fine-Grained Auth) Connector?
Average time for the server to become ready for requests over the last 14 days, measured until the initialize / tools/list handshake completes. Metrics are updated daily between 00:00 and 04:00 UTC. Create a free account, use this Connector on Vinkius Cloud, and connect it to your AI agent in seconds.
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What AI agents can do with OpenFGA 16-Tool ReBAC Authorization Management
Use these tools to manage authorization models, stores, and relationship tuples through your AI agent.
Check relation
Check if a user has a relation to an object. This lets you verify specific permissions instantly.
Create store
Create a new OpenFGA store. Use this to set up isolated environments for different applications.
Delete store
Delete an OpenFGA store. This helps you clean up old environments or test new setups.
Expand relation
Expand a relation into a tree. Use this to visualize the hierarchy of nested permissions.
Get authorization model
Get a specific authorization model. This lets you see the structure of your security logic.
Get store
Get OpenFGA store details. Use this to check the configuration of a specific environment.
Health check
Check OpenFGA instance health. This helps you ensure your authorization system is running correctly.
List authorization models
List authorization models. Use this to see all the security models you have defined.
List objects
List all objects a user can access. This is great for auditing what a specific user can see.
List stores
List all OpenFGA stores. Use this to see all your managed environments at once.
List users
List all users who have a relation to an object. This helps you identify everyone with access to a resource.
Read changes
Read changes to relationship tuples. Use this to track updates to your security rules.
Read tuples
Query stored relationship tuples. This lets you see the raw data of your permission links.
Write authorization model
Write a new authorization model. Use this to define new types and relations for your system.
Write tuples
Add or delete relationship tuples. This is how you grant or revoke specific permissions.
Batch check relations
Perform multiple checks in one request. Use this to verify many permissions at the same time.
A Connector is a URL. Vinkius runs it: hosting, security, governance, observability.
You're looking at one of 5,800+ managed Connectors. The real value isn't the catalog. It's the control plane that secures, governs, audits, and manages every interaction between your agents and the tools they use.
No Shadow AI
Every agent action is visible, approved, and auditable. Nothing runs outside your governance.
Absolute agent control
Fine-grained permissions for every agent, MCP, and tool. Instantly revoke access and audit every execution.
Cost control per token
Spend broken down to the token, tool, and agent. Budgets and hard limits. No surprise invoices.
Managed & monitored infra
We operate the runtime, authentication, scaling, retries, and monitoring. Your team manages AI, not infrastructure.
Data protection, DLP by design
Sensitive data is filtered before reaching the model. Access is governed so agents receive only the information they're allowed to use.
Token optimization, real savings
Lower AI costs by delivering the right context instead of unnecessary tools. Better accuracy, faster responses, and fewer wasted tokens.
OpenFGA ReBAC Authorization Management for AI Agents
This is for security engineers and backend developers who are tired of manual permission auditing and want to manage complex relationships without writing boilerplate code.
Security Engineer
Audits relationship tuples and verifies authorization models to ensure security policies are correctly enforced.
Backend Developer
Tests and iterates on authorization models during development to ensure new features have the correct access controls.
DevOps Engineer
Monitors the health of the authorization instance and manages environment-specific stores across clusters.
Frequently Asked Questions
How does OpenFGA help with my application permissions? +
It allows you to manage complex permissions based on relationships. Instead of just checking roles, it checks how users and objects are connected, which is ideal for systems with complex sharing rules.
Can I use OpenFGA for different environments? +
Yes, you can create isolated stores for different environments like staging, production, and development. This keeps your security logic separate and organized.
How do I check if a user has access to a specific resource? +
You can simply ask your agent to check the relation for you. It will query the system and tell you immediately if the user is allowed to see or modify that specific object.
What is a relationship tuple in OpenFGA? +
A relationship tuple is a way to define a link between two entities, like a user and a document. It tells the system that a specific connection exists, which the system then uses to calculate permissions.
Is OpenFGA good for scaling large systems? +
Yes, it's inspired by Google's Zanzibar, which was built to handle permissions at massive scale. It's designed specifically for high-performance, fine-grained authorization.
Can I manage multiple stores at once? +
Yes, you can list all your stores and switch between them easily using natural language commands. This makes managing multi-tenant or multi-environment setups much faster.
How can I check if a specific user has access to a resource? +
You can use the check_relation tool. Provide the store ID and the relationship details (user, relation, and object) to get an immediate boolean response on whether the access is permitted.
Can I see the history of changes made to relationship tuples? +
Yes, the read_changes tool allows you to retrieve the changelog of relationship tuples for a specific store, optionally filtered by object type.
How do I define a new authorization model? +
Use the write_authorization_model tool. You will need to provide the store ID, the schema version, and a JSON array of type definitions that describe your relations.
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