OpenFGA (Fine-Grained Auth) MCP Server for Google ADKGive Google ADK instant access to 16 tools to Batch Check Relations, Check Relation, Create Store, and more
GDPR Free for SubscribersGoogle Agent Development Kit (ADK) is Google's framework for building production AI agents. Add OpenFGA (Fine-Grained Auth) as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.
Ask AI about this MCP Server for Google ADK
The OpenFGA (Fine-Grained Auth) MCP Server for Google ADK is a standout in the Developer Tools category — giving your AI agent 16 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminifrom google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
StreamableHTTPConnectionParams,
)
# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
connection_params=StreamableHTTPConnectionParams(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
)
)
agent = Agent(
model="gemini-2.5-pro",
name="openfga_fine_grained_auth_agent",
instruction=(
"You help users interact with OpenFGA (Fine-Grained Auth) "
"using 16 available tools."
),
tools=[mcp_tools],
)
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About OpenFGA (Fine-Grained Auth) MCP Server
Connect your OpenFGA instance to any AI agent to manage Relationship-Based Access Control (ReBAC) through natural conversation. OpenFGA is an open-source fine-grained authorization solution inspired by Google's Zanzibar.
Google ADK natively supports OpenFGA (Fine-Grained Auth) as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 16 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.
What you can do
- Store Management — Create, list, and delete isolated stores to manage authorization data for different environments or applications.
- Authorization Modeling — Define and retrieve complex authorization models using types and relations to represent your system's permissions.
- Tuple Management — Write, read, and track changes to relationship tuples that define which users have which relations to specific objects.
- Relationship Checks — Instantly evaluate whether a user has a specific relation to an object (e.g., 'can user:anne view document:1?').
- Health Monitoring — Quickly check the status of your OpenFGA instance to ensure high availability.
The OpenFGA (Fine-Grained Auth) MCP Server exposes 16 tools through the Vinkius. Connect it to Google ADK in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 16 OpenFGA (Fine-Grained Auth) tools available for Google ADK
When Google ADK connects to OpenFGA (Fine-Grained Auth) through Vinkius, your AI agent gets direct access to every tool listed below — spanning authorization, rebac, access-control, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.
Batch check relations on OpenFGA (Fine-Grained Auth)
Perform multiple checks in one request
Check relation on OpenFGA (Fine-Grained Auth)
Check if a user has a relation to an object
Create store on OpenFGA (Fine-Grained Auth)
Create a new OpenFGA store
Delete store on OpenFGA (Fine-Grained Auth)
Delete an OpenFGA store
Expand relation on OpenFGA (Fine-Grained Auth)
Expand a relation into a tree
Get authorization model on OpenFGA (Fine-Grained Auth)
Get a specific authorization model
Get store on OpenFGA (Fine-Grained Auth)
Get OpenFGA store details
Health check on OpenFGA (Fine-Grained Auth)
Check OpenFGA server health
List authorization models on OpenFGA (Fine-Grained Auth)
List authorization models
List objects on OpenFGA (Fine-Grained Auth)
List all objects a user can access
List stores on OpenFGA (Fine-Grained Auth)
List all OpenFGA stores
List users on OpenFGA (Fine-Grained Auth)
List all users who have a relation to an object
Read changes on OpenFGA (Fine-Grained Auth)
Read changes to relationship tuples
Read tuples on OpenFGA (Fine-Grained Auth)
Query stored relationship tuples
Write authorization model on OpenFGA (Fine-Grained Auth)
Write a new authorization model
Write tuples on OpenFGA (Fine-Grained Auth)
Add or delete relationship tuples
Connect OpenFGA (Fine-Grained Auth) to Google ADK via MCP
Follow these steps to wire OpenFGA (Fine-Grained Auth) into Google ADK. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install Google ADK
pip install google-adkReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenCreate the agent
Explore tools
Why Use Google ADK with the OpenFGA (Fine-Grained Auth) MCP Server
Google ADK provides unique advantages when paired with OpenFGA (Fine-Grained Auth) through the Model Context Protocol.
Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution
Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with OpenFGA (Fine-Grained Auth)
Production-ready features like session management, evaluation, and deployment come built-in. not bolted on
Seamless integration with Google Cloud services means you can combine OpenFGA (Fine-Grained Auth) tools with BigQuery, Vertex AI, and Cloud Functions
OpenFGA (Fine-Grained Auth) + Google ADK Use Cases
Practical scenarios where Google ADK combined with the OpenFGA (Fine-Grained Auth) MCP Server delivers measurable value.
Enterprise data agents: ADK agents query OpenFGA (Fine-Grained Auth) and cross-reference results with internal databases for comprehensive analysis
Multi-modal workflows: combine OpenFGA (Fine-Grained Auth) tool responses with Gemini's vision and language capabilities in a single agent
Automated compliance checks: schedule ADK agents to query OpenFGA (Fine-Grained Auth) regularly and flag policy violations or configuration drift
Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including OpenFGA (Fine-Grained Auth)
Example Prompts for OpenFGA (Fine-Grained Auth) in Google ADK
Ready-to-use prompts you can give your Google ADK agent to start working with OpenFGA (Fine-Grained Auth) immediately.
"List all my OpenFGA stores."
"Check if user 'anne' has the 'viewer' relation to 'document:doc1' in store 01H1..."
"Create a new OpenFGA store named 'Security-Audit-Logs'."
Troubleshooting OpenFGA (Fine-Grained Auth) MCP Server with Google ADK
Common issues when connecting OpenFGA (Fine-Grained Auth) to Google ADK through Vinkius, and how to resolve them.
McpToolset not found
pip install --upgrade google-adkOpenFGA (Fine-Grained Auth) + Google ADK FAQ
Common questions about integrating OpenFGA (Fine-Grained Auth) MCP Server with Google ADK.
How does Google ADK connect to MCP servers?
Can ADK agents use multiple MCP servers?
Which Gemini models work best with MCP tools?
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