How to Use the Coupa MCP in Google ADK

Q: Can I restrict which Coupa tools the Google ADK agent can access?

Yes. Use the optional toolnames filter in your McpToolset configuration. This lets you restrict an agent to read-only tools like listinvoices while blocking write actions.

Connect the Coupa MCP Server to Google ADK to analyze millions of procurement records with Gemini's long context.

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Connect Coupa MCP to Google ADK

Create your Vinkius account to connect Coupa to Google ADK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Coupa with Google ADK

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Run high-context analysis via Google ADK

The Coupa MCP Server exposes `list_purchase_orders` and `list_invoices` to Gemini's one-million-token context window to analyze massive procurement histories. Your agent ingests thousands of raw records in a single turn to run deep audits. This setup allows the model to spot historical pricing trends and supplier behaviors that shorter context models miss. You get deep, data-driven insights without chunking your data or building complex vector databases.

Ground enterprise agent decisions with BigQuery data

Your agent combines real-time Coupa data from `get_supplier_details` with your warehouse tables inside Google Cloud. By matching live supplier profiles against historical performance records, your agent makes better vendor selections. The Google ADK toolset handles transport and execution out of the box. Your agent queries active agreements via `list_contracts` and verifies terms against your internal data warehouses.

Direct resource queries for complex workflows

When standard endpoints don't cut it, your agent runs `query_coupa_resource` to extract raw JSON directly from the REST API. This allows Google ADK agents to build custom data pipelines for Vertex AI models. For everyday tasks, the agent tracks requisitions using `list_requisitions` to monitor approval steps. It acts as an autonomous operations manager directly inside your Google Cloud project.

Setup guide

Set up Coupa MCP in Google ADK

Prerequisites

Python 3.10+ installed
google-adk package (pip install google-adk)
Active Vinkius subscription with a valid endpoint token

1

Install Google ADK

Run pip install google-adk to install the Agent Development Kit. MCP support is included via the McpToolset class.
2

Connect via SSE transport

Use McpToolset.from_server() with SseServerParams pointing to your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Create an LlmAgent

Pass the returned mcp_tools list directly to LlmAgent(tools=mcp_tools). The ADK maps each MCP tool to a native Gemini function call — no manual schema definitions required.
4

Run with any Gemini model

The agent works with any Gemini model (gemini-2.0-flash, gemini-2.5-pro, etc.). Copy the full example on the right to get started with Coupa tools in your ADK agent.

agent.py

from google.adk.agents import LlmAgent
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import SseServerParams

# Connect to the MCP via SSE
mcp_tools, exit_stack = await McpToolset.from_server(
    connection_params=SseServerParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    )
)

# Create your agent with auto-discovered tools
agent = LlmAgent(
    name="Coupa_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Coupa tools via MCP.",
    tools=mcp_tools,
)

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Common questions about Coupa MCP in Google ADK

Install google-adk and use McpToolset with your Vinkius HTTP transport URL. Pass this toolset directly to your LlmAgent instance to expose the procurement tools.

Yes. Use the optional tool_names filter in your McpToolset configuration. This lets you restrict an agent to read-only tools like list_invoices while blocking write actions.

Gemini holds over a million tokens, meaning your agent pulls hundreds of purchase orders using list_purchase_orders and processes them all in a single prompt.

Yes. The server supports both transport mechanisms, but Vinkius hosts it as a managed HTTP service for simple deployment and scaling.

They are never stored. The managed MCP Server runs in an ephemeral V8 Isolate sandbox that processes requests on the fly and immediately destroys the execution environment once the tool call completes.

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