How to Use the Zoho Invoice MCP in Google ADK

Q: How do I list all customer contacts in Zoho Invoice with Google ADK?

The agent uses the listcontacts tool. It returns names, IDs, emails, and how much money is currently outstanding for each contact.

Q: What tools can manage invoicing status in Zoho Invoice using Google ADK?

You can check statuses with both listinvoices and listestimates. Both allow filtering by specific states like 'paid' or 'draft'.

Q: Can I list all payments received for Zoho Invoice using Google ADK?

Absolutely. The agent calls listpayments, which is perfect for checking cash flow and reconciling the books against recorded invoices.

Q: What if I need to see a specific invoice detail in Zoho Invoice using Google ADK?

Just call getinvoice and pass the specific ID. This returns all the detailed information you need about that one billing record, including line items.

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Connect Zoho Invoice MCP to Google ADK

Create your Vinkius account to connect Zoho Invoice 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 Zoho Invoice with Google ADK

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Managing Customer Accounts

Your agent calls `list_contacts` to get a full roster of customers, optionally filtering by name. The result gives you names, IDs, emails, and current outstanding balances. You can also use `get_contact` if you need the complete details for one specific customer ID.

Creating Sales Documents

Need to bill someone? The agent runs `create_invoice`, which requires a `customer_id` and at least one line item with name/rate. It automatically drafts the invoice. If you just want to quote something, call `list_estimates`. You can filter these quotes by status—whether they're 'sent', or maybe 'accepted'.

Tracking Expenses and Items

The agent uses `list_expenses` to track money out. It provides expense dates, categories, amounts, vendors, and links them to specific projects. You also access the inventory details using `list_items`, which shows every product or service managed in Zoho Invoice.

Setup guide

Set up Zoho Invoice 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 Zoho Invoice 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="Zoho Invoice_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Zoho Invoice tools via MCP.",
    tools=mcp_tools,
)

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Zoho Invoice. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Zoho Invoice MCP in Google ADK

The agent uses the `list_contacts` tool. It returns names, IDs, emails, and how much money is currently outstanding for each contact.

You can check statuses with both `list_invoices` and `list_estimates`. Both allow filtering by specific states like 'paid' or 'draft'.

Absolutely. The agent calls `list_payments`, which is perfect for checking cash flow and reconciling the books against recorded invoices.

Just call `get_invoice` and pass the specific ID. This returns all the detailed information you need about that one billing record, including line items.

When tracking expenses, this server accesses categorized financial records, specifically `expense details`. This includes dates, amounts, and vendor names for every item.

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