Can I draft a new invoice by providing a JSON list of items?

Yes. The `create_invoice` tool allows you to generate a draft invoice for a specific customer. You simply provide the contact ID and a JSON array of line items including names and prices, and the draft will be created in your Zoho account.

How do I find out the total amount due for a specific customer?

You can use the `get_invoice_details` tool for each of the customer's invoices. Your AI agent can help you list all invoices for a contact ID and then retrieve the detailed balance due for each one to give you a summary.

Is it possible to update a customer's company name via chat?

Absolutely. Using the `update_contact` tool, you can instruct your agent to change the contact name or company name associated with a specific ID, ensuring your CRM data is always accurate.

Zoho Invoice MCP Server for Google ADK 10 tools — connect in under 2 minutes

Name: Zoho Invoice
Availability: InStock
Author: Vinkius

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 10 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Zoho Invoice as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

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Vinkius supports streamable HTTP and SSE.

python

from 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="zoho_invoice_1_agent",
    instruction=(
        "You help users interact with Zoho Invoice "
        "using 10 available tools."
    ),
    tools=[mcp_tools],
)

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* 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 Zoho Invoice MCP Server

Connect your Zoho Invoice account to any AI agent and manage your business billing infrastructure through natural conversation.

Google ADK natively supports Zoho Invoice as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 10 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

Invoicing Lifecycle — Create new draft invoices with line items, retrieve full details for specific IDs, and monitor payment statuses
Customer Management — Browse your entire database of contacts, create new customer profiles, and update contact details directly from your agent
Deep Invoicing Audit — Retrieve comprehensive metadata for any invoice, including detailed line items, taxes, and applied totals
Contact Discovery — List and browse all registered business contacts to find unique IDs required for accurate billing
Data Governance — Safely update invoice line items or permanently delete obsolete customer records and draft invoices through simple commands
Tenant Insights — Quickly find your Organization ID and associated account properties required for automated financial workflows
Scalable Billing — Automate the creation of customer records and draft billing documents through programmatic chat commands

The Zoho Invoice MCP Server exposes 10 tools through the Vinkius. Connect it to Google ADK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Zoho Invoice to Google ADK via MCP

Follow these steps to integrate the Zoho Invoice MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

The agent will discover 10 tools from Zoho Invoice via MCP

Why Use Google ADK with the Zoho Invoice MCP Server

Google ADK provides unique advantages when paired with Zoho Invoice 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 Zoho Invoice

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 Zoho Invoice tools with BigQuery, Vertex AI, and Cloud Functions

Zoho Invoice + Google ADK Use Cases

Practical scenarios where Google ADK combined with the Zoho Invoice MCP Server delivers measurable value.

Enterprise data agents: ADK agents query Zoho Invoice and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine Zoho Invoice tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query Zoho Invoice regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Zoho Invoice

Zoho Invoice MCP Tools for Google ADK (10)

These 10 tools become available when you connect Zoho Invoice to Google ADK via MCP:

create_contact

Create a new contact

create_invoice

Create a new invoice

delete_contact

Delete a contact

delete_invoice

Delete an invoice

get_contact

Get specific contact details

get_invoice

Get specific invoice details

list_contacts

List Zoho Invoice contacts

list_invoices

List Zoho Invoices

update_contact

Update a contact name

update_invoice_items

Update invoice items

Example Prompts for Zoho Invoice in Google ADK

Ready-to-use prompts you can give your Google ADK agent to start working with Zoho Invoice immediately.

"List the last 5 invoices in Zoho Invoice."

"Create a new contact named 'Acme Solutions'."

"Find the details for invoice ID 'INV-0003'."

Troubleshooting Zoho Invoice MCP Server with Google ADK

Common issues when connecting Zoho Invoice to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

Zoho Invoice + Google ADK FAQ

Common questions about integrating Zoho Invoice MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.