How to integrate Altoviz MCP with Claude Code

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Introduction

Manage your Altoviz directly from Claude Code with zero worries about OAuth hassles, API-breaking issues, or reliability and security concerns.

You can do this in two different ways:

  1. Via Composio Connect - Direct and easiest approach
  2. Via Composio SDK - Programmatic approach with more control

Also integrate Altoviz with

Why use Composio?

  • Only one MCP URL to connect multiple apps with Claude Code with zero auth hassles.
  • Programmatic tool calling allows LLMs to write its code in a remote workbench to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Handling Large tool responses out of LLM context to minimize context rot.
  • Dynamic just-in-time access to 20,000 tools across 1000+ other Apps for cross-app workflows. It loads the tools you need, so LLMs aren't overwhelmed by tools you don't need.

Connecting Altoviz to Claude Code using Composio

1. Add the Composio MCP to Claude

Terminal

2. Start Claude Code

bash
claude

3. Open your MCP list

bash
/mcp

4. Select Composio and click on Authenticate

Select Composio and click Authenticate

5. This will redirect you to the Composio OAuth page. Complete the flow by authorizing Composio and you're all set.

Composio OAuth authorization page
Composio authorization complete
Ask Claude to connect to your account and authenticate via the link

Supported Tools & Triggers

Tools
Create ContactCreates a new contact in the Altoviz system.
Create CustomerCreates a new customer in Altoviz.
Create Customer FamilyCreates a new customer family in Altoviz for categorizing and organizing customers into groups.
Create ProductCreates a new product in the Altoviz system.
Create Product FamilyTool to create a new product family in Altoviz.
Create ReceiptCreates a new receipt in the Altoviz system to record customer payments.
Create Sale CreditCreates a new draft credit note (avoir) in Altoviz.
Create Sale InvoiceCreates a new draft sale invoice in Altoviz.
Delete ColleagueTool to delete a colleague from Altoviz.
Delete CustomerTool to delete a customer from Altoviz.
Delete Customer FamilyTool to delete a customer family from Altoviz.
Delete ProductThis tool allows you to delete an existing product from Altoviz.
Delete Product FamilyTool to delete a product family from Altoviz.
Delete ReceiptTool to delete a receipt from Altoviz.
Delete Draft Sale CreditTool to delete a draft credit from Altoviz.
Delete Sale InvoiceTool to delete a draft sale invoice from Altoviz.
Delete Sale QuoteTool to delete a sale quote from Altoviz.
Delete SupplierTool to delete a supplier from Altoviz.
Download Purchase InvoiceTool to download a purchase invoice as a PDF file from Altoviz.
Download Sale Credit PDFTool to download a sale credit as a PDF file from Altoviz.
Download Sale Invoice PDFTool to download a sale invoice as a PDF file from Altoviz.
Find Contact by EmailThis tool allows searching for contacts in Altoviz using an email address.
Find Customer by EmailThis tool allows you to find a customer in Altoviz by their email address.
Find Product by NumberSearch for a product in Altoviz by its product number/SKU.
Find Product by Number or Internal IDTool to find a product in Altoviz by exact product number or internal ID.
Find Receipt by Internal IDTool to find receipts in Altoviz by customer internal ID.
Find Sale CreditsTool to find sale credits in Altoviz.
Find Sale InvoicesTool to find sale invoices in Altoviz.
Find Sale QuotesTool to find sale quotes in Altoviz.
Get Classifications ListThis tool retrieves a list of classifications from the Altoviz platform.
Get Colleague by IDTool to retrieve a colleague's details from Altoviz by their ID.
Get Contact by IDTool to retrieve a contact by its unique ID from Altoviz.
Get Current UserTool to retrieve the current authenticated user's information from Altoviz.
Get Customer by IDTool to retrieve a customer by their ID from Altoviz.
Get Customer by Internal IDTool to retrieve a single customer from Altoviz by their internal ID.
Get Customer ContactsTool to retrieve all contacts associated with a specific customer in Altoviz.
Get Customer FamilyTool to retrieve a customer family by ID from Altoviz.
Get Product by IDTool to retrieve a product by its unique ID in Altoviz.
Get Product Family by IDTool to retrieve a specific product family by its ID from Altoviz.
Get Receipt by IDTool to retrieve a receipt by its ID from Altoviz.
Get Sale Credit by IDTool to retrieve a sale credit by its ID from Altoviz.
Get Sale Invoice by IDTool to retrieve a sale invoice by its ID from Altoviz.
Get SettingsTool to retrieve application settings from Altoviz.
Get Supplier by IDTool to retrieve a supplier by their ID from Altoviz.
Get Supplier ContactsTool to retrieve all contacts associated with a specific supplier in Altoviz.
Get Units ListThis tool retrieves a list of all available units in the Altoviz system.
Get VAT RatesThis tool retrieves a list of all available VAT rates from Altoviz.
List ColleaguesRetrieves a list of colleagues from Altoviz.
List ContactsTool to retrieve a list of contacts from Altoviz with optional filtering and pagination.
List Customer FamiliesTool to list customer families from Altoviz.
List CustomersTool to retrieve a paginated list of customers from Altoviz.
List Product FamiliesTool to retrieve a list of product families from Altoviz.
List ReceiptsTool to retrieve a list of receipts from Altoviz.
List Sale CreditsTool to retrieve a list of sale credits from Altoviz.
List Sale InvoicesTool to retrieve a list of sale invoices from Altoviz.
List Sale QuotesTool to retrieve a list of sale quotes from Altoviz.
List SuppliersTool to retrieve a paginated list of suppliers from Altoviz.
List WebhooksTool to retrieve all configured webhooks from Altoviz.
Register WebhookTool to register a new webhook in Altoviz.
Test API KeyTool to test API key validity and retrieve basic account information.
Unregister WebhookTool to unregister a webhook from Altoviz.
Update Colleague InformationUpdates an existing colleague's information in Altoviz.
Update Customer InformationUpdates an existing customer's information in Altoviz.
Update ReceiptUpdates an existing receipt in Altoviz.
Update Sale CreditTool to update a draft credit note in Altoviz.
Update Supplier InformationUpdates an existing supplier's information in Altoviz.
Upload Purchase InvoiceTool to upload and create a new purchase invoice from a file (PDF or image format).

What is the Altoviz MCP server, and what's possible with it?

The Altoviz MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Altoviz account. It provides structured and secure access to your billing, invoicing, and customer management data, so your agent can manage products, find customers, update records, and retrieve financial information on your behalf.

  • Product management and creation: Instruct your agent to create new products, update details, or delete products from your Altoviz catalog with ease.
  • Customer and contact lookup: Effortlessly find customers or contacts by email, enabling quick access to client details and supporting streamlined communication.
  • Financial classification and VAT management: Let your agent fetch available classifications and VAT rates, ensuring accurate tax handling and financial document setup.
  • Unit retrieval for transactions: Retrieve all available measurement units in your system, supporting precise product and invoice management.
  • Customer information updates: Have your agent modify or update customer records, keeping your business data up-to-date without manual intervention.

Connecting Altoviz via Composio SDK

Composio SDK is the underlying tech that powers Rube. It's a universal gateway that does everything Rube does but with much more programmatic control. You can programmatically generate an MCP URL with the app you need (here Altoviz) for even more tool search precision. It's secure and reliable.

How the Composio SDK works

The Composio SDK follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Prerequisites

Before starting, make sure you have:
  • Claude Pro, Max, or API billing enabled Anthropic account
  • Composio API Key
  • A Altoviz account
  • Basic knowledge of Python or TypeScript

Install Claude Code

bash
# macOS, Linux, WSL
curl -fsSL https://claude.ai/install.sh | bash

# Windows PowerShell
irm https://claude.ai/install.ps1 | iex

# Windows CMD
curl -fsSL https://claude.ai/install.cmd -o install.cmd && install.cmd && del install.cmd

To install Claude Code, use one of the following methods based on your operating system:

Set up Claude Code

bash
cd your-project-folder
claude

Open a terminal, go to your project folder, and start Claude Code:

  • Claude Code will open in your terminal
  • Follow the prompts to sign in with your Anthropic account
  • Complete the authentication flow
  • Once authenticated, you can start using Claude Code
Claude Code initial setup showing sign-in prompt
Claude Code terminal after successful login

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here

Create a .env file in your project root with the following variables:

  • COMPOSIO_API_KEY authenticates with Composio (get it from Composio dashboard)
  • USER_ID identifies the user for session management (use any unique identifier)

Install Composio library

pip install composio-core python-dotenv

Install the Composio Python library to create MCP sessions.

  • composio-core provides the core Composio functionality
  • python-dotenv loads environment variables from your .env file

Generate Composio MCP URL

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["altoviz"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http altoviz-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Create a script to generate a Composio MCP URL for Altoviz. This URL will be used to connect Claude Code to Altoviz.

What's happening:
  • We import the Composio client and load environment variables
  • Create a Composio instance with your API key
  • Call create() to create a Tool Router session for Altoviz
  • The returned mcp.url is the MCP server URL that Claude Code will use
  • The script prints this URL so you can copy it

Run the script and copy the MCP URL

python generate_mcp_url.py

Run your Python script to generate the MCP URL.

  • The script connects to Composio and creates a Tool Router session
  • It prints the MCP URL and the exact command you need to run
  • Copy the entire claude mcp add command from the output

Add Altoviz MCP to Claude Code

bash
claude mcp add --transport http altoviz-composio "YOUR_MCP_URL_HERE" --headers "X-API-Key:YOUR_COMPOSIO_API_KEY"

# Then restart Claude Code
exit
claude

In your terminal, add the MCP server using the command from the previous step. The command format is:

  • claude mcp add registers a new MCP server with Claude Code
  • --transport http specifies that this is an HTTP-based MCP server
  • The server name (altoviz-composio) is how you'll reference it
  • The URL points to your Composio Tool Router session
  • --headers includes your Composio API key for authentication

After running the command, close the current Claude Code session and start a new one for the changes to take effect.

Verify the installation

bash
claude mcp list

Check that your Altoviz MCP server is properly configured.

  • This command lists all MCP servers registered with Claude Code
  • You should see your altoviz-composio entry in the list
  • This confirms that Claude Code can now access Altoviz tools

If everything is wired up, you should see your altoviz-composio entry listed:

Claude Code MCP list showing the toolkit MCP server

Authenticate Altoviz

The first time you try to use Altoviz tools, you'll be prompted to authenticate.

  • Claude Code will detect that you need to authenticate with Altoviz
  • It will show you an authentication link
  • Open the link in your browser (or copy/paste it)
  • Complete the Altoviz authorization flow
  • Return to the terminal and start using Altoviz through Claude Code

Once authenticated, you can ask Claude Code to perform Altoviz operations in natural language. For example:

  • "Find customer details by email address"
  • "Update a client's company information"
  • "Retrieve current VAT rates for invoices"

Complete Code

Here's the complete code to get you started with Altoviz and Claude Code:

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["altoviz"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http altoviz-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Conclusion

You've successfully integrated Altoviz with Claude Code using Composio's MCP server. Now you can interact with Altoviz directly from your terminal using natural language commands.

Key features of this setup:

  • Terminal-native experience without switching contexts
  • Natural language commands for Altoviz operations
  • Secure authentication through Composio's managed MCP
  • Tool Router for dynamic tool discovery and execution

Next steps:

  • Try asking Claude Code to perform various Altoviz operations
  • Add more toolkits to your Tool Router session for multi-app workflows
  • Integrate this setup into your development workflow for increased productivity

You can extend this by adding more toolkits, implementing custom workflows, or building automation scripts that leverage Claude Code's capabilities.

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FAQ

What are the differences in Tool Router MCP and Altoviz MCP?

With a standalone Altoviz MCP server, the agents and LLMs can only access a fixed set of Altoviz tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Altoviz and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Claude Code?

Yes, you can. Claude Code fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Altoviz tools.

Can I manage the permissions and scopes for Altoviz while using Tool Router?

Yes, absolutely. You can configure which Altoviz scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Altoviz data and credentials are handled as safely as possible.

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