How to integrate Sevdesk MCP with Claude Code

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Introduction

Manage your Sevdesk 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 Sevdesk 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 Sevdesk 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
Book Invoice AmountTool to book an invoice amount in SevDesk.
Check Customer Number AvailabilityTool to check if a customer number is available in sevDesk.
Create Accounting ContactTool to create a new accounting contact in sevDesk.
Create Check Account TransactionTool to create a new check account transaction in SevDesk.
Create Clearing AccountTool to create a new clearing account in sevDesk.
Create Communication WayTool to create a new contact communication way (email, phone, website, etc.
Create ContactCreates a new contact (person or company) in SevDesk accounting system.
Create Contact (REST API)Tool to create a new contact in sevDesk using the standard REST API endpoint.
Create Contact AddressTool to create a new contact address in SevDesk.
Create Contact Custom FieldTool to create a custom field for a contact in sevDesk.
Create Contact Custom Field SettingCreates a new contact custom field setting in sevDesk for tracking additional contact information.
Create Credit Note from InvoiceTool to create a new credit note from an existing invoice in SevDesk.
Create File Import AccountTool to create a new file import account (check account) in sevDesk.
Create PartTool to create a new part (product or service) in SevDesk.
Create Payment MethodCreates a new payment method in sevDesk for tracking different payment types.
Create Private Transaction RuleTool to create a new private transaction rule in SevDesk.
Create TagTool to create a new tag and attach it to an object (Invoice, Order, Voucher, or CreditNote) in sevDesk.
Delete Accounting Contact By IDPermanently deletes an accounting contact from sevDesk by its unique identifier.
Delete Check Account By IDPermanently deletes a check account from sevDesk by its unique identifier.
Delete Check Account TransactionPermanently deletes a check account transaction from sevDesk by its unique identifier.
Delete Communication Way By IDPermanently deletes a communication way from sevDesk by its unique identifier.
Delete ContactPermanently deletes a contact from sevDesk by its unique identifier.
Delete Contact Address By IDTool to delete a contact address from sevDesk by its unique identifier.
Delete Contact Custom Field By IDTool to permanently delete a contact custom field by its ID.
Delete Contact Custom Field Setting By IDTool to permanently delete a contact custom field setting by its ID.
Delete Credit Note By IDPermanently deletes a credit note from sevDesk by its unique identifier.
Delete Order By IDPermanently deletes an order from sevDesk by its unique identifier.
Delete Order Position By IDPermanently deletes an order position from sevDesk by its unique identifier.
Delete Payment MethodDeletes a payment method in sevDesk by its ID.
Delete Private Transaction Rule By IDPermanently deletes a private transaction rule from sevDesk by its unique identifier.
Delete Tag By IDPermanently deletes a tag from sevDesk by its unique identifier.
Enshrine Check Account TransactionTool to enshrine a check account transaction by its ID.
Export Credit Note CSVTool to export credit notes as CSV from SevDesk.
Fetch Dictionary Entries By TypeTool to retrieve placeholders (dictionary entries) for a specific object type in sevDesk.
Find Contacts By Custom Field ValueTool to find contacts by custom field value.
Generate Progress Download HashTool to generate a download hash for an export job progress.
Get Accounting Contact By IDTool to retrieve accounting contact details by ID.
Get Accounting ContactsTool to retrieve accounting contacts from sevDesk.
Get SevClient Account InvoicesRetrieves all sevDesk account invoices for the authenticated client.
Get Check Account Balance At DateTool to get the balance of a check account at a specific date.
Get Check Account By IDTool to retrieve details of a specific check account by ID.
Get Check AccountsTool to retrieve a list of all check accounts.
Get Check Account Transaction By IDTool to retrieve a specific check account transaction by its ID.
Get Check Account TransactionsTool to retrieve list of check account transactions.
Get CommunicationWay By IDTool to retrieve details of a specific communication way by ID.
Get Communication Way KeysRetrieve a list of communication way keys from sevDesk.
Get Communication WaysTool to retrieve communication ways from sevDesk.
Get Contact Address By IDTool to retrieve details of a specific contact address by ID.
Get Contact AddressesTool to retrieve contact addresses from sevdesk.
Get Contact By IDTool to retrieve details of a specific contact by ID.
Get Contact Custom Field By IDTool to retrieve a contact custom field by its ID.
Get Contact Custom FieldsTool to retrieve contact custom fields from sevDesk.
Get Contact Custom Field Setting By IDTool to retrieve details of a specific contact custom field setting by ID.
Get Contact Custom Field Setting Reference CountTool to receive the count of references for a contact custom field setting.
Get Contact Custom Field SettingsTool to retrieve contact custom field settings from sevDesk.
Get ContactsTool to retrieve a list of contacts.
Get Contact Tabs Item CountTool to get the count of items across all tabs for a specific contact.
Get Credit Note PositionsTool to retrieve credit note positions from SevDesk.
Get Credit NotesTool to retrieve a list of credit notes.
Get Export Invoice CSVTool to export invoices as CSV from sevDesk.
Get Export Transactions CSVTool to export check account transactions as CSV file.
Get Invoice Is Partially PaidTool to check if an invoice is already partially paid.
Get Invoice PositionsTool to retrieve all line items (positions) for a specific invoice.
Get Invoice PositionsTool to retrieve invoice positions from sevDesk.
Get InvoicesRetrieves a list of invoices from sevDesk with optional filtering and pagination.
Get Letterpapers With ThumbnailsTool to retrieve all available letterpapers with thumbnails from sevDesk.
Get Next Customer NumberTool to retrieve the next free customer number from sevDesk.
Get Order By IDTool to retrieve details of a specific order by ID.
Get Order DiscountsTool to retrieve discounts applied to a specific order in sevDesk.
Get Order Position By IDTool to retrieve details of a specific order position by ID.
Get Order PositionsTool to retrieve order positions from SevDesk.
Get OrdersRetrieve a paginated list of orders from sevDesk.
Get Part By IDTool to retrieve details of a specific part by ID.
Get Part Contact PricesTool to retrieve a list of part contact prices.
Get PartsTool to retrieve a list of all parts.
Get Part StockTool to retrieve the current stock level of a specific part.
Get Part UnitiesRetrieves a list of part unities (units of measurement) from SevDesk.
Get Payment MethodsRetrieves all available payment methods from sevDesk.
Get PlacesRetrieve a list of places (cities/locations with geographic data) from sevDesk.
Get Private Transaction RulesTool to list existing private transaction rules in SevDesk.
Get Export ProgressTool to retrieve the progress of an export operation.
Get Receipt Guidance For Account NumberTool to retrieve receipt guidance for a specific Datev account number.
Get Receipt Guidance For All AccountsTool to retrieve receipt guidance for all accounts.
Get Receipt Guidance For ExpenseTool to retrieve guidance for expense accounts from sevDesk.
Get Receipt Guidance For RevenueTool to retrieve guidance for revenue accounts from sevDesk.
Get Receipt Guidance For Tax RuleTool to get guidance by tax rule from sevDesk.
Get Report Invoice ListTool to export invoice list report from sevDesk.
Get Report OrderlistTool to export the order list report from sevDesk.
Get SevClient ConfigRetrieves the sevClient configuration settings from sevDesk.
Get Tag By IDTool to retrieve details of a specific tag by ID.
Get Tag RelationsTool to retrieve tag relations from sevDesk.
Get TagsTool to retrieve tags from sevdesk.
Get Tax RulesRetrieves tax rules from SevDesk.
Get Bookkeeping System VersionTool to retrieve the bookkeeping system version from sevDesk.
Render InvoiceTool to render the PDF document of an invoice by its ID.
Reset Credit Note To OpenTool to reset a credit note status to open.
Save InvoiceTool to create a new invoice in SevDesk using the Factory endpoint.
Send Credit Note ByTool to mark a credit note as sent by updating its send status and type.
Send Credit Note By PrintingTool to send a credit note by printing and render it.
Send Invoice ByTool to mark an invoice as sent by specifying how it was sent to the customer.
Mark Order as SentTool to mark an order as sent in sevDesk.
Update Accounting ContactTool to update an existing accounting contact in SevDesk.
Update Check AccountUpdates an existing check account (bank account) in sevDesk by ID.
Update Check Account Transaction By IDTool to update an existing check account transaction in sevDesk.
Update Communication Way By IDTool to update an existing communication way by ID in sevDesk.
Update ContactTool to update an existing contact's details.
Update Contact Address By IDTool to update an existing contact address by its unique identifier.
Update Contact Custom FieldTool to update a contact custom field in SevDesk.
Update Contact Custom Field SettingTool to update an existing contact custom field setting in SevDesk.
Update Invoice ParameterTool to update an invoice parameter such as template, language, letterpaper, or PayPal settings.
Update Order By IDTool to update an existing order in sevDesk by ID.
Update Order TemplateTool to update an order parameter such as template, language, letterpaper, or PayPal settings.
Update Part By IDTool to update an existing part (product/service) in sevDesk.
Update SevClient Export ConfigTool to update the export configuration for a SevClient in sevDesk.
Update Tag By IDTool to update a tag's name in sevDesk by its ID.

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

The Sevdesk MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Sevdesk account. It provides structured and secure access to your accounting workspace, so your agent can perform actions like managing invoices, tracking expenses, generating reports, organizing contacts, and handling payments on your behalf.

  • Invoice creation and management: Instantly generate, send, and track invoices for your clients, keeping your business cash flow streamlined.
  • Expense tracking and categorization: Let your agent record and organize expenses, ensuring your books are always up to date and categorized for tax time.
  • Financial reporting and insights: Request detailed reports and summaries—like profit and loss or balance sheets—so you can make informed business decisions quickly.
  • Contact and customer management: Effortlessly add, update, or retrieve customer details and supplier information to keep your records accurate.
  • Payment and transaction handling: Enable your agent to log payments, match transactions, and help reconcile your accounts, reducing manual entry and errors.

Connecting Sevdesk 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 Sevdesk) 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 Sevdesk 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=["sevdesk"],
)

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 sevdesk-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

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

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 Sevdesk
  • 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 Sevdesk MCP to Claude Code

bash
claude mcp add --transport http sevdesk-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 (sevdesk-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 Sevdesk MCP server is properly configured.

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

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

Claude Code MCP list showing the toolkit MCP server

Authenticate Sevdesk

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

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

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

  • "Generate and send a new invoice"
  • "List all unpaid customer invoices"
  • "Add a new business expense entry"

Complete Code

Here's the complete code to get you started with Sevdesk 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=["sevdesk"],
)

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 sevdesk-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Conclusion

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

Key features of this setup:

  • Terminal-native experience without switching contexts
  • Natural language commands for Sevdesk 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 Sevdesk 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.

How to build Sevdesk MCP Agent with another framework

FAQ

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

With a standalone Sevdesk MCP server, the agents and LLMs can only access a fixed set of Sevdesk tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Sevdesk 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 Sevdesk tools.

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

Yes, absolutely. You can configure which Sevdesk 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 Sevdesk data and credentials are handled as safely as possible.

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DataStax
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HubSpot
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Entelligence
Rolai

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