How to Use the InvoiceXpress (Online Invoicing) MCP in Claude Code

Q: How do I add InvoiceXpress (Online Invoicing) to the Claude Code CLI?

Run claude mcp add followed by the server URL. Make sure your flags are correctly ordered, and use claude mcp list to verify the connection.

Q: Can I use InvoiceXpress (Online Invoicing) to export invoice data in Claude Code?

You can. By calling listinvoices, you get the full payload in your terminal. You can then redirect this output to a JSON file for your own reporting.

Run invoicing tasks from your terminal with Claude Code. This MCP server brings your accounting data into your shell.

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Connect InvoiceXpress (Online Invoicing) MCP to Claude Code

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Setup InvoiceXpress (Online Invoicing) with Claude Code

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Headless invoicing for your CLI

Integrate your billing pipeline by piping output from `list_invoices` directly into your shell scripts. It allows for automated monitoring of your revenue stream. You can schedule these calls in a cron job to keep your local environment updated. It works in any terminal-based setup without a GUI.

Automate client and item management

Script your onboarding process by running `create_client` whenever a new user registers in your system. It ensures your billing records are created immediately. Use `list_sequences` to track your invoice series and prevent gaps in your fiscal reporting. It provides the visibility you need to stay compliant.

Query financial data from the terminal

Use `list_receipts` or `list_guides` to pull transport and payment data into your logs. It is designed for engineers who need raw data without the overhead of a web dashboard. All tools are available as commands you can invoke through the Claude CLI. It gives you full control over your InvoiceXpress instance from the command line.

Setup guide

Set up InvoiceXpress (Online Invoicing) MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see invoicexpress-online-invoicing-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest InvoiceXpress (Online Invoicing) transactions." It will automatically discover and invoke the available InvoiceXpress (Online Invoicing) tools.

Terminal

claude mcp add --transport http invoicexpress-online-invoicing-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the InvoiceXpress (Online Invoicing) MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "invoicexpress-online-invoicing-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by InvoiceXpress. 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 InvoiceXpress (Online Invoicing) MCP in Claude Code

Run `claude mcp add` followed by the server URL. Make sure your flags are correctly ordered, and use `claude mcp list` to verify the connection.

You can. By calling `list_invoices`, you get the full payload in your terminal. You can then redirect this output to a JSON file for your own reporting.

Yes. Since it runs headless, you can include it in your deployment scripts to verify tax IDs or create new billing items during your build process.

Your credentials are kept in your local configuration file. The server uses this token to authenticate requests, keeping your session isolated from other processes.

The server only touches your client names, invoice history, and tax configurations. It strictly follows the API schema to prevent unauthorized data exposure.

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