How to Use the Wave Accounting MCP in Claude Code

Q: How do I list all customers for scheduled jobs using Claude Code and Wave Accounting?

Run listaccountingcustomers as your initial command. The output provides a clean JSON array of IDs you can pipe directly into subsequent scripts or loops.

Q: Can I approve invoices in batch mode with Claude Code and Wave Accounting?

You must first retrieve the draft invoice ID using listaccountinginvoices. Then, pass that specific ID to approvedraftinvoice to finalize billing records.

Q: What is the best way to check customer existence with Claude Code and Wave Accounting?

Use getcustomerdetails. By providing a single known customer ID, you confirm the record's current status without needing to pull an entire list first.

Q: Does the MCP Server support deleting invoices in Claude Code and Wave Accounting?

Yes. For cleanup scripts, deletedraftinvoice handles unfinalized drafts. You cannot delete saved or paid records this way.

Schedule recurring invoicing tasks or run end-to-end financial checks using Claude Code.

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Setup Wave Accounting with Claude Code

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Automate customer maintenance via the Wave Accounting MCP Server.

Set up a cron job to ensure your contact list is current. You can use `list_accounting_customers` and then loop through the results, calling `update_customer_profile` for any necessary changes. If you need to handle brand new clients, script the call to `create_accounting_customer`, passing name and email as shell variables.

Batch process billing cycles with the Wave Accounting MCP Server.

A nightly job can use `list_accounting_invoices` to pull all existing invoice IDs. From that list, you can target specific records using `get_invoice_details` before running any approval logic. Drafting invoices for mass deployment is straightforward: loop through customer IDs and execute `create_draft_invoice` with standardized item payloads.

Run critical accounting cleanup scripts using the MCP Server.

When an invoice draft is no longer needed, use `delete_draft_invoice` in your CI/CD pipeline. This runs cleanly via standard output and requires minimal setup. If a customer account needs to be permanently removed from Wave, execute `delete_accounting_customer`. Be warned: this action is irreversible; confirm the ID first.

Setup guide

Set up Wave Accounting 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 wave-accounting-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Wave Accounting transactions." It will automatically discover and invoke the available Wave Accounting tools.

Terminal

claude mcp add --transport http wave-accounting-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

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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 Wave Accounting 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": {
    "wave-accounting-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 Wave Accounting. 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 Wave Accounting MCP in Claude Code

Run `list_accounting_customers` as your initial command. The output provides a clean JSON array of IDs you can pipe directly into subsequent scripts or loops.

You must first retrieve the draft invoice ID using `list_accounting_invoices`. Then, pass that specific ID to `approve_draft_invoice` to finalize billing records.

Use `get_customer_details`. By providing a single known customer ID, you confirm the record's current status without needing to pull an entire list first.

Yes. For cleanup scripts, `delete_draft_invoice` handles unfinalized drafts. You cannot delete saved or paid records this way.

The server touches customer details (names, emails) and invoice transaction history. When scripting, always ensure your service account token only has minimum necessary permissions.

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