How to Use the NFe.io MCP in Claude

Q: Can Claude Desktop handle batch invoice issues?

You can ask Claude to iterate through a list and trigger issueserviceinvoice for each item. It acts as an agent to handle the sequence for you.

Handle Brazilian tax compliance directly inside your Claude Desktop app with this MCP Server.

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Connect NFe.io MCP to Claude Desktop

Create your Vinkius account to connect NFe.io to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup NFe.io with Claude Desktop

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Issue and cancel invoices from Claude Desktop

You can push `issue_service_invoice` or `issue_merchandise_invoice` commands without leaving your chat window. It handles the request and gives you the status immediately. If you make a mistake, use `cancel_service_invoice` or `cancel_merchandise_invoice` to void the document. Claude processes these requests against your live NFe.io account.

Manage your company profile inside Claude Desktop

Stop switching tabs to check your firm's tax status. Use `get_company_details` to pull registration info directly into your conversation. You can also run `list_companies` to see every entity you manage. It keeps your tax data right where you're already working.

Audit your tax history with Claude Desktop

Need to verify an old transaction? Call `get_service_invoice` or `get_merchandise_invoice` to pull specific record details into your context. You can also use `list_webhooks` to see how your events are currently routing. It makes tracking your data flow effortless.

Setup guide

Set up NFe.io MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The NFe.io MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the NFe.io MCP configuration

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

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under nfeio-mcp.

json

{
  "mcpServers": {
    "nfeio-mcp": {
      "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 NFe.io. 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 NFe.io MCP in Claude Desktop

Open your Claude configuration file and add the server settings under the mcpServers key. Once you save and restart the app, the tools will appear in your chat interface.

Yes. The server only transmits your specific invoice or company data to the NFe.io API. No sensitive tax records are stored on your local machine.

You can ask Claude to iterate through a list and trigger `issue_service_invoice` for each item. It acts as an agent to handle the sequence for you.

The MCP Server returns the exact error code from the API. You can read the reason in the chat and ask Claude to fix the data before trying again.

You need an active account and your API token. Once you provide the token in your config, the connection is ready to process your tax documents.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.