How to Use the NFe.io MCP in Claude Code

Q: How do I script NFe.io invoice lookups in Claude Code?

You can run Claude Code with the getserviceinvoice tool to fetch invoice details from the terminal. The output can be piped to other CLI utilities like jq for automated parsing.

Q: How do I install the NFe.io MCP Server for Claude Code?

Use the command claude mcp add --transport http nfeio-mcp -- . Once added, you can verify the MCP connection by running claude mcp list in your terminal.

Q: How does Claude Code keep my NFe.io API keys secure?

Claude Code stores your configuration in a local /.claude.json file. Your NFe.io credentials and tax payloads are handled through secure HTTPS connections managed by Vinkius, ensuring no terminal leakage of sensitive corporate tax data.

Manage NFe.io Brazilian tax invoices directly from your terminal using Claude Code commands.

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Create your Vinkius account to connect NFe.io to Claude Code 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 Code

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Terminal-driven invoice creation with Claude Code

The `issue_service_invoice` and `issue_merchandise_invoice` tools let you generate Brazilian tax documents directly from your command line. Claude Code executes these actions headlessly over the MCP protocol, making it easy to trigger invoices during SSH sessions or local terminal work.

Scriptable invoice cancellations in Claude Code

The `cancel_service_invoice` and `cancel_merchandise_invoice` tools allow terminal-based revocation of incorrect tax records. Claude Code handles the entire cancellation handshake with the Brazilian tax gateway in seconds.

Monitor webhook endpoints via Claude Code MCP Server

The `list_webhooks` and `list_companies` tools provide instant terminal access to your NFe.io configuration. Claude Code queries these endpoints to let you audit which URLs are receiving live tax notifications.

Setup guide

Set up NFe.io 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 nfeio-mcp with a green status indicator.
3

Start using tools

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

Terminal

claude mcp add --transport http nfeio-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 NFe.io 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": {
    "nfeio-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 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 Code

You can run Claude Code with the `get_service_invoice` tool to fetch invoice details from the terminal. The output can be piped to other CLI utilities like jq for automated parsing.

Yes. You can pass raw JSON company payloads to Claude Code, which then calls `create_company` to register the new entity with the NFe.io platform.

Use the command `claude mcp add --transport http nfeio-mcp -- `. Once added, you can verify the MCP connection by running `claude mcp list` in your terminal.

Absolutely. Because Claude Code runs headless, you can trigger tools like `list_webhooks` as part of your deployment validation script to verify NFe.io integration health.

Claude Code stores your configuration in a local `~/.claude.json` file. Your NFe.io credentials and tax payloads are handled through secure HTTPS connections managed by Vinkius, ensuring no terminal leakage of sensitive corporate tax data.

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