NFe.io MCP Server for Mastra AI 10 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect NFe.io through the Vinkius and Mastra agents discover all tools automatically — type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token — get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"nfeio": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "NFe.io Agent",
instructions:
"You help users interact with NFe.io " +
"using 10 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with NFe.io?"
);
console.log(result.text);
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About NFe.io MCP Server
Connect your AI agents to NFe.io, the leading Brazilian platform for fiscal document automation. This MCP provides 10 tools to manage the full lifecycle of Service Invoices (NFS-e), validate Brazilian municipal codes (IBGE), and monitor corporate metadata for companies integrated into your billing environment.
Mastra's agent abstraction provides a clean separation between LLM logic and NFe.io tool infrastructure. Connect 10 tools through the Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution — deployable to any Node.js host in one command.
What you can do
- Invoice Orchestration — Issue, cancel, and retrieve Service Invoices (NFS-e) for multiple cities across Brazil
- Company Management — List and inspect registered companies and their current fiscal configurations
- Service Definition — Manage service codes and tax metadata to ensure accurate fiscal reporting
- Fiscal Intelligence — Retrieve detailed city capabilities and validate IBGE codes for seamless municipal integration
- PDF Retrieval — Generate and retrieve download links for official invoice PDF and XML documents programmatically
The NFe.io MCP Server exposes 10 tools through the Vinkius. Connect it to Mastra AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect NFe.io to Mastra AI via MCP
Follow these steps to integrate the NFe.io MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 10 tools from NFe.io via MCP
Why Use Mastra AI with the NFe.io MCP Server
Mastra AI provides unique advantages when paired with NFe.io through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure — add NFe.io without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every NFe.io tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host — Vercel, Railway, Fly.io, or your own infrastructure
NFe.io + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the NFe.io MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query NFe.io, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed NFe.io as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query NFe.io on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using NFe.io tools alongside other MCP servers
NFe.io MCP Tools for Mastra AI (10)
These 10 tools become available when you connect NFe.io to Mastra AI via MCP:
cancel_merchandise_invoice
Cancel an issued Merchandise Invoice (NF-e)
cancel_service_invoice
Cancel an issued Service Invoice (NFS-e)
create_company
Register a new company (issuer) in NFe.io
get_company_details
Get detailed info for a specific company issuer
get_merchandise_invoice
Retrieve details for a specific Merchandise Invoice (NF-e)
get_service_invoice
Retrieve details for a specific Service Invoice (NFS-e)
issue_merchandise_invoice
Issue a Merchandise Invoice (NF-e)
issue_service_invoice
Issue a Service Invoice (NFS-e)
list_companies
List all companies (issuers) registered in your NFe.io account
list_webhooks
List all configured webhooks in NFe.io
Example Prompts for NFe.io in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with NFe.io immediately.
"List all active companies in my NFe.io account."
"Check the status of service invoice ID 'inv_nfe_999888'."
"Find the IBGE code for the city of 'São Paulo'."
Troubleshooting NFe.io MCP Server with Mastra AI
Common issues when connecting NFe.io to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpNFe.io + Mastra AI FAQ
Common questions about integrating NFe.io MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect NFe.io with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect NFe.io to Mastra AI
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.