Bling ERP MCP Server for LangChain 18 tools — connect in under 2 minutes
LangChain is the leading Python framework for composable LLM applications. Connect Bling ERP through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.
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Vinkius supports streamable HTTP and SSE.
import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
async with MultiServerMCPClient({
"bling-erp": {
"transport": "streamable_http",
"url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
}
}) as client:
tools = client.get_tools()
agent = create_react_agent(
ChatOpenAI(model="gpt-4o"),
tools,
)
response = await agent.ainvoke({
"messages": [{
"role": "user",
"content": "Using Bling ERP, show me what tools are available.",
}]
})
print(response["messages"][-1].content)
asyncio.run(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 Bling ERP MCP Server
Connect your Bling ERP API token to any AI agent and integrate Brazil's leading cloud-based business management system directly into your conversational workflow.
LangChain's ecosystem of 500+ components combines seamlessly with Bling ERP through native MCP adapters. Connect 18 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
What you can do
- Contact & Product Operations — Create and list deeply nested catalogs of Contacts (Suppliers/Clients) and Products, tracing correct SKUs, categories, and warehouses.
- Order Processing — List Sales Orders bridging eCommerce streams directly to inventory, and explore incoming Purchase Orders to suppliers.
- Tax Documents (Brasil) — Monitor SEFAZ legal endpoints querying arrays for issued Product Invoices (NF-e), Consumer Invoices (NFC-e), and Service Invoices (NFS-e).
- Financial Ledgering — Pull aggregated general ledgers analyzing Accounts Payable, Accounts Receivable (Boletos/PIX), and strictly mapped financial groupings.
The Bling ERP MCP Server exposes 18 tools through the Vinkius. Connect it to LangChain 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 Bling ERP to LangChain via MCP
Follow these steps to integrate the Bling ERP MCP Server with LangChain.
Install dependencies
Run pip install langchain langchain-mcp-adapters langgraph langchain-openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save the code and run python agent.py
Explore tools
The agent discovers 18 tools from Bling ERP via MCP
Why Use LangChain with the Bling ERP MCP Server
LangChain provides unique advantages when paired with Bling ERP through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine Bling ERP MCP tools with 500+ LangChain components
Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
Memory and conversation persistence let agents maintain context across Bling ERP queries for multi-turn workflows
Bling ERP + LangChain Use Cases
Practical scenarios where LangChain combined with the Bling ERP MCP Server delivers measurable value.
RAG with live data: combine Bling ERP tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Bling ERP, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Bling ERP tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Bling ERP tool call, measure latency, and optimize your agent's performance
Bling ERP MCP Tools for LangChain (18)
These 18 tools become available when you connect Bling ERP to LangChain via MCP:
categorias_financeiras
Listar categorias de receitas e despesas (plano de contas)
categorias_produtos
Listar as categorias de produtos cadastradas
consultar_contato
Consultar dados completos de um contato pelo ID
consultar_nfe
Consultar detalhes de uma NF-e (itens, valores, situação)
consultar_pedido
Consultar detalhes completos de um pedido de venda (itens, valores, situação)
consultar_produto
Consultar detalhes de um produto pelo ID
contas_pagar
Listar contas a pagar (fornecedores, despesas operacionais)
contas_receber
Listar contas a receber (cobranças, boletos, PIX)
incluir_contato
Cadastrar novo contato (cliente/fornecedor) no Bling
incluir_produto
Cadastrar novo produto no Bling
listar_contatos
Listar todos os contatos (clientes, fornecedores, transportadoras) cadastrados no Bling
listar_depositos
Listar depósitos/armazéns configurados para gestão de estoque
listar_nfce
Listar NFC-e (Notas Fiscais de Consumidor Eletrônicas — cupom fiscal)
listar_nfe
Listar NF-e (Notas Fiscais Eletrônicas de Produto) emitidas
listar_nfse
Listar NFS-e (Notas Fiscais de Serviço Eletrônicas)
listar_pedidos_compra
Listar todos os pedidos de compra
listar_pedidos_venda
Listar todos os pedidos de venda do Bling
listar_produtos
Listar todos os produtos e serviços cadastrados no Bling
Example Prompts for Bling ERP in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Bling ERP immediately.
"List the last 5 registered products in my Bling account."
"Check the active Accounts Payable for this month. What vendor bills are pending?"
"Has the NF-e for the sales order ID `445566` been fully issued yet under SEFAZ?"
Troubleshooting Bling ERP MCP Server with LangChain
Common issues when connecting Bling ERP to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersBling ERP + LangChain FAQ
Common questions about integrating Bling ERP MCP Server with LangChain.
How does LangChain connect to MCP servers?
langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.Which LangChain agent types work with MCP?
Can I trace MCP tool calls in LangSmith?
Connect Bling ERP 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 Bling ERP to LangChain
Get your token, paste the configuration, and start using 18 tools in under 2 minutes. No API key management needed.