Paraíba Open Data MCP Server for LangChainGive LangChain instant access to 20 tools to Get Acao Governamental, Get Autorizacao Pagamento, Get Contratos, and more

Name: Paraíba Open Data
Price: 29 USD
Availability: InStock
Rating: 4.9 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

LangChain is the leading Python framework for composable LLM applications. Connect Paraíba Open Data 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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The Paraíba Open Data MCP Server for LangChain is a standout in the Data Analytics category — giving your AI agent 20 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

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+ other MCP clients

python

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({
        "paraiba-open-data": {
            "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 Paraíba Open Data, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 Paraíba Open Data MCP Server

The Paraíba MCP Server connects your AI agent to the official Dados Abertos portal of the State of Paraíba. This integration allows for real-time auditing and analysis of public finances, government contracts, and personnel spending through natural conversation.

LangChain's ecosystem of 500+ components combines seamlessly with Paraíba Open Data through native MCP adapters. Connect 20 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

Budget & Finance — Query budget allocations (get_dotacao), liquidations (get_liquidacao), and revenue execution or forecasts.
Public Spending — Inspect commitment notes (get_empenho), daily allowances for public servants (get_diarias), and payment authorizations.
Human Resources — Access detailed payroll summaries (get_folha_pagamento) to monitor state personnel costs.
Contracts & Agreements — List and analyze government contracts (get_contratos) and outstanding payables (Restos a Pagar).
Institutional Structure — Retrieve information about management units, government actions, and resource sources.

The Paraíba Open Data MCP Server exposes 20 tools through the Vinkius. Connect it to LangChain in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 20 Paraíba Open Data tools available for LangChain

When LangChain connects to Paraíba Open Data through Vinkius, your AI agent gets direct access to every tool listed below — spanning public-spending, transparency, budget-tracking, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

get

Get acao governamental on Paraíba Open Data

Get Ação Governamental (Government Action) data

get

Get autorizacao pagamento on Paraíba Open Data

Get Autorizações de Pagamento (Payment Authorizations) data

get

Get contratos on Paraíba Open Data

Get Contratos (Contracts) data

get

Get contratos aditivos on Paraíba Open Data

Get Aditivos de Contratos (Contract Addendums) data

get

Get convenios on Paraíba Open Data

Get Convênios (Covenants/Agreements) data

get

Get diarias on Paraíba Open Data

Get Despesa Orçamentária - Diárias (Daily Allowances) data

get

Get dotacao on Paraíba Open Data

Get Dotação Orçamentária (Budget Allocation) data

get

Get elemento despesa on Paraíba Open Data

Get Elemento da Despesa (Expense Element) data

get

Get empenho on Paraíba Open Data

Get Despesa Orçamentária - Notas de Empenho (Commitment Notes) data

get

Get folha pagamento on Paraíba Open Data

Get Resumo da Folha de Pagamento (Payroll Summary) data

get

Get fonte recurso on Paraíba Open Data

Get Fonte de Recurso (Resource Source) data

get

Get funcao on Paraíba Open Data

Get Função (Function) data

get

Get liquidacao on Paraíba Open Data

Get Liquidação (Liquidation) data

get

Get modalidade licitacao on Paraíba Open Data

Get Modalidade de Licitação (Bidding Modality) data

get

Get receitas execucao on Paraíba Open Data

Get Receitas - Execução (Revenue Execution) data

get

Get receitas previsao on Paraíba Open Data

Get Receitas - Previsão (Revenue Forecast) data

get

Get restos a pagar on Paraíba Open Data

Get Restos a Pagar (Outstanding Payables) data

get

Get subfuncao on Paraíba Open Data

Get Sub Função (Sub-function) data

get

Get unidade gestora on Paraíba Open Data

Get Unidade Gestora (Managing Unit) data

get

Get unidade orcamentaria on Paraíba Open Data

Get Unidade Orçamentária (Budgetary Unit) data

Connect Paraíba Open Data to LangChain via MCP

Follow these steps to wire Paraíba Open Data into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

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 20 tools from Paraíba Open Data via MCP

Why Use LangChain with the Paraíba Open Data MCP Server

LangChain provides unique advantages when paired with Paraíba Open Data through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine Paraíba Open Data 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 Paraíba Open Data queries for multi-turn workflows

Paraíba Open Data + LangChain Use Cases

Practical scenarios where LangChain combined with the Paraíba Open Data MCP Server delivers measurable value.

RAG with live data: combine Paraíba Open Data tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query Paraíba Open Data, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain Paraíba Open Data tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every Paraíba Open Data tool call, measure latency, and optimize your agent's performance

Example Prompts for Paraíba Open Data in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with Paraíba Open Data immediately.

"Show me the budget allocation (dotação) for Paraíba in 2024."

"What was the payroll summary for March 2024?"

"List the daily allowances (diárias) paid in January 2024."

Troubleshooting Paraíba Open Data MCP Server with LangChain

Common issues when connecting Paraíba Open Data to LangChain through Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Paraíba Open Data + LangChain FAQ

Common questions about integrating Paraíba Open Data MCP Server with LangChain.

How does LangChain connect to MCP servers?

Use 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?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.