pca-integrator

Deploy MCP servers bridging Claude to PostgreSQL and PCA Camocim APIs.

Updated Dec 9, 2025
One-click install
npx skills add https://github.com/narcisolcf/skills_claude_narciso --skill pca-integrator
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: pca-integrator
Source: https://github.com/narcisolcf/skills_claude_narciso/tree/main/pca-integrator
Command: npx skills add https://github.com/narcisolcf/skills_claude_narciso --skill pca-integrator

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires requests, pandas, numpy, python-dotenv, mcp, anthropic, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Claude needs to interact with real-world data and APIs securely. This skill provides the framework and guidance to build "bridges" (MCP Servers) that enable Claude to query databases, validate information, and automate tasks using external systems, moving beyond conversational AI to actionable intelligence.

Core Features & Use Cases

  • MCP Server Generation: Guides the creation of Model Context Protocol (MCP) servers in Python or Node.js to integrate Claude with external systems like PostgreSQL databases and PCA Camocim APIs.
  • Secure Data Access: Emphasizes best practices for secure integration, including using environment variables for credentials and implementing read-only tools by default.
  • Evaluation & Validation: Provides scripts to test and validate the functionality of the created MCP servers, ensuring they respond correctly to Claude's requests.
  • Use Case: A municipal government needs Claude to check real-time budget balances or validate citizen IDs against a PostgreSQL database. This skill helps an engineer build the secure MCP server to enable such queries.

Quick Start

Crie um servidor MCP Python que permita consultar o saldo de orçamento de uma secretaria.

Frequently Asked Questions about pca-integrator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I connect Claude to a PostgreSQL database securely?

Build an MCP server using the MCP SDK in Python or Node.js that exposes read-only database tools. This Skill guides you through creating secure bridges between Claude and PostgreSQL, using environment variables for credentials and explicit input/output schemas to query live data safely.

Can I use Claude to validate data against external APIs in real time?

Yes. Deploy an MCP server that wraps API endpoints like PCA Camocim for tasks such as CPF validation or budget balance checks. Claude queries the server, which handles authentication and returns validated results without exposing credentials to the model.

What's the best way to set up an MCP server for Claude data access?

Use Python or Node.js with the MCP SDK to implement idempotent, non-destructive tools with explicit schemas. This Skill provides framework guidance, example implementations, and validation scripts to ensure your MCP server responds correctly to Claude's queries.

Do I need Node.js or Python to build an MCP server for Claude?

This Skill supports both Node.js and Python MCP server implementations. Choose based on your environment and team expertise; both can integrate Claude with PostgreSQL and external APIs using the same MCP protocol.

How do I test that my MCP server works with Claude?

This Skill includes validation scripts to verify your MCP server's responses before connecting to Claude. Testing ensures tools are idempotent, schemas are correct, and data flows securely through the bridge.

What are the limitations of read-only MCP tools for data access?

Read-only tools prevent Claude from modifying databases, protecting data integrity. This approach suits queries like checking inventory or validating IDs but cannot support real-time updates; for mutations, implement explicit safeguards and approval workflows.