"Querying a PostgreSQL database using natural language input" matching MCP servers:

Enables users to manage company departments, employees, expenses, and performance ratings through a natural language interface in Claude Desktop. It features 12 specialized tools for comprehensive CRUD operations and AI-powered organizational analysis using Google Gemini.

Provides a standardized MCP interface to query and interact with TOTVS RM databases over HTTP, secured via API key.

MCP server for Lexware Office that enables querying and managing contacts, sales documents, vouchers, files, payments, and webhooks through a sandboxed two-tool interface (search/execute) with read-only-by-default write safety.

A read-only MCP server that connects Claude Desktop to TallyPrime, enabling natural-language auditing and analysis of accounting data directly from the local Tally installation.

MCP server for the Housecall Pro API, letting AI assistants read and write Housecall Pro data—customers, jobs, invoices, estimates, scheduling, and more—through natural language.

This MCP server enables users to ask natural-language questions about their QuickBooks Online company and receive answers from its live data, with read-only access guaranteed by construction. It runs entirely locally, using tools for receivables, payables, profit/loss, balance sheet, and custom queries.

MCP server that exposes the Timetta OData API as a universal query gateway, allowing users to list, describe, and query OData entities through natural language.

Enables interaction with SAP S/4HANA systems via OData, allowing service discovery, metadata exploration, field value retrieval, and CRUD operations through natural language.

Enables querying SAP Business One HANA databases through direct SQL, including read-only safeguards and tools for inspecting schemas, tables, and table structures.

A read/write MCP server that connects AI assistants to the OpenEMIS school management system, allowing natural-language queries and write operations across 678 resources and 3361 endpoints.

Exposes all 379 Invoice Ninja v5 REST API endpoints through three consolidated tools (list, describe, call), enabling full invoice management and business operations via natural language.

MCP server for querying inventory items and stock levels via internal API, enabling AI chatbots to look up product codes and current quantities.

Enables store operations including inventory and sales queries and automated replenishment ordering through natural language.

Enables read-only access to Keka HR timesheet and HRIS data, including employees, projects, clients, leaves, and holidays, through natural-language MCP clients.

Enables querying Odoo's model registry (fields, inheritance, methods) without a database connection by loading the registry in-memory.

Enables issuing invoices, proformas, and delivery notices, collecting payments, submitting e-Factura to Romania's SPV, and querying reference data on Oblio.eu through natural language from MCP clients.

Enables MCP-compatible AI agents to create and manage iCount accounting documents and clients directly from a conversation using a static API token.

Schema-aware MCP server for Accurate Online, providing tools to list resources, lookup endpoint schemas, make authenticated API calls, and refresh database host resolution.

Enables AI assistants to interact with Quipu accounting data via natural language, including invoicing, expenses, contacts, and Spanish VAT reporting.

A lightweight MCP server that connects AI assistants to Kintone applications for managing records and automating business workflows. It enables secure authentication and natural language interaction for performing CRUD operations and querying data within the Kintone platform.