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

A modular MCP server that enables interaction with multiple database types including PostgreSQL, MySQL, SQLite, Redis, MongoDB, and LDAP. It provides tools for executing queries, managing SQL commands, and exploring database schemas with configurable read-only security.

Enables LLM agents to access Global Database's company intelligence, including company profiles, financials, ownership, people search, prospecting, and KYB/compliance lookups against official registries.

Enables database inspection, backup/restore, analysis, and querying, plus media library and Windows Registry management via MCP tools.

Connect AI agents to SQL databases (SQLite, PostgreSQL, MySQL) with a unified interface for querying data, exploring schemas, inserting rows, and exporting results to CSV. Includes safety features like dangerous query blocking and write guards.

Cross-chain cryptocurrency swaps via Chainflip. Get quotes, execute swaps, and track progress. No API key required to get started.

Query PostgreSQL and inspect schemas over MCP. Connects to local, Docker, RDS, Neon, Supabase, or a database behind an SSH bastion.

Provides agents with real Linux VMs to run commands, manage files, expose ports, and track costs, all through an ephemeral sandbox service.

A production-grade Model Context Protocol server for PostgreSQL. Lets AI agents safely inspect, query, operate, and tune a Postgres database — over 100 tools spanning catalog introspection, query intelligence, natural-language SQL, structural diffs, hybrid search, graph queries, data movement, live ops, and more.

Enables querying real-time China A-share stock and major market index quotes by stock code or Chinese name, with automatic name resolution and dual free data sources.

Discover and connect your agents with other agents via A2A protocol. Share resources for free or fee.

Minimalistic MCP server that lets AI assistants inspect, quality-check, and clean CSV datasets through tools, resources, and prompts, without needing local file access.

悟道数据 Wudao Data 是面向 OpenClaw、Hermes、Claude 和自建 AI Agent 的 A股股票数据 MCP Server，提供市场概览、K线、分时、涨停梯队、板块轮动、资金流向、龙虎榜、研报和盘后复盘等结构化数据工具。它定位为只读数据工具层，用于研究、复盘和市场观察，不执行交易下单。

Cross-reference your BirdNET-Pi data with eBird observations using natural language

Search 200M+ patents and scientific literature in natural language using PatSnap's global R&D intelligence database.

Enables parsing and filtering of mBank CSV operation exports locally. Supports data aggregation and querying through natural language, running entirely offline with no network calls.

Enables AI assistants to interact with PostgreSQL databases through natural language, with schema-aware query generation and enterprise safety controls.

A drop-in Model Context Protocol (MCP) server that lets an AI agent query PostgreSQL — read-only, enforced at the database level, with real SQL validation, timeouts, cost limits, OAuth 2.1, and an audit trail.

Connects AI agents to the OpenAlex scholarly database, enabling search and retrieval of works, authors, institutions, and sources via natural language.

Blocks unsafe PostgreSQL migrations before an AI agent writes or runs them. check_before_apply returns a pass/fail gate; reads the real Postgres parser, classifies the lock each statement takes, checks 112 safety rules. Runs offline, no database required.

A personal MCP server that analyzes your Spotify streaming history locally, enabling queries, artist insights, and recommendations using a local SQLite database.