"How to Connect to a PostgreSQL Server" matching MCP servers:

Enables querying SINTEGRA TO (state tax information) through a read-only MCP server, using natural language.

MCP server for consulting vehicle data from DETRAN TO official source. Read-only, pay-per-use, works with any MCP-compatible client.

Enables users to query IPVA (vehicle property tax) data from the official SEFAZ TO source via a read-only MCP tool.

Enables AI assistants to query the official DETRAN TO source for CRLV printing via a read-only, hosted MCP server with pay-per-query prepaid credit.

Read-only MCP server for querying SEFAZ Tocantins (SEFAZ TO) NFC-e (electronic consumer invoice) data from official government sources via natural language, working with any MCP-compatible client such as Claude, Cursor, VS Code, and more.

Enables querying of a locally pinned snapshot of the Education-to-Workforce Indicator Framework — 99 indicators and 11.8M observations — to browse questions, describe metrics, resolve places, and fetch or rank data across national, state, county, and district levels.

Provides a read-only MCP tool to consult official SEFAZ TO negative debt certificates via a hosted, prepaid API.

Enables consultation of negative debt certificates (Certidão Negativa de Débitos) from the Palmas, TO city government through an official source.

MCP server for querying negative certificates of court proceedings (Certidão Negativa de Feitos) from MPT DF e TO via official sources, with prepaid credit and read-only access.

Enables natural language queries to official dental council registration data in Tocantins, Brazil. Read-only, hosted, and works with any MCP client.

Enables searching and retrieving UK research grants, award values, institutions, and publications from the UKRI Gateway to Research API without authentication.

Finds companies registered at JUCESP from a partner's name, CPF, or CNPJ, returning the NIRE of each participation. It is a read-only MCP server hosted at api.mcp.ai.

Enables AI assistants to check passport visa, entry, and transit requirements for a country pair using official government sources and a deep link to EasyOnward.

A Model Context Protocol server implementation that provides structured, AI-friendly access to eRegulations data, making it easier for AI models to answer user questions about administrative procedures.

A Model Context Protocol server that provides access to the GLEIF REST API for querying legal entity information, LEI records, issuer details, and organizational relationships.

Provides real-time access to Israeli emergency alerts from the official Pikud Haoref (Home Front Command) API. Enables AI assistants to check current alerts, retrieve alert history with intelligent city filtering, and monitor emergency notifications including rocket alerts, aerial intrusions, and earthquakes.

A production-grade MCP server for querying U.S. Census Bureau data (ACS 5-Year and Decennial) with tools for geographic fuzzy matching, variable search, and batched data retrieval, backed by a PostgreSQL cache for performance.

A modular MCP server that provides tools for looking up country and state information. Designed as a demonstration of building extensible MCP servers with custom tool modules.

Enables MCP clients to read and search Brazilian municipal official gazettes from the Querido Diário public API, including resolving cities by name or IBGE ID and full-text gazette searches with filters.

Enables searching the NIAID Data Ecosystem for biomedical research resources including datasets, clinical studies, and publications using Elasticsearch queries.