"Using PostgreSQL with n8n Workflow Automation" matching MCP servers:

Integrates Eurostat quality-of-life metrics and real-time job searching to help users find international internships in high-ranking European cities. It enables ranking cities based on personalized criteria like safety or transport and retrieves structured internship listings via the Tavily API.

Enables searching Korean court auction cases and personal case information via case numbers using headless browser automation of government websites.

MCP server for accessing India's Ministry of Statistics and Programme Implementation (MoSPI) data APIs. Enables natural language queries for economic, demographic, and social indicators via a 4-tool workflow.

Enables AI agents to research U.S. companies and associated people using official state registries and free regulatory datasets, with normalized evidence and optional browser automation.

MCP server to verify a farmer's enrollment in the Garantia Safra program using CPF and NIS, with read-only access and hosted service.

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.

Enables answering US economic questions by searching, fetching, and comparing FRED data series through a supervised multi-agent workflow with built-in safety and cost controls.

Enables querying the Urban Institute's Education Data Portal — harmonized federal data on schools, school districts, and colleges — through a discovery-first set of tools that search and describe datasets, fetch raw records or aggregated statistics, decode coded values, and resolve institution names to IDs, with no API key required and read-only access to the live API.

Enables looking up Australian companies by ABN, ACN, or name against the ASIC register, with payments settled via x402.

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.

An MCP server that gives Claude access to Canada's public procurement data from CanadaBuys, enabling search for tenders, awards, and spend summaries with traceable sources. It provides five tools: search_tenders, get_tender, search_awards, summarize_spend, and export_report.

Enables AI agents to answer civic questions about Virginia state, county, and municipal public data, including zoning, parcel, boundary, and Code of Virginia lookups, with provenance on every answer.

Enables LLM agents to retrieve normalized US-GAAP financial statements from SEC EDGAR—income statement, balance sheet, and cash flow—with point-in-time as-reported figures and per-value SEC source provenance for citation.

MCP server for searching Korean public procurement bid notices (나라장터) using natural language.

Enables natural language queries about Swiss mandatory health insurance coverage for medications and medical devices using official BAG lists.

An MCP server that lets an LLM answer a pharmacist's question about drug shortages by normalizing drug names, finding pharmacologic alternatives, and checking their shortage status using public FDA and NLM data.

Local MCP server for validating EU VAT numbers using the official VIES API. Enables AI to check VAT validity and optionally retrieve consultation numbers for legal proof.

MCP server for the RegIntel API — structured regulatory data across 41 jurisdictions and 212 regulations

Enables high-performance access to USPTO Final Petition Decisions API with intelligent context reduction (80-99%), customizable fields, hybrid document extraction (free PyPDF2 + Mistral OCR fallback), and seamless cross-MCP integration for complete patent lifecycle analysis including prosecution history, PTAB challenges, and citation intelligence.