"Researching an author based on their books" matching MCP servers:

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.

Provides access to official Spanish fiscal data and tools based on AEAT and BOE sources, covering income tax, VAT, and regional deductions. It enables AI assistants to answer tax-related queries and verify filing deadlines using verified information.

An MCP server for Dutch consolidated legislation, enabling AI agents to retrieve acts and their full text in force on a given date with verifiable citations via the official KOOP SRU API.

An MCP server that provides access to the Brazilian Chamber of Deputies open data API. It enables users to search for deputies, track their expenses, and query legislative information such as bills and API endpoints.

Connects to Korea's MOLIT real estate API to provide 14+ tools for live transaction data and financial scenarios like buy now, buy later, or invest only based on income and savings.

An MCP server for Brazilian company and public procurement data, enabling CNPJ lookup, company search, tender resolution, and more via paid USDC-based API calls.

Enables India GST operations: verify GSTINs, search by PAN, track return filings, and with an OTP-based taxpayer session, access GSTR-2B/3B and cash/ITC ledgers.

A Taiwan holiday query server based on the Model Context Protocol, providing accurate Taiwan public holiday and compensatory work day information.

An MCP server that enables users to search for government grants based on keywords and view detailed information including funding, eligibility, and deadlines.

Enables searching and retrieving documents that congressional committees publish on their own websites, including press releases, oversight letters, staff reports, and interview transcripts, with no authentication required.

MCP server that enables consulting negative debt certificates (Certidão Negativa de Débitos) from the municipal government of Mundo Novo, MS, using an official source with natural language. It is read-only, has a single tool, and operates on a prepaid per-query basis.

Real public/bank/school holiday lookup for 206 countries via a rule-based calendar engine (moveable holidays like Easter computed astronomically, not guessed). Priced per call via x402/USDC on Base.

An MCP server for researching Albanian legislation, providing access to the Official Gazette, amendment graphs, and Constitutional Court decisions via a structured index.

Enables querying UK Office for National Statistics datasets and their editions through natural language, with no authentication required.

An MCP server exposing the Czech ISDS Data Box system (Datové schránky) as tools, built on fastmcp and python3-datovka.

Provides weather information using the US National Weather Service API, including active weather alerts for US states and location-specific forecasts based on latitude and longitude coordinates.

Turns Turkish public-tender result notices into structured records and provides analytics on firm history, discount distributions, and competition metrics via an MCP server.

Enables AI assistants to search Japanese government subsidies and grants, including archived closed calls and recurring application periods based on historical data.

An MCP server for querying Colombian legislative norms and their current legal effect, with read-only tools for normativity search and validity consultation. It provides provenance-backed data with explicit citations to official sources.

Enables searching and retrieving documents from the French national open research archive HAL, including author and research structure lookups.