"How to obtain an API key" matching MCP servers:

Enables searching government awards through the Sell to State API by proxying JSON-RPC to the live HTTP MCP endpoint, requiring an API key.

Free Polish VAT invoice generation MCP server with PDF output and preview. No API key required.

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

Enables querying key financial figures from Danish companies' published annual reports via CVR number, using XBRL data from Erhvervsstyrelsen, without an API key.

European financial data for AI agents — ECB interest rates, Eurostat inflation, GDP and unemployment by country. Zero API key needed.

An MCP server for the U.S. Census Bureau's International Trade Data API, enabling queries of monthly export and import statistics by HS, NAICS, end-use, and other classifications, with tools for trade balance, top partners, and country code lookup.

Enables searching and retrieving EU legal documents (regulations, directives, court decisions) via the EUR-Lex Cellar API, supporting full-text search, metadata, citations, and consolidated versions without requiring an API key.

Provides AI agents with real-time access to French real estate transaction data, price per square meter, and property estimates using official open DVF data, with no API key required.

Ask about the Saudi economy in plain English or Arabic. No API key or database required.

Deterministic SNAP eligibility logic, exposed as auditable Model Context Protocol tools. An AI agent can read, reason, and orchestrate, but the eligibility determination itself is made by versioned, tested, cited code that a caseworker, an auditor, or a court can inspect.

Enables natural-language querying of US WARN Act layoff notices across 48 states since 1988, including searches, employer histories, state totals, and agency revisions, with no API key.

Provides Claude and any MCP client with plain-English access to official San Antonio-area public data including weather alerts, school ratings, and 311 service calls, with no API keys required.

Provides access to live UK Parliament data including bills, votes, MP profiles, and financial interests without requiring an API key. It enables users to track parliamentary rebellions, search petitions, and cross-reference voting records with declared financial interests.

Provides IRS income and tax statistics by ZIP code, enabling LLM agents to query income distribution, tax liabilities, credits, and deductions for any U.S. ZIP code using public IRS SOI data without an API key.

Trust layer for 412 official Malaysian public datasets, with freshness, licences, and a public read-only MCP server. No API key.

An MCP server for the Library of Congress that enables searching scanned American newspaper pages, searching catalogue items by media type, reading individual records, and listing digital collections, all without requiring an API key or account.

Enables real-time retrieval of authoritative Chinese government policies and verification of law article citations (《法名》第X条) via public sources, with no API key required.

Enables querying French company registry data by name, SIREN, or SIRET, returning clean JSON with registry codes translated into plain French labels. Supports searching, full profiles, establishment listings, and decoding of NAF/legal form/workforce codes without requiring an API key.

Enables AI agents to access economic statistics from the Central Reserve Bank of Peru, including exchange rates, interest rates, and GDP, without requiring an API key.

Provides access to Victoria, Australia's public holidays and important dates via an MCP server.