"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.

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.

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.

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.

Enables an MCP client to search, filter, and read Singapore public-service job postings, including full details of individual listings and the valid filter values. All tools are read-only and return both readable summaries and structured content.

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.

Enables interaction with the EDINET API v2 to handle disclosure documents such as annual securities reports, and supports building company-profile snapshots with key financial figures and peer comparisons.

Enables verification of Japanese companies through JP-Verify's API: checking qualified-invoice registration (T-numbers) and Corporate Numbers, resolving company names to candidate numbers, retrieving official or romanised English names and addresses, and fetching major-shareholder tables from EDINET filings. Supports single or batch lookups with API-key or key-less sandbox access, returning raw responses plus quota and provenance metadata.

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 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.

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.

Enables AI assistants to query live US lake and reservoir water levels from public agency gauges, including current elevation, historical trends, and side-by-side comparisons without an API key.

Enables access to Japan Meteorological Agency data through MCP, covering weather forecasts, warnings, earthquakes with seismic intensity, tsunami bulletins, and volcano alerts, with place-name lookup in kanji, kana, or romaji and no API key.

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.

The standard VAT rate in any of the 27 EU member states on any date since 2016, including temporary cuts. Runs offline with no API key.

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

ECB data for AI agents — rates, yields, inflation, money supply, and 100+ datasets. No API key.

This MCP server enables searching and retrieving Romanian legislation from the Portal Legislativ database via its SOAP API, providing metadata and full text with verifiable citations.

Enables AI agents to retrieve live Hong Kong monetary data (HKMA Base Rate, HIBOR fixings, USD/HKD peg band) via typed tools, no API key needed.

MCP server that enables AI chatbots to search, explore, and obtain download links for datasets from the Republic of Azerbaijan's Open Data Portal (opendata.az).

An MCP server for SEC EDGAR written in Rust: company filings, full-text search, XBRL financials, insider transactions and company info. A single native binary; no API key.

Provides LLM agents with live access to Canadian economic and financial data (exchange rates, interest rates, inflation, etc.) through the Bank of Canada Valet API, with no API key required.

Access French geographic data from IGN (Institut national de l'information géographique et forestière) including cadastral parcels, agricultural land registry, protected natural areas, urban planning zones, and wine appellations through natural language queries.

Provides AI agents with Korean national fiscal data (budgets, settlements, and fiscal programs) from multiple government APIs through 7 tools, enabling natural language queries.

Enables AI agents to search and read the Official Gazette of Iran (rrk.ir) without an API key: list the newest laws, regulations and court rulings, search them by title, full text, group, approver, special issue number or Jalali gazette date, retrieve a law's full text, and list licensed currency exchange offices.

Enables AI agents to query official Statistical Centre of Iran data read-only without an API key, covering CPI and inflation breakdowns, unemployment and participation rates, GDP and producer prices, census population by province and county, macro-indicator workbooks, release calendars, and any Excel table from a published release. Results come back as compact JSON with Jalali periods and Persian titles.

Enables natural language discovery, querying, and analysis of Thailand's official statistics from the National Statistical Office via SDMX REST API. It provides tools for searching dataflows, exploring structures, and fetching data with caching and bilingual support.

Enables agents to retrieve SEC EDGAR 10-K, 10-Q, and 8-K filings with pay-per-call USDC micropayments on Base via x402, requiring no API key or signup.

Check visa requirements for 39,585 passport-destination pairs in 15 languages. Returns visa type, required documents, application process, and travel tips from 136 official government sources. Free quick checks without API key.

Enables AI assistants to validate and standardize US addresses using the official USPS Address Validation API with secure OAuth2 authentication.