"Free APIs and services without commercial fees" matching MCP servers:

Enables searching and retrieving Korean commercial registration precedents (617 cases) from the Supreme Court's portal for legal practice.

MCP server providing official US economic data including CPI inflation, famous prices, national debt, and Treasury interest rates. Enables AI agents to query historical and latest economic statistics via natural language.

MCP server exposing all major Swiss official public APIs as native tools for any MCP-compatible AI agent.

Enables comprehensive search and browsing of Berlin city services. Also supports PDF form discovery, analysis, and filling with resilient caching.

Enables querying live Sonoma County animal shelter intake and outcome records, including recent intakes, animal lookup by id/name/breed, and outcome summaries.

Enables AI agents to search and retrieve Israel's social services data, including service details, taxonomy, and location-based queries.

Provides MCP tools to query live Austin Animal Center intake and outcome records, including recent intakes, animal lookup by ID/name/breed, and outcome summaries by type, animal type, or month.

Enables trademark clearance and research across EU and Benelux registers, plus company, group-structure, and EU VAT lookups, all through free public sources without API keys.

Enables MCP clients to search verified Japanese corporate records — EDINET XBRL financials, 13-digit corporate numbers, major shareholders, and gBizINFO certifications — locally through a single knowledge-search tool with keyword, fuzzy, semantic, or hybrid retrieval. It also maps J-GAAP, US GAAP, and IFRS concepts so filings can be read in English without mistranslating terms like 営業利益 and 経常利益.

MCP server for answering questions about official statistics from a single publication URL, with tools to check query scope, retrieve overview, text, data files, and search.

Facilitates retrieval of National Park Services data using the NPS API, allowing users to list national parks by state and access detailed information about specific parks.

Torify gives AI agents the Japanese locale primitives that standard libraries lack — imperial era date conversion (wareki), qualified invoice number validation with NTA registry lookup, corporate number lookup (法人番号), postal code resolution, name romanization (Hepburn), and kanji-to-kana conversion via Yahoo! JLP. 31 endpoints total. No authentication required for MCP. Pay-per-call $0.02/call via

MCP server for OFAC SDN sanctions screening. Check names against US Treasury sanctions lists with automatic cache refresh. No API key needed for the check itself.

One-call Australian health and welfare data plumbing via AIHW — cited responses for practical analysis, not a data broker.

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

Enables querying of Hong Kong government data on elderly community care services, such as waiting times and applicant counts.

Provides access to Hong Kong climate and weather data from the Hong Kong Observatory, including current conditions, forecasts, warnings, tides, and more.

A server for querying, practicing, and analyzing exam questions from Taiwan's national examinations, offering 20 tools including search, statute lookup, weak topic review, and readiness assessment.

Query normalized U.S. House and Senate STOCK Act disclosures, member trading histories, and aggregate trading statistics through MCP.

Enables querying Swiss company data from official public sources: commercial register, UID register, and Swiss Official Gazette of Commerce, with per-company lookups and request budgets.