"MCP server that supports JAR decompilation" matching MCP servers:

MCP server that resolves postal/ZIP codes to place names, states, and coordinates using Zippopotam.us. Free, no API key required.

Enables real-time domain registration lookups via RDAP, including availability, expiration, and registrar details, with no API key required. Supports natural language queries like 'is example.com available?' or 'when does example.com expire?'.

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.

An MCP server that gives LLMs live access to clinical trials, FDA drug recalls, adverse-event reports, drug labels, and drug-name normalization via six validated tools.

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.

MCP server that fetches ServiceNow Community events for a date range and returns them as structured data, optionally writing a CSV. No login or credentials required.

An MCP server that gives AI assistants direct access to NASA's Exoplanet Archive — the authoritative database of every confirmed exoplanet, candidate planet, and host star.

An MCP server that searches across the Internet Archive and Library of Congress at once, merging results while keeping each archive's differences. Provides tools to search inside texts, search catalogues, and retrieve item records, all read-only and without an API key.

An MCP server for the Internet Archive that enables searching the full text of digitized books, browsing the catalogue, and reading Wayback Machine captures. No API key or configuration required.

Enables monitoring public contract awards from US and UK registers, returning companies that won public work with award details and resolved domains.

MCP server for the Brazilian Central Bank (BCB/SGS) public API, providing access to 18,000+ economic time series. Includes a curated catalog of 150+ popular indicators organized in 12 categories: interest rates (Selic), inflation (IPCA, IGP-M, INPC), exchange rates (USD, EUR), GDP, employment, credit, fiscal data, and more. Supports historical queries with date filters, latest values, metadata loo

Enables currency conversion and exchange rate lookups using real ECB reference rates, free and without an API key. Supports natural language queries like 'convert 100 USD to EUR' or 'what's the exchange rate between GBP and JPY?'.

MCP server that gives Claude live access to Major League Soccer data — teams, matches, standings, rosters, and schedule-strength analytics — via the ESPN public API.

Privacy-first OSINT scanning MCP server that aggregates ~25 sources into a risk report, running locally with no data leaving your machine.

Enables querying current weather conditions for a named location with an optional country code, returning structured results that include units, time, resolved location, and data source.

Enables network information lookup through WHOIS and RIPE Database queries. Supports domain/IP/ASN lookups, AS-SET expansion, route validation, and contact information retrieval across multiple Regional Internet Registries.

An MCP server that exposes World of Warcraft character data from the Blizzard API, offering read-only tools for character summaries, equipment, Mythic+ scores, realm lookup, and other character sub-resources.

An MCP server that lets AI assistants discover and retrieve official statistics from SDMX services, returning actual data observations rather than just query URLs.

MCP server that finds open-source, commercially-usable icons and returns direct SVG download links, searching over 300,000 icons with license filtering.

An MCP server that lets LLMs query USGS NHDPlus HR hydrography data—streams, rivers, lakes, stream gages, and watershed boundaries—via point or GeoJSON geometry intersection queries.