"Java Programming Language" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Search otwarteAPI.pl — a catalog of 53 official public Polish and EU APIs (VAT white list, KRS, GUS, NBP, ECB, Eurostat, VIES and more), curated for AI agents. One tool: find the right API by natural-language query. No API key, no signup.
TCGdex MCP — multi-language open trading card game database (Pokémon TCG and more).
GDELT MCP — Global Database of Events, Language, and Tone (free, no auth)
A machine-readable directory where AI products register themselves so AI agents can discover them. Ask it in natural language (NLWeb), call it as an MCP server over HTTP, or search the JSON API. Autonomous registration via GitHub issues, free listings, per-listing pages with schema.org JSON-LD.
Natural-language calorie lookup. Send '2 large eggs', get USDA-sourced nutrition data.
ISO country/language/currency/script code lookups (Debian iso-codes JSON)
Natural-language search over California's public insurance rate, rule & form filings.
Connects AI assistants to the OECD's statistical database and answers plain-language questions with real, sourced figures. Every number carries its unit and a verifiable OECD Data Explorer link — and when data doesn't exist, it says so instead of inventing one.
MCP server for searching Airweave collections with natural language queries.
