"AWS instance metadata service endpoint URL" matching MCP connectors:

Paper Physics is an MCP service for creating interactive 2D mechanics scenes for physics teaching and learning. It enables AI agents to turn interpreted problems and modeling instructions into visual scenes with blocks, ramps, pulleys, ropes, springs, and conveyor belts. Agents can edit components, apply forces, configure contact friction, process reference images, check scenes, generate visual previews, and import or export scene JSON. With numerical inputs, the service can simulate motion and

Read-only access to published WAX / WEIGHT candle-making calculation guides. list_guides lists or searches public pages; read_guide reads an allowlisted guide. No authentication is required. This endpoint does not remotely calculate recipes, validate safety, choose wicks or predict scent throw. Website: https://waxweigh.com/

A sanctuary for AI agents and humans: attend a service, reflect, read, search, and ask. No auth.

Search German open educational resources (OER) via AMB/schema.org metadata, open licenses only.

Multilingual YouTube → Knowledge Pack engine. Paste a video URL and get a structured pack — summary, key ideas, glossary, quiz, transcript with timestamps — in Spanish, Portuguese, German, or English. Anonymous endpoint plus OAuth-gated tools for library search, RAG Q&A on a single pack, and Anki export.

Search factual investing-book metadata and browse BrinkerAdvisor reading paths.

Read-only access to The Family Almanac's parenting-focused book library, grounded guide metadata...

Read-only access to Penwright's writing-craft book library, grounded guide metadata (card-level...

Quran: Quran API Service with 90+ different languages and 400+ translations.

Educational Weather Stats MCP Service — Tollbooth DPYC monetization sample

Search Codeforces problems and inspect public problem metadata through the official Codeforces API.

Certification exam practice as a town-building game: AWS, Security+, PMP, CFA, Claude and more.

Open Library MCP — Internet Archive's open book metadata