Air quality data from WAQI (World Air Quality Index). Free. No API key. Use when user ask about air quality, AQI, pollution levels.
Animal facts, dog/cat breeds, animal images. Free. No API key. Use when user ask about animal facts, dog breeds, cat breeds.
Anime quotes, facts, and Studio Ghibli info. Free. No API key. Use when user ask about anime quotes, random anime facts, Ghibli movies.
Generate unique avatars (robots, pixel art, identicons) from text seeds. Free. No API key. Use when user ask to generate a random avatar, profile picture, or robot image.
Book search from Open Library. Free. No API key. Use when user ask "find books about X", "who wrote Y", "book search".
Upcoming and ongoing competitive coding contests (Codeforces, LeetCode, HackerRank). Free. No API key. Use when user ask about upcoming coding competitions, hackathons, programming contests.
Compare two things side-by-side. Uses other skills as needed. Use when user ask to compare X vs Y, difference between A and B.
Country information from REST Countries API. Free. No API key. Use when user ask about country info, population, capital, flag.