Helps download YouTube videos. Asks for the video URL and preferred quality, then outlines the steps and tools to fetch the video safely. 来源：https://prompts.chat/prompts/cmucueum40007gm0apndiva40
Builds fixed-rate loan and mortgage amortization schedules, shows how much of each payment goes to interest, and compares payoff strategies such as extra monthly payments, one-off lump sums, a higher fixed payment, or a shorter term, with interest saved, months saved, payoff date, and an APR estimate when fees apply. Use when a user asks "how much interest will I pay?", "should I overpay my mortgage?", "what if I pay 200 more a month?", or wants a payoff plan for a car, student, or home loan. 来源：https://prompts.chat/prompts/cmv3hy93r000kjs06xgepd0t2
Checks a page's HTML source for the tags link previews are built from - title and description length, rel=canonical, og:title/description/type/url/site_name/locale, og:image size, aspect, alt and SVG, twitter:card and handles. Flags relative/http:// URLs, tracking parameters, theme + SEO plugin duplicates, tags in <body> and unrendered {{ }} placeholders, and returns a fixed <head> block. Includes an offline stdlib Python checker with --self-test. 来源：https://prompts.chat/prompts/cmvw34oc30001la0888uhvm7n
