Home/Blog/Show HN: Send21 – Crypto pay links an AI agent can create but can't spendAI & MLShow HN: Send21 – Crypto pay links an AI agent can create but can't spendHacker News Show2026-10-30 16:260 viewsArticle URL: https://send21.io/demo Comments URL: https://news.ycombinator.com/item?id=50301153 Points: 1 # Comments: 0Source:https://send21.io/demoMy favoritesPreviousShow HN: Wayther – iOS weather app for road tripsNextShow HN: CursedyRelated posts12% of the Economy: The Benchmark That Grades AI Agents Like EmployeesOn November 2, 2026, the research firm SemiAnalysis published GDPx, a benchmark that asks frontier AI models to do actua0dev.to Machine LearningA headline said the CMB killed huge black holes. I read the two papers.A science headline landed in my feed: the cosmic microwave background rules out "stupendously large" black holes as a si0dev.to CareerThe Fields on Your Invoice That Decide When You Get PaidBy Melissa R. Gardner, VP Marketing at NovoEX. Disclosure: I work at NovoEX. This applies to any invoicing tool and any 0dev.to BeginnersWe checked 317 merged AI-agent PRs against the tickets they closedCoding agents now open a lot of pull requests that say Fixes #123 . I wanted to know how often the ticket is actually do0dev.to TestingFrameTrellis v1.4.0 Released: Advanced Timeline Editing, Keyframes, Subtitles & 4K ExportFrameTrellis v1.4.0: Advanced Timeline Editing, Keyframes, Subtitles and 4K Export I'm excited to announce FrameTrellis 0dev.to OpenSourceCoding agents with a face: bots in CoincideCoincide runs Claude Code, Codex, Cursor, Grok Build, OpenCode and Antigravity side by side in one native Mac window. Bo0dev.to OpenSource