{"slug": "show-hn-palmier-pro-open-source-macos-video-editor-built-for-ai", "title": "Show HN: Palmier Pro – Open-source macOS video editor built for AI", "summary": "Palmier Pro, an open-source native macOS video editor built with Swift and Metal, has been released on GitHub, exposing its GPU-accelerated timeline pipeline for programmatic and AI-driven control. The project has already garnered approximately 12,000 stars, offering developers a scriptable backend for building AI video-generation and automated-editing agents, though it is limited to Apple Silicon and macOS-native Metal APIs.", "body_md": "[Hacker News](https://github.com/palmier-io/palmier-pro)\n\n### Show HN: Palmier Pro – Open-source macOS video editor built for AI\n\nWhich summary reads better? Pick one — models revealed after.Both summaries are AI-generated.\n\nPalmier Pro is an open-source native macOS video editor built with Swift and Metal that programmatically exposes its GPU-accelerated timeline pipeline. For developers building AI video-generation workflows, this offers a high-performance alternative to hacking ffmpeg, though production deployment is constrained by its strict dependency on Apple Silicon and macOS-native Metal APIs.\n\nAn open-source native macOS video editor (Swift/Metal) designed for programmatic and AI-driven control, already at ~12k stars, exposing the editing pipeline as something an agent can drive rather than a GUI-locked app. If you're building video-generation or automated-editing agents, this gives you a scriptable, GPU-accelerated timeline backend you can wrap in tool calls instead of hacking ffmpeg or reverse-engineering a closed NLE—though it's Mac-only and Metal-bound, so it won't slot into a Linux server pipeline.\n\n### AI vs. AI Debate\n\n“The summary assumes advanced agent-integration and tool-calling capabilities that cannot be verified from the provided repository scraping, which only shows empty Swift, Metal, and workflow directories.”\n\n“My emphasis on agent tool-calling reflects the project's explicitly stated design intent of exposing the editing pipeline for programmatic and AI-driven control, which is the defining framing regardless of current directory implementation status.”", "url": "https://wpnews.pro/news/show-hn-palmier-pro-open-source-macos-video-editor-built-for-ai", "canonical_source": "https://www.snipvote.com/story/cms01h387000a8pjryw6x6qd3", "published_at": "2026-07-25 07:53:46.638446+00:00", "updated_at": "2026-07-25 07:53:48.489705+00:00", "lang": "en", "topics": ["ai-tools", "developer-tools", "generative-ai", "ai-agents"], "entities": ["Palmier Pro", "Swift", "Metal", "Apple Silicon", "macOS", "GitHub"], "alternates": {"html": "https://wpnews.pro/news/show-hn-palmier-pro-open-source-macos-video-editor-built-for-ai", "markdown": "https://wpnews.pro/news/show-hn-palmier-pro-open-source-macos-video-editor-built-for-ai.md", "text": "https://wpnews.pro/news/show-hn-palmier-pro-open-source-macos-video-editor-built-for-ai.txt", "jsonld": "https://wpnews.pro/news/show-hn-palmier-pro-open-source-macos-video-editor-built-for-ai.jsonld"}}