Applied AI, RAG, and personal notes.https://jxnl.co/ Jason Liuhttps://github.com/jxnl/blog/en Sat, 15 Aug 2026 10:41:38 -0000 Sat, 15 Aug 2026 10:41:38 -0000 1440 MkDocs RSS plugin - v1.19.0 None https://jxnl.co/ Jason Liu AI Personal attention personal style taste A reflection on taste, style, attention, and why AI makes the ability to notice matter more than ever. https://jxnl.co/writing/2026/07/05/taste/ Sun, 05 Jul 2026 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2026/07/05/taste/ Jason Liu Applied AI Codex Personal Personal Software Workflows A simple rule for choosing between Scheduled Tasks and Scheduled Messages in Codex. https://jxnl.co/writing/2026/06/28/two-kinds-of-scheduled-work-in-codex/ Sun, 28 Jun 2026 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2026/06/28/two-kinds-of-scheduled-work-in-codex/ Jason Liu Applied AI Codex Computer Use Personal Personal Software Workflows When to use Computer Use, Chrome, or the in-app browser in Codex. https://jxnl.co/writing/2026/06/16/three-ways-codex-can-use-a-computer/ Tue, 16 Jun 2026 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2026/06/16/three-ways-codex-can-use-a-computer/ Jason Liu Applied AI Codex Personal Personal Software Workflows A simple way to teach Codex through an AI-powered morning brief that grows into automations, project threads, drafted work, and memory vaults. https://jxnl.co/writing/2026/05/18/six-levels-of-complexity-of-an-ai-powered-morning-brief-with-codex/ Mon, 18 May 2026 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2026/05/18/six-levels-of-complexity-of-an-ai-powered-morning-brief-with-codex/ Jason Liu AI Applied AI Codex Personal Personal Software Workflows How I use Codex as a place where long-running work can live. https://jxnl.co/writing/2026/05/10/codex-maxxing/ Sun, 10 May 2026 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2026/05/10/codex-maxxing/ Jason Liu Personal My top albums and artists from Spotify — and what the mix actually says about taste. https://jxnl.co/writing/2026/04/02/what-music-do-you-listen-to/ Thu, 02 Apr 2026 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2026/04/02/what-music-do-you-listen-to/ Jason Liu 567 Labs Courses Open Source RAG Writing and Communication Sunsetting 567 Labs, closing the courses today, and open sourcing the written content from transcripts as ebooks. https://jxnl.co/writing/2026/02/02/sunsetting-567-labs/ Mon, 02 Feb 2026 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2026/02/02/sunsetting-567-labs/ Jason Liu Personal personal recommendations things A list of things I've been using and plan to use. https://jxnl.co/writing/2026/01/24/things/ Sat, 24 Jan 2026 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2026/01/24/things/ Jason Liu Applied AI A letter to the readers of the AI Coding Accelerator. https://jxnl.co/writing/2025/09/11/do-your-engineers-know-how-to-leverage-ai/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/do-your-engineers-know-how-to-leverage-ai/ Coding Agents Context Engineering Multi-Agent Systems RAG RAG Speaker Series Speaker Series Deep insights from the teams behind Devin, Amp, Cline, and Augment on building effective coding agents. Learn why simple approaches are winning over complex architectures in autonomous coding systems. https://jxnl.co/writing/2025/09/11/coding-series-index/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/coding-series-index/ AI Machine Learning RAG RAG Retrieval-Augmented Generation Series Comprehensive guide to building, improving, and scaling RAG systems. From fundamentals to advanced enterprise implementations with real-world examples and proven strategies. https://jxnl.co/writing/2025/09/11/rag-series-index/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/rag-series-index/ RAG Speaker Series domain experts evaluation prompting security trust vertical AI How to successfully apply LLMs in specialized industries by building domain‑expert review loops, augmenting prompts with expert knowledge, and earning customer trust. https://jxnl.co/writing/2025/09/11/domain-experts-the-lever-for-vertical-ai/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/domain-experts-the-lever-for-vertical-ai/ ChromaDB RAG Speaker Series evaluation heuristic chunking retrieval performance semantic chunking text chunking Technical session with Anton from ChromaDB on text chunking fundamentals, evaluation methods, and practical tips for improving retrieval performance https://jxnl.co/writing/2025/09/11/text-chunking-strategies-for-rag-applications/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/text-chunking-strategies-for-rag-applications/ Coding Agent Series RAG RAG Speaker Series agentic systems agents autonomous coding retrieval Insights from Colin Flaherty on building autonomous coding agents and how agentic approaches reshape retrieval-augmented generation systems. https://jxnl.co/writing/2025/09/11/why-grep-beat-embeddings-in-our-swe-bench-agent-lessons-from-augment/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/why-grep-beat-embeddings-in-our-swe-bench-agent-lessons-from-augment/ Coding Agent Series RAG Speaker Series agent development coding context engineering multi-agent systems A deep dive into why multi-agent systems might not be the optimal approach for coding contexts, exploring context engineering, challenges of context passing between agents, and how single agents with proper context management can outperform multi-agent setups. https://jxnl.co/writing/2025/09/11/why-cognition-does-not-use-multi-agent-systems/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/why-cognition-does-not-use-multi-agent-systems/ Chroma RAG Speaker Series benchmarking embeddings evaluation generative evals A deep dive into generative benchmarking - creating custom evaluation sets from your own data to better assess embedding model performance. https://jxnl.co/writing/2025/09/11/stop-trusting-mteb-rankings-kelly-hong-chroma/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/stop-trusting-mteb-rankings-kelly-hong-chroma/ Extend RAG Speaker Series document automation evaluation extraction human-in-the-loop workflow Insights from Eli Badgio, CTO of Extend, on mapping document workflows, building task-specific evaluations, and implementing partial automation with human-in-the-loop approaches for 95%+ extraction accuracy. https://jxnl.co/writing/2025/09/11/how-extend-achieves-95-document-automation-lessons-from-eli-badgio/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/how-extend-achieves-95-document-automation-lessons-from-eli-badgio/ LanceDB RAG RAG performance Speaker Series embedding models fine-tuning re-rankers Practical approaches to enhancing retrieval quality through fine-tuning, re-ranking, and understanding trade-offs in RAG systems https://jxnl.co/writing/2025/09/11/the-12-rag-performance-boost-youre-missing-ayush-lancedb/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/the-12-rag-performance-boost-youre-missing-ayush-lancedb/ Glean RAG RAG optimization Speaker Series custom models embedding models enterprise search fine-tuning How Glean achieves 20% search performance improvements through customer-specific embedding models, unified data architecture, and smart feedback loops that most enterprise AI companies are missing. https://jxnl.co/writing/2025/09/11/why-glean-builds-custom-embedding-models-for-every-customer/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/why-glean-builds-custom-embedding-models-for-every-customer/ RAG Speaker Series TF-IDF filtering hybrid search information retrieval lexical search traditional search Guest lecture with John Berryman on traditional search techniques, their application in RAG systems, and how lexical search complements semantic search https://jxnl.co/writing/2025/09/11/lexical-search-in-rag-applications/ Thu, 11 Sep 2025 00:00:00 +0000 Jason Liuhttps://jxnl.co/writing/2025/09/11/lexical-search-in-rag-applications/