Ken Kousen

Tales from the jar side: P6Spy, Cursor for Java, Fun with timezones, Halloween gags, and the usual social media silliness https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-p6spy-cursor?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Newsletter stats and NotebookLM, Cursor for Java, Claude Agent Skills, A chess tragedy, and the usual social media posts https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-newsletter-d0d?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: The Developer Ecosystem 2025, Claude Code skills and plugins, Greatest Sho On Earth, and the usual social media silliness https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-the-developer?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Video generation with Sora 2, Making LLM's feel bad, Diane Keaton, and the usual social media stuff https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-video-generation?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: The $$$ of AI CLI tools, Ethereal Voices, and the usual Social Media silliness https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-the-of-ai?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Newsletter recommendations, AInception, Projection Bot, and the usual social media silliness
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-newsletter?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Scary Awesome AI, Sports announcers, Venkat comes to class, Conway's Game of Life, Thinking modes, and the usual social media nonsense […]

Tales from the jar side: Junie Joy, Nano Banana, LM Studio, and the usual social media posts, by https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-junie-joy?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: AI Codecon, Agents and MCP servers, My new semester, and the usual social media silliness
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-ai-codecon-d59?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: AI Codecon, CLI Agents, Yard Goats, and the usual social media silliness
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-ai-codecon?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

I'll be speaking at the O'Reilly AI Codecon: Coding for the Agentic World on September 9 at 11:00 AM ET. Join us for an intensive exploration of the tools, workflows, and architectures defining this next era of programming. Sign up now to save your spot—for free! https://bit.ly/4mjJVTE

Tales from the jar side: Groovy 5, Claude Code issues, NFJS, and the usual silly social media posts https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-groovy-5?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Claude Code status line, Spring redirects (or not), OCP employees, and the usual social media silliness https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-claude-code-181?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

This week’s Tales from the jar side includes info about GPT-5 programmatic access, the new gpt-oss models, more Suno AI generated theme songs for my channel, and the usual social media silliness […]

Tales from the jar side: More theme song variants, Veo 3 Fast videos, Gradle 9, my WNBA team is leaving, and the usual social media silliness
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-more-theme?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: My visit to the Star Trek museum, UberConf coming, New Tftjs theme song, An AI opera, and the usual social media nonsense https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-my-visit?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Junie live stream, MCP video and blog post, MCPs with Claude Code, and the usual silly skeets
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-junie-live?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Unlocking AI: How MCP Transforms Developer Workflows Discover how the Model Context Protocol (MCP) transforms complex AI tool interactions into simple conversations for developers.

I finally understand what MCP is for:a blog post based on my recent YouTube video, with updates and more info

https://kousenit.org/2025/06/22/i-finally-understand-what-mcp-is-for/

Tales from the jar side: From Google to Slidev, the Psychologically Disturbed Song Cycle, more Junie vs Claude Code, and the usual toots and skeets https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-from-google?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Junie vs Claude Code, I finally get what MCP is for, I contribute to LangChain4j, and the usual toots and skeets
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-junie-vs?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: "Star Trek: The MCP Server", two new blog posts, a new video, a Junie live stream, and the usual toots and skeets https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-star-trek?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Sure, I’ll sign your ebook

Between 2013 and 2023, I wrote a series of books for Manning, O'Reilly, and the Pragmatic Bookshelf: My six books Every once in a while, someone would come up to me at a conference with a copy of one and ask me to sign it. I'd make some gag about that ruining the […]

Three ways to wait for Spring AI streaming responses in JUnit tests Learn how to integrate AI tools in Java with Spring AI 1.0.0 using test cases and asynchronous queries. Get started with practical examples!

Three ways to wait for a streaming response from Spring AI to return before exiting a JUnit test

https://kousenit.org/2025/05/27/waiting-for-spring-ai-streaming-responses-in-junit-tests/

Tales from the jar side: Pachelbel's one-hit wonder, Testing AI's, Java turns 30, and the usual toots and skeets How do you row a canoe full of puppies? With a doggy paddle, of course. (rimshot)

Tales from the jar side: Pachelbel's one-hit wonder, Testing AI's with AI's, Java turns 30, and the usual toots and skeets
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-pachelbels?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Spring AI and Redis, A vibe coded lyrics trainer, Agent Underlord, and the usual toots and skeets Found an old jukebox in prison, but it was filled with criminal records. (rimshot)

Tales from the jar side: Spring AI and Redis, A vibe coded lyrics trainer, Agent Underlord, and the usual toots and skeets, by @kenkousen https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-spring-ai-4b4?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Spring AI training, Claude App and Claude Code, the Hagler-Leonard fight, and the usual silly skeets
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-spring-ai-e14?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: End of semester, Splitting PDFs, Spring AI versions, Kotlin notebooks, some personal stuff, and the usual toots and skeets Sugar is the only word in the English language where "su" sounds like "sh". I'm pretty sure that's correct. (rimshot)

Tales from the jar side: End of semester, Splitting PDFs, Spring AI versions, Kotlin notebooks, some personal stuff, and the usual toots and skeets
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-end-of-semester?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Signing an ebook, AI agents, GPT-4.1 token limits, and the usual toots and skeets You know what you call a series of bunnies hopping backwards? A receding hareline (rimshot)

Tales from the jar side: Signing an ebook, AI agents, GPT-4.1 token limits, and the usual toots and skeets
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-signing-an?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Persistent chat memory, n8n and similar a11s, Assorted medical stuff, and the usual toots and skeets 99.9% of people are dumb. Fortunately, I'm part of the remaining 1%.

Tales from the jar side: Persistent chat memory, n8n and other a10ns, assorted medical stuff, and the usual toots and skeets
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-persistent?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

Tales from the jar side: Metadata, Arc of AI, College basketball, Really final, April Fools, and the usual toots and skeets I replaced my rooster with a duck, and how I wake up at the quack of dawn. (rimshot)

Tales from the jar side: Going meta, the Arc of AI conference, college basketball, Really really final, April Fool's jokes, and the usual toots and skeets
https://open.substack.com/pub/kenkousen/p/tales-from-the-jar-side-metadata?r=2dwq5&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true