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jlowin

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  1. Show HN: Prefab – A generative UI framework for Python (prefab.prefect.io)

    Hi HN, I'm the author of FastMCP, the most popular Python framework for building MCP servers. I've been really excited about MCP Apps for a while. I think letting a server ship a fully interactive UI directly into the…

    5 points 1
  2. FastMCP 3.0 Is GA (jlowin.dev)
    5 points 0
  3. Show HN: Colin, a context engine for keeping agent skills fresh (github.com)

    Hi HN — I'm the creator of FastMCP and wanted to share a new project we've open-sourced called Colin. I obviously love MCP, but I also use skills extremely heavily in my day-to-day work. Being exposed to both has made…

    7 points 0
  4. FastMCP 3.0 (jlowin.dev)
    14 points 0
  5. Decomposed Durability for Data Workflows (prefect.io)
    3 points 0
  6. An open-source maintainer's guide to saying “no” (jlowin.dev)
    195 points 23
  7. Accelerating AI with FastMCP Cloud (prefect.io)
    15 points 1
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  9. 1 points 0
  10. Stop Vibe Testing Your MCP Server (jlowin.dev)
    2 points 0
  11. Show HN: FastMCP 2.0 – fast, Pythonic MCP servers and clients (github.com)

    Hi HN -- Today I'm announcing FastMCP 2.0! A few months ago, I created the first version of FastMCP to build MCP servers in Python with minimal boilerplate. It was so successful that 1.0 was merged into the official MCP…

    1 points 2
  12. Show HN: FastMCP – A Pythonic way to build Model Context Protocol servers (github.com)

    Hi HN -- Since Anthropic announced the Model Context Protocol (MCP) last week [1], I've been excited about giving Claude new capabilities through my custom servers. But while MCP is powerful, implementing the protocol…

    6 points 3
  13. An intuitive guide to how LLMs work (jlowin.dev)
    3 points 0
  14. Total Recall: ControlFlow v0.10 – Simple, persistent memory for AI agents (jlowin.dev)
    2 points 0
  15. Show HN: ControlFlow – open-source AI workflows (github.com)

    Hi HN! I’m excited to share ControlFlow, our new open-source framework for building agentic workflows. ControlFlow is built around a core opinion that LLMs perform really well on small, well-defined tasks and run off…

    42 points 5
  16. Show HN: Marvin 2.0 – a lightweight, multi-modal AI toolkit (factsmachine.ai)

    Hey HN! We just released Marvin 2.0. Marvin is an AI toolkit for developers who want to use LLMs with traditional software. We still see significant challenges integrating LLMs because of how difficult it is to get them…

    20 points 2
  17. Show HN: Embedding hidden text in AI images with ControlNet and Modal (factsmachine.ai)

    A few weeks ago, a technique was shared for hiding text in the negative space of an AI-generated image and I thought it was an amazing illusion. However, the only tutorial I could find was light on details and UI-based…

    11 points 4
  18. Marvin 1.1: Anthropic, Azure, native mapping, and instructions (factsmachine.ai)
    2 points 0
  19. Marvin's Turning 1.0 (factsmachine.ai)
    12 points 0
  20. Anthropic's 100k context is now available in the web UI (twitter.com)
    253 points 187
  21. Parse natural language into Pydantic models with Marvin (twitter.com)
    4 points 0
  22. Show HN: A ChatGPT TUI with custom bots (askmarvin.ai)

    Hi HN! We just shipped a full-featured TUI (Text User Interface) for chatting with your Marvin bots, powered by GPT 4 or GPT-3.5. Like all of Marvin, it's fully open-source and we hope you find it useful. To launch it,…

    126 points 52
  23. Show HN: Marvin – build AI functions that use an LLM as a runtime (github.com)

    Hey HN! We're excited to share our new open-source project, Marvin. Marvin is a high-level library for building AI-powered software. We developed it to address the challenges of integrating LLMs into more traditional…

    127 points 44