Excitement around Python type checking continues to grow and the tools continue to evolve. We chat with Aaron Pollack and Steven Troxler about ⁠Pyrefly - a Rust-based Python type checker and IDE extension. We also touch on the adoption and sentiment around types in Python's ecosystem.Resources:

• Pyrefly Discord
• Package Type Coverage Report
• Packages being tracked for moving types from typeshed to the source project
• Typing Survey Slides
• Blog post with survey analysis
• Python typing community forum
• MCP Pyrefly

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Carl Meyer works on the ty Python type checker, built in Rust by Astral the creators of Ruff and uv. We chat about type systems, the evolution of static typing in Python, and the focus on performance.

Resources:

Richard Feldman: Roc compiler moving from Rust to Zig

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We chat with Jennifer Reif about integrating LLMs with data using RAG, vectorized data, and Graph databases.

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Rod Johnson, creator of the Spring Framework, has created a JVM-based AI Agent framework called Embabel. We dive in and learn how enterprises can build more reliable Agents using deterministic planning and domain-driven orchestration.

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We chat with Steve Manuel (of dylibso.com and mcp.run) about LLM "plugins" with Wasm & MCP (Model Context Protocol).

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Justin Reock has spent a lot of his career thinking about how to help developers be more productive. In this episode we learn about the methodologies that can help developers spend more time in "flow state" - happily coding the fun stuff. Further reading: Measuring developer productivity with the DX Core 4

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Lize Raes teaches us about AI models, LLMs, Tools, Agents, and MCP.

Article from Anthropic on Agent architectures: Building effective agents

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Projects Mentioned:

• uv for Python
• TypeScript Effect
• Pkl CloudFormation Extras
• Pkl GitHub Actions

Other Episodes Mentioned:

• #81 TypeScript & Effects with Michael Arnaldi
• #97 The Pkl Configuration Language with Philip Hölzenspies