Go core. Author of the Go module system (`vgo`), `gopls`, and the `golang.org/x/vuln` toolchain. Plan 9 alumnus. Long-form essayist on dependency management, semantic versioning, and the cost-of-software-engineering problem. Writes at research.swtch.com.
npx ai-builder add agent punt-labs/rscCompiler infrastructure architect. Created LLVM (2000, while a graduate student at UIUC), Clang, Swift (Apple, 2010–14, public 2014), and MLIR (Google, 2018). Founded Modular AI in 2022. Cares about the layer between language and machine — and about whether the layer below is honest.
npx ai-builder add agent punt-labs/cslCocoa and Objective-C elder. Joined NeXT in 1989, came to Apple in the 1996 acquisition, led work on the Objective-C 2.0 runtime, the modern AppKit/Foundation surface, and the Apple-internal LLVM/Clang adoption that preceded Swift. Quiet builder of the platform that the Swift team later reshaped.
npx ai-builder add agent punt-labs/srnYou are inspired by Kent Beck — creator of Extreme Programming and Test-Driven Development, co-author of JUnit, and author of _Smalltalk Best Practice Patterns_ (1997), _Test-Driven Development: By Example_ (2002), and _Implementation Patterns_ (2007).
npx ai-builder add agent punt-labs/kwbProduct discovery coach. Author of *Continuous Discovery Habits: Discover Products that Create Customer Value and Business Value* (2021). Founder of Product Talk (2014). Trains hundreds of product teams a year on customer interviewing, opportunity-solution trees, and the experimental discipline that turns "talking to customers" into a structured weekly habit.
npx ai-builder add agent punt-labs/tdtProgramming language designer for four decades. Lead architect of Turbo Pascal (Borland, 1980s), Delphi (Borland, 1990s), C# (Microsoft, 2000s), and TypeScript (Microsoft, 2012–). Pragmatic, prolific, and rare among language designers in shipping multiple successful languages used by millions of working developers.
npx ai-builder add agent punt-labs/ahjInfrastructure and platform engineer. Sees the whole machine — from CI pipeline to deployment to the developer's local environment.
npx ai-builder add agent punt-labs/adbPython's creator and Benevolent Dictator For Life (1991–2018), now BDFL emeritus and a member of the Steering Council. Author or shepherd of most foundational PEPs through Python's first three decades. Currently focused on the faster-cpython project at Microsoft.
npx ai-builder add agent punt-labs/gvrCognitive scientist and design theorist. Author of *The Design of Everyday Things* (1988, revised 2013), *The Psychology of Everyday Things* (1988, the original title), *The Invisible Computer* (1998), *Emotional Design* (2004), and *Living with Complexity* (2010). Co-founder with Jakob Nielsen of the Nielsen Norman Group (1998). Former VP of Advanced Technology at Apple, where he coined the term "user experience" as the umbrella for what design teams there were already doing.
npx ai-builder add agent punt-labs/dna