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3.8k followers · 61 following

Achievements

Achievement: Galaxy BrainAchievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Starstruckx4Achievement: Pull Sharkx4

Achievements

Achievement: Galaxy BrainAchievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Starstruckx4Achievement: Pull Sharkx4

Organizations

@bitswift @ReactiveCocoa @Squirrel @antitypical @Mantle @Carthage @ArbiterLib @bankroll-py @antequant @modelcontextprotocol @fernforestgames

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jspahrsummers/README.md

About me

Hi, I'm Justin! đź‘‹

I'm currently doing independent game development as @fernforestgames.

Previously, I worked at Anthropic PBC, where I was involved in developing and launching the Model Context Protocol. Before that, I was at various other companies—notably Meta and GitHub—and did some independent consulting as well.

In a past life, I contributed significantly to some open source projects in the iOS and macOS ecosystem:

  • ReactiveCocoa: reactive programming in Swift and Objective-C
  • Mantle: a model framework for Cocoa
  • Squirrel: robust software update framework for Mac apps
  • Carthage: a decentralized dependency manager

I may not be able to respond to pings and reachouts—sorry in advance.

Pinned Loading

  1. modelcontextprotocol/modelcontextprotocol modelcontextprotocol/modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 7.6k 1.4k

  2. modelcontextprotocol/typescript-sdk modelcontextprotocol/typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 12k 1.7k

  3. modelcontextprotocol/python-sdk modelcontextprotocol/python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 22.3k 3.2k

  4. ReactiveCocoa/ReactiveCocoa ReactiveCocoa/ReactiveCocoa Public

    Cocoa framework and Obj-C dynamism bindings for ReactiveSwift.

    Swift 19.9k 3.4k

  5. Carthage/Carthage Carthage/Carthage Public

    A simple, decentralized dependency manager for Cocoa

    Swift 15.4k 1.5k

  6. enemy-of-the-state enemy-of-the-state Public archive

    My talk explaining what state is and why it's so harmful

    Swift 213 18