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Achievement: Starstruckx3Achievement: QuickdrawAchievement: Pair Extraordinairex3Achievement: Pull Sharkx2Achievement: YOLO

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hardness1020/README.md

Hi, I'm Marcus Chang 👋

Building AI agents and developer tooling · SF Bay Area

LinkedIn Email

🚀 My Top Projects

Agent Tutorial

Agent Engine

  • Leeway GitHub Stars: A workflow-driven AI agent framework that executes YAML-defined decision trees.

🌱 Open Source Contributions

  • CocoIndex GitHub Stars: 2 merged PRs · Runtime reliability, error handling, Python/Rust interop
  • learn-claude-code GitHub Stars: 5 merged PRs · Build a Claude Code–style agent harness from scratch

Pinned Loading

  1. learn-agent-architecture learn-agent-architecture Public

    Learn AI agents from scratch.

    Python 917 87

  2. learn-deepseek-harness learn-deepseek-harness Public

    Learn DeepSeek Harness from scratch.

    Python 35 6

  3. Leeway Leeway Public

    A workflow-driven AI agent framework that executes YAML-defined decision trees.

    Python 114 19

  4. EvalGrill EvalGrill Public

    Turn real AI agent failures into trustworthy, validated evals.

    Python 1