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  • Newport Beach California

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phagmaier/README.md

Parker Hagmaier

I build local-first software, and I learn systems by reimplementing them from scratch instead of reaching for the library.

MS in Computer Science. Based in Newport Beach, California.

Currently

Metatron — Local Agent Orchestrator A local GUI for coordinating native Codex, Claude Code, OpenCode, and Pi coding sessions: a Lead assigns bounded work, writers work in separate Git worktrees, and nothing integrates without human review and approval.

The three threads everything here falls into

Agent infrastructure — Custom tools for agentic development. An orchestrator and deterministic workflow:

  • Metatron — orchestrator for native agent harnesses (above)
  • workflowz — a deterministic workflow runner for coding agents; no supervisor LLM, the engine follows a workflow you author

From-scratch systems (mostly Zig) — LLMs, solvers, and artificial life, rebuilt until the internals make sense:

  • zlm — a small LLM from scratch: tensor library, autograd, BPE tokenizer, transformer, training loop. No ML frameworks
  • zolver — a GTO poker solver for heads-up post-flop Hold'em (CFR/DCFR, full game tree)
  • Pneuma — an artificial-life simulator inspired by Tierra, with an energy + escalating-challenge system to fight stagnation

Tools for writing:

  • Slugline — a fast, keyboard-driven screenplay editor for Linux. Plain Fountain in, submission-quality PDFs out. Shipped, with releases
  • Babel — another screenwriting app that is more portable

"Whereof one cannot speak, thereof one must be silent."

Pinned Loading

  1. Metatron Metatron Public

    Local Agent Orchestrator — a local-first GUI that coordinates native Codex, Claude Code, OpenCode, and Pi coding sessions, with worktree-isolated writers, persistent task state, and human-approved …

    TypeScript

  2. slugline slugline Public

    A fast, clean, and simple screenwriting desktop app

    Rust 1

  3. zolver zolver Public

    A free, open-source GTO poker solver for heads-up post-flop Texas Hold'em, written in Zig — CFR/DCFR over the full game tree, no abstraction, runs on a laptop. 238 tests.

    Zig 1

  4. zlm zlm Public

    A small LLM built entirely from scratch in Zig — tensor library, autograd, BPE tokenizer, transformer, training loop. No ML frameworks; OpenBLAS only for matmul. 77 tests.

    Zig 1

  5. Babel Babel Public

    An offline desktop screenwriting app for Linux (Tauri / TypeScript / Rust, Fountain-based) — built by coding agents from a human spec, as a deliberate experiment in agent-built software.

    TypeScript 1

  6. workflowz workflowz Public

    A deterministic, local workflow runner for coding agents — user-authored graphs of agent and command steps, strict outcome reporting, and SQLite run state. No supervisor LLM; the engine follows you…

    TypeScript