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Achievement: Pull Sharkx3Achievement: YOLOAchievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx3Achievement: YOLOAchievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

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jasonm4130/README.md

Jason Matthew

I build production AI systems and open-source the tooling around them.

Principal Engineer at Squiz · Brisbane

At Squiz I built the AI infrastructure from zero: production RAG on AWS and Cloudflare, ingestion across 1M+ pages, and an S3 Vectors integration AWS featured at re:Invent 2025. Below are the systems and tools I build and ship in the open.

Currently building

  • games-games-games → games.jasonmatthew.dev: a RAG rules lawyer for tabletop games. Hybrid retrieval (BM25 + reciprocal rank fusion), cross-encoder reranking, cited answers, and an eval harness that gates every retrieval change.
  • formrecap-lora-classifier → lab.formrecap.com: 7 LoRA adapters across 4 model families, benchmarked head to head. Best F1 = 0.961 (Mistral 7B). Dual-deployed: Modal vLLM (calibrated) + Cloudflare Workers AI (edge).
  • claude-skills: my Claude Code plugin marketplace. 9 plugins for orchestration guards, tiered deep research, subagent-driven development, ADRs, session retros, handoffs, and cross-provider adversarial review.
  • skopia → skopia.dev: privacy-first web analytics you self-host on Cloudflare's free tier. No cookies (visitor identity is a daily-rotating HMAC), exact rollups from a Durable Object, 554-byte tracker. AGPL.
  • formrecap → formrecap.com: form abandonment recovery SaaS. ~3KB snippet, 100% Cloudflare-native (D1, KV, Workers, Queues, Durable Objects). Per-customer AES-GCM encryption. 225 automated tests.
  • pipespy: real-time pipeline debugger for the terminal. pv shows bytes, pipespy shows your data. Distributed via homebrew tap.

Where I write

Pinned Loading

  1. games-games-games games-games-games Public

    Cloudflare-native RAG over tabletop-game rulebooks: upload a rulebook → it's chunked, embedded into Vectorize, and the agent answers rules questions grounded in it with page-level citations.

    TypeScript

  2. formrecap-lora-classifier formrecap-lora-classifier Public

    LoRA fine-tune of Llama 3.2 3B for form abandonment classification

    Python

  3. claude-skills claude-skills Public

    Personal Claude Code plugin marketplace: 9 plugins for orchestration guards (workflow-model-guard), tiered deep research (deep-dive), subagent-driven development, ADRs, session retros, handoffs, an…

    JavaScript 2

  4. pipespy pipespy Public

    Real-time pipeline debugger for your terminal. pv shows bytes — pipespy shows your data.

    Rust

  5. larry larry Public

    Cursed AI character in a Halloween skull on a Raspberry Pi 5. Voice in, voice out, motorized jaw.

    Python

  6. skopia skopia Public

    Privacy-first, Cloudflare-native web analytics you self-host on your own Cloudflare account. No cookies, exact rollups from a Durable Object, 554-byte tracker. AGPL-3.0.

    TypeScript