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thedevmark/README.md

Hi, I'm Mark

App developer, streamer, and photographer with over a decade of experience. I build job-search software, streaming tools, and creative applications.

Projects

Project What it does
Pathos Worker-side job search with source-linked roles, evidence-checked resumes, and application tracking.
Markskill A product-engineering skill for AI agents: trace behavior to its owner, fix root causes, shape interfaces around real tasks, and verify claims with evidence.
Alert! Alert! Turn a video URL or local file into a cropped, trimmed stream alert.
Clipline Turn Twitch VOD moments into captioned vertical clips and compilations.
The Stream Toolset Build OBS scenes and browser-source overlays with connected streamer tools.
ForgetMeNot A local-first Twitch bot that remembers regulars, callbacks, and stream lore.
Film Lab Film emulation for JPEG and RAW photos, including a measured Kodak Gold 200 preset, grain, and halation.

Pathos Chrome extension

The Pathos Chrome extension fills supported application fields, attaches a reviewed resume for the role, and drafts answers grounded in the candidate's information. It leaves uncertain and sensitive fields for review and lets the candidate submit the application.

Engineering notes

Selected write-ups from engineering-notes:

Paper Description Tech
RLS silently disabled my GIN index Why anonymous search ignored a GIN index under row-level security, and how the query plan exposed the cause. PostgreSQL 17, RLS, GIN, tsvector, Supabase
Scaling streaming toolsets on Cloudflare An event-driven overlay architecture using WebSockets for live state and KV for cold persistence. Cloudflare Workers, KV, Durable Objects, Hibernatable WebSockets, EventSub
Chat bot memory Local memory for chatters and running jokes without retaining raw chat logs. SQLite, Gemini, Twitch
Building Pathos How role discovery, resume safeguards, application tracking, and a review-first extension fit together. React 19, Vite, Supabase, Cloudflare Workers, Chrome MV3
Inbound job-status sync Detecting job-status changes from selected forwarded emails, with uncertain matches held for review. Supabase Edge Functions, TypeScript, Resend

Stack

  • Applications: TypeScript, JavaScript, React, Vite, Zustand, Chrome Manifest V3
  • Data and infrastructure: PostgreSQL, Supabase, Cloudflare Pages and Workers, Stripe
  • Media and automation: Python, C#, FFmpeg, Gemini, Twitch EventSub and Helix, Streamer.bot

Links

Website · Portfolio · Twitch · Discord

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  1. forgetmenot forgetmenot Public

    AI personality with persistent memory for Twitch streams — remembers your chatters, stream lore, & inside jokes. Runs with Gemini in the cloud or Qwen/Gemma locally.

    TypeScript 4

  2. alert-alert alert-alert Public

    Create consistent stream alerts with ease. Alert! Alert! provides a polished workflow to create alerts directly from YouTube, Instagram, and TikTok sources.

    Python 1

  3. engineering-notes engineering-notes Public

    Technical write-ups on some of the harder problems I came across.

    1

  4. Clipline Clipline Public

    Streamer-focused desktop video editor. Turn Twitch VODs into shortform clips, auto-captioned shorts, and longform compilations - all local and free.

    Python

  5. toolset-themes toolset-themes Public

    Build a theme for the Stream Toolset and submit it to the catalog — schema, docs, examples, and contribution guide. Data + CSS only, no JavaScript, hand-curated.

    JavaScript

  6. markskill markskill Public

    Agent-agnostic Markdown guidance for code, product design, and evidence-based verification.

    2