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macayu17/README.md

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Open Source Activity

I am building my open-source track across developer tooling, AI infrastructure, data systems, documentation, and creative coding projects.

AreaRepositories and contribution targets
Developer toolingVitest, pyenv, OpenTelemetry JS
AI and agentsPydantic AI
Web and frameworksWordPress, Svelte
Data and infrastructureCDLI on GitLab, NASA F Prime GDS, OpenTelemetry

Current snapshot

  • 76 public open-source contributions across GitHub and GitLab (64 GitHub PRs and 12 GitLab MRs), with 39 merged.
  • Contributed 12 merge requests to CDLI on GitLab, with 9 merged, improving repository tooling and data-processing workflows.
  • Opening PRs across OpenTelemetry JS, Vitest, Svelte, WordPress, Pydantic AI, pyenv, NASA F Prime GDS, and other tooling repos.

Featured Projects

ProjectFocusStack
EngramSelf-hostable AI memory layer that retrieves, injects, extracts, and syncs durable user context across LLM clients. Live demoFastAPI, pgvector, MCP, Next.js, TypeScript
SENTINELMulti-agent market microstructure simulator for liquidity-crisis prediction, large-order detection, and live order-book analytics. Live demoPython, FastAPI, Next.js, WebSockets, XGBoost, scikit-learn
EquityFlowReal-time paper-trading simulator for stocks, F&O, and commodities with broker data, portfolio tracking, and trading-desk controls. Live demoNext.js, React, TypeScript, FastAPI, Python, broker APIs
Parkinson's Disease ScreeningTransformer-based clinical classification pipeline trained on 42k+ patient records with a Flask inference API.PyTorch, Transformers, LightGBM, Flask, CUDA
OccasioEvent-management and booking platform with publishing, payments, QR tickets, check-in, analytics, teams, and certificates. Live demoReact, Vite, Node.js, Express, Prisma, PostgreSQL, Redis

Tech Stack

PythonTypeScriptJavaScriptC++JavaCFastAPINode.jsExpressREST APIsWebSocketsNext.jsReactTailwind CSSPyTorchTransformersscikit-learnLangChainOpenAI APINumPyPandasPostgreSQLMongoDBAWSAzureDocker


Currently Exploring

  • AI memory systems, LLM tool calling, MCP clients, and RAG pipelines.
  • Real-time trading systems, market microstructure, and low-latency dashboards.
  • Distributed systems, event-driven architecture, queues, and production-style observability.
  • Open-source CLI tooling, developer experience, and infrastructure workflows.

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  1. EngramEngramPublic

    Engram is a self-hostable AI memory layer. It sits between an application and an LLM provider, retrieves relevant user memories from pgvector, injects them into chat prompts, forwards the request, …

    Python 3

  2. SENTINELSENTINELPublic

    Sentinel is a real-time market microstructure simulator built to study liquidity shocks, large hidden orders, and institutional activity through a multi-agent trading environment.

    Python 3

  3. CutsceneCutscenePublic

    A local-first screen recorder that captures UI structure, adds smooth automatic zooms, and turns browser workflows into editable demos, videos, docs, and tests.

    TypeScript

  4. EquityflowEquityflowPublic

    EquityFlow is a real-time paper trading platform for stocks, derivatives, and commodities, designed around live market data, portfolio accounting, and execution flows that mirror trading behavior w…

    TypeScript

  5. PRISMPRISMPublic

    This project focuses on text-based Parkinson's disease screening using transformer models and ensemble learning on roughly 42,000 patient records, packaged as a clinical assessment portal.

    Python

  6. OccasioOccasioPublic

    Full-stack event management and booking platform with public registration, payments, QR tickets, team check-in, analytics, and certificate generation.

    JavaScript