Keys' Project Gallery

A curated showcase of personal engineering projects spanning AI systems, backend services, and desktop applications.

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Featured App

Bella Assist — Personal AI Assistant

A privacy-first desktop application combining a personal AI assistant with multi-period expense and budget tracking. Built on LangGraph, FastAPI, React, Electron, and the Model Context Protocol.

ElectronLangGraphFastAPIReact

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Agent

Bella Chat

LangGraph orchestration engine with RAG, MCP tool use, SSE streaming, and Arize Phoenix observability.

LangGraphRAGQdrant

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Backend

Expense Manager

Clean Architecture FastAPI service for multi-period budgeting, savings envelopes, and account tracking.

FastAPIPostgreSQLSQLAlchemy

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MCP

EMS MCP Server

FastMCP server exposing EMS financial data as LLM-callable tools over streamable HTTP.

FastMCPLLM ToolsHTTP

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Data

ETL Pipelines

GitHub-sourced knowledge ingestion pipeline that loads wiki docs into Qdrant for semantic search.

QdrantEmbeddingsIngestion

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