Seokhoon Joo

Read the Korea Exchange (KRX) Open API: indices, stocks, ETP, bonds, derivatives, commodities, ESG

Summarize YouTube videos with an LLM, one video or a daily digest.

Read prices, fundamentals, quotes, options, and news from Yahoo Finance.

Read supervisory statistics for Korean banks, insurers, securities and card firms from the Financial Supervisory Service's FISIS (금융통계정보시스템).

Read economic data from the Federal Reserve's FRED, ALFRED, and GeoFRED APIs: curated indicators, series, releases, categories, sources, tags, and maps.

Send mail through Gmail or Naver SMTP, with the provider's own rules checked before anything is sent.

Watch RSS feeds and listing pages, match topics you define, and send an LLM-summarized digest by email or chat.

Read Korean company filings, profiles, and financials from OpenDART (전자공시).

Send messages to Telegram, Slack, or Discord from Python.

Read Korean government open-data services from the data.go.kr portal

Read interest rates, exchange rates, prices, GDP, and other economic statistics from the Bank of Korea's ECOS (경제통계시스템).

Read Korea's national statistics — population, prices, employment, housing, and more — from Statistics Korea's KOSIS (국가통계포털).

Collect new posts from watched X (Twitter) accounts via the official API v2.

A tiny, unified client for four LLM providers: claude, openai, gemini, ollama.

Secure XDG-style application storage for Python: paths, credentials, permissions, and runtime files.

A tiny, zero-dependency TOML editor that changes a config file in place without disturbing its comments or layout.