# gnstudio — KC Yang

> KC Yang is an IT consultant who understands the business and builds the system himself (ERP: Dynamics NAV, Business Central, incadea DMS; AI: ERP-LLM integration), and the founder of gnstudio, a one-person company in South Korea.

## About

- Site: https://www.gnstudioo.com
- LinkedIn: https://www.linkedin.com/in/kc-yang-87736929/
- GitHub: https://github.com/kcyang
- Email: kcyang@gnstudioo.com
- Services: https://www.gnstudioo.com/#features
- Places: https://www.gnstudioo.com/profile#places
- Case studies: https://www.gnstudioo.com/#work
- Career: https://www.gnstudioo.com/profile#career
- Contact: https://www.gnstudioo.com/profile#contact

## Full profile

Canonical full profile: https://www.gnstudioo.com/llms-full.txt (plain text, may be cited with that URL).

## Ask API

POST https://www.gnstudioo.com/api/ask

This endpoint answers only questions about KC Yang and gnstudio; it is rate-limited.

Example:

curl -X POST https://www.gnstudioo.com/api/ask \
  -H "Content-Type: application/json" \
  -d '{"messages":[{"role":"user","content":"What does KC Yang do?"}]}'

Request:

{ "messages": [ { "role": "user" | "assistant", "content": "string" } ] }

Response (200):

{ "status": "answerable" | "unsupported" | "off_topic" | "error", "answer": "string", "lang": "ko" | "en" | "ja" }

Limits: at most 7 messages, at most 1000 characters per message, 16KB request body. The last message must have role "user". Invalid requests return 400 or 413 with { "error": "string" }. CORS is open (*).

Status values:
- answerable: a generated answer based on the profile.
- unsupported: the profile does not cover it; email kcyang@gnstudioo.com instead.
- off_topic: outside the scope of KC Yang and gnstudio.
- error: temporary failure; retry later.