AppGu — AI Agent Builder

Problem: many Thai businesses want an AI assistant on LINE or their website but can't afford a dedicated engineering team to build and maintain one.

Role: sole developer, responsible for architecture, backend, frontend, and deployment.

Key features: no-code agent configuration UI, LLM orchestration on top of Claude API, LINE Bot integration, multi-tenant workspaces so each customer manages their own apps, and a credit-based usage system for billing.

Architecture: FastAPI backend handling agent orchestration and multi-tenant data isolation, with a credit/quota system gating LLM usage per workspace.

Result: live production platform where customers actively create and run multiple AI agents (LINE bots, dashboards, etc.) from a single account.