Tianrun Yang contributed to openclaw/openclaw and moltbot/moltbot by delivering targeted features and resolving critical bugs to enhance reliability, security, and developer experience. He expanded model catalog options, improved onboarding automation, and strengthened integrations such as Feishu and Telegram. His work involved backend and full stack development using TypeScript and JavaScript, with a focus on robust error handling, input validation, and system configuration. Tianrun addressed issues like WebSocket payload limits, environment propagation for SQLite reliability, and onboarding token consistency in Docker setups. The depth of his contributions is reflected in comprehensive fixes that improved platform stability and automation compatibility.