I build tools for language learning and everyday development: subtitle apps, German study resources, and utilities for reliable AI-agent workflows.
English · 简体中文
| Project | What it does |
|---|---|
| yt-dual-subs | YouTube bilingual subtitles with word highlighting, hover lookup, sentence practice, and saved phrases for Chrome and Edge. |
| DeutschOverlay | A Windows caption overlay for German speech and English/Chinese-to-German translation. |
| qingjian-german | German dictionary definitions and CEFR labels for the qingjian app, with build and verification scripts. |
| deutsch-lernen | German study resources for Chinese speakers, from A1 to C1, including exams and preparation for Germany. |
| Project | What it does |
|---|---|
| agent-secret-guard | Checks AI-agent repositories, MCP configuration, and GitHub Actions for secret exposure and risky settings. |
| agent-reliability-kit | Reviews README quality, CI evidence, security, and release readiness in one report. |
| mcp-config-doctor | Diagnoses MCP configuration paths, transports, commands, and environment assumptions locally. |
Small tools, clear documentation, and checks that show what actually works. Public examples exclude credentials and private data.
Stack: JavaScript / TypeScript · Python · Node.js · Java / Spring Boot · PowerShell

