I build AI tools and experiments that make model behavior easier to inspect and understand.
我做 AI 工具与实验,关注模型如何做决策、提示词如何改进,以及调用工具前如何检查风险。
JevSpeak — a decision model that speaks
Can a model that cannot generate text still hold a conversation? JevSpeak turns probabilistic decisions into English or Chinese through a deterministic language compiler. You can inspect the decisions behind each reply.
Try the app · Explore the code
404.directory — risk checks before Agent actions
An experimental service that gives AI Agents an evidence-backed allow, review, or block decision before they use a third-party tool. Includes a prediction-market preflight workflow.
Connect an Agent · Read the setup guide
Prompt Lens — inspect a prompt before sending it
A browser-based, rule-based prompt debugger. It checks structure, flags potential risks, and adds missing sections without sending your draft to a server.
Try it in your browser · Explore the code
X / @LuigiProof · Open an issue on JevSpeak
Questions, reproducible bugs, and examples of where these tools fall short are welcome.

