Shengxing Zhang

Projects

Published projects

Two public projects. Source code and downloads are on each project's page.

AI security

AgentGuard

A least-privilege proxy between an AI agent and its MCP servers: it denies calls by policy, blocks tool output judged to be prompt injection, masks secrets of known formats, and writes every decision to a hash-chained audit log.

Python · MCP · MIT · PyPI: agentguard-mcp

Android

The Three Column Method

A CBT thought-record notebook for Android, for practicing David D. Burns' three-column technique. Fully offline, with an English and Chinese interface.