tessl

Sandboxed multi-scanner security for AI skills, MCP servers, and package trees — coverage honesty, SIE judging, heatmap posture, guided triage and fix. Scan what agents install; fail closed.

Agents Skills

Portable Agent Skill package for creating and repairing Mermaid.js diagrams

Personal finance management web app

🎬 Spotify Wrapped-style dashboard for YouTube watch history. Built with React + Tessl spec-driven development for EF x Tessl x Anthropic Hackathon.

Java functional style guidance for AI coding agents

Hackathon project from Tessl x Anthropic's After-Work Hack - experimenting with spec-driven AI development to generate year-in-review dashboards using Claude Code.

Help AI coding agents use Java Optional well in new code, review, and cleanup without replacing one antipattern with another.

Help AI coding agents use Java Streams and Collectors well in new code, review, and cleanup without replacing one antipattern with another.