AI Berkshire packages value-investing research into 20 callable Skills for company research, earnings review, industry screening, portfolio review, and data validation, with separate install paths for Claude Code and Codex.
Skills
Reusable professional capabilities and workflows for AI agents
A professional collection of Skills and plugins for security research, code auditing, and vulnerability analysis.
A Tencent Zhuque Lab Skill that statically reads Skill definitions, scripts, manifests, and configuration to identify permission abuse, privacy access, dangerous operations, hardcoded credentials, and prompt override behavior without executing the scanned code.
A Tencent Zhuque Lab Skill for authorized assessment of AI agents, MCP servers, Skills, code, and AI infrastructure, with threat modeling, harmless proof, and evidence-backed reporting.
An open-source product management skill library from Product on Purpose, using 68 composable skills, 12 workflows, and six sub-agent definitions to structure outputs from research and problem framing through PRDs, measurement, and retrospectives, with installation paths for Claude Code and other agents.
MapStage is an open-source Skill for coding agents with a browser-based tuner for map and globe projections, satellite imagery, hypsometric relief, hillshade, 3D terrain, region isolation, and JSON preset export.
DA Motion Sticker Skill turns one character reference and nine reactions into nine separate transparent animated GIFs, with 36 styles, Codex key-pose and external AI-video routes, local keying, validation, and ZIP packaging.





