Peter Steinberger — 209 Open-Source AI Agent Skills

Peter Steinberger is the author of 209 open-source AI agent skills and MCP servers spanning codex-skill, uncategorized, agent-tool, mcp-server, with a combined 95,652+ GitHub stars. On AgentSkillsHub each is quality-scored (avg 50/100) and security-graded — 115 verified safe. Peter Steinberger is a Verified Creator on AgentSkillsHub.

PSPDFKit founder, AI tools builder. Creator of CodexBar, mcporter, oracle, claude-code-mcp and more.

Top skills by Peter Steinberger

• CodexBar — Show usage stats for OpenAI Codex and Claude Code, without having to login. (19.8k★ · quality 72/100 · security: safe)
• Aspects — Delightful, simple library for aspect oriented programming in Objective-C and Swift. (8.4k★ · quality 62/100 · security: safe)
• gogcli — Google Suite CLI: Gmail, GCal, GDrive, GContacts. (7.2k★ · quality 71/100 · security: safe)
• summarize — Point at any URL/YouTube/Podcast or file. Get the gist. CLI and Chrome Extension. (6.5k★ · quality 66/100 · security: caution)
• agent-scripts — Scripts for agents, shared between my repositories. (6.5k★ · quality 59/100 · security: safe)
• agent-rules — Rules and Knowledge to work better with agents such as Claude Code or Cursor (5.7k★ · quality 48/100 · security: safe)
• mcporter — Call MCPs via TypeScript, masquerading as simple TypeScript API. Or package them as cli. (4.3k★ · quality 70/100 · security: safe)
• oracle — Ask the oracle when you're stuck. Invoke GPT-5 Pro with a custom context and files. (3.5k★ · quality 65/100 · security: safe)

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