Build Chatgpt App
Build, scaffold, refactor, and troubleshoot ChatGPT Apps SDK applications that combine an MCP server and widget UI. Use when Codex needs to design tools, register UI resources, wire the MCP Apps bridge or ChatGPT compatibility APIs, apply Apps SDK metadata or CSP or domain settings, or produce a docs-aligned project...
Overview
Build Chatgpt App is a SKILL.md workflow from openai/plugins. It is categorized under coding and links back to its reviewed source so users can inspect the complete instructions and bundled resources before installation.
Use Cases
Install Notes
# Review source first
open https://github.com/openai/plugins/blob/main/plugins/openai-developers/skills/build-chatgpt-app/SKILL.mdCopy the reviewed skill folder into the skills directory used by your compatible agent.
Security Notes
AIToolly validated the published source structure and license automatically. Review openai/plugins and any bundled scripts again before granting workspace, command, or network access.
Related Skills
Claude API
anthropics/skills
Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER — read BEFORE opening the target file; don't skip because it "looks like a one-liner" — whenever: the prompt names Claude/Anthropic in any form (Claude, Anthr...
MCP Builder
anthropics/skills
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
Skill Creator
anthropics/skills
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
Debugging And Error Recovery
addyosmani/agent-skills
Guides systematic root-cause debugging. Use when tests fail, builds break, behavior doesn't match expectations, or you encounter any unexpected error. Use when you need a systematic approach to finding and fixing the root cause rather than guessing.
Source Driven Development
addyosmani/agent-skills
Grounds every implementation decision in official documentation. Use when you want authoritative, source-cited code free from outdated patterns. Use when building with any framework or library where correctness matters.
Using Agent Skills
addyosmani/agent-skills
Discovers and invokes agent skills. Use when starting a session or when you need to discover which skill applies to the current task. This is the meta-skill that governs how all other skills are discovered and invoked.