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Build ChatGPT App | OpenAI Developers

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OpenAI Developers
Build ChatGPT App

Skill

Build ChatGPT App

From OpenAI Developers

Use when the user explicitly wants a ChatGPT App, Apps SDK project, MCP server plus widget UI, ChatGPT-compatible tool UI, or submission/deployment work for that surface. Build, scaffold, refactor, or troubleshoot those projects from Claude Code, consult openai-docs before generating code, and use openai-platform-api-key before any app path that requires live OpenAI API credentials.

Popularity

Parent forks

1

Invocation

How this skill is triggered — by the user, by Claude, or both

Slash command

/openai-developers:build-chatgpt-app

User invocable

Model invocable

Inline context

Default effort

Context Preview

The summary Claude sees in its skill listing — used to decide when to auto-load this skill

Use this skill for Apps SDK projects that combine an MCP server with a ChatGPT-facing tool or widget experience.

SKILL.md

37 lines · ~429 tokens

Stats

LanguageJavaScript

Parent stars0

Parent forks1

MaintenanceGood

Last CommitJun 23, 2026

Actions

View Source View Plugin View on GitHub View README

Stats

LanguageJavaScript

Parent stars0

Parent forks1

MaintenanceGood

Last CommitJun 23, 2026

Actions

View Source View Plugin View on GitHub View README

Build ChatGPT App

Use this skill for Apps SDK projects that combine an MCP server with a ChatGPT-facing tool or widget experience.

Before You Build

Use openai-docs first for current Apps SDK guidance.
If the requested app or verification flow calls the OpenAI API, use openai-platform-api-key before API-backed implementation, execution, or smoke tests.
Inspect the target repo before choosing architecture.

Workflow

Classify the app:
- tool-only
- widget-backed
- submission-ready
Plan the tool surface before code:
- tool names
- input schemas
- read/write behavior
- annotations and expected outputs
Choose the smallest repo shape that fits the request.
Register the MCP server surface and widget resources deliberately.
Keep structured data, UI metadata, and side effects clear and reviewable.
Add local run instructions and basic verification steps when implementation is requested.

Rules

Prefer current OpenAI Apps SDK docs over stale examples.
Keep tool annotations and widget metadata aligned with actual behavior.
Treat CSP, domains, and submission-readiness as explicit design inputs when the app is meant for review or launch.
Use chatgpt-app-submission when the user needs submission-specific review preparation.

$

npx claudepluginhub openai/openai-developers-for-claude --plugin openai-developers

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