Codex Sites Convex

Build, extend, validate, and publish a ChatGPT Sites application whose durable database and backend functions run on Convex. Use when a user invokes $codex-sites-convex, selects this skill from the skill picker, asks for a ChatGPT Site backed by Convex, or asks to add Convex data, realtime queries, mutations, authentication, files, schedules, or actions to an existing ChatGPT Sites project.

12 stars 2 forksSoftware Development

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add convex/Codex-Sites-Convex-Backend-Skill --skill codex-sites-convex

Manual install

git clone --depth 1 https://github.com/convex/Codex-Sites-Convex-Backend-Skill.git /tmp/Codex-Sites-Convex-Backend-Skill
mkdir -p ~/.claude/skills
cp -r /tmp/Codex-Sites-Convex-Backend-Skill/. ~/.claude/skills/codex-sites-convex

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# ChatGPT Sites + Convex

Build the complete application, validate both halves, and publish it unless the user explicitly requests local-only work.

## Choose the workflow

- **Default: durable shared Site.** When the user asks to publish, deploy, share, ship, or provide a URL without explicitly requesting a temporary preview, use Convex Cloud production and complete the Sites lifecycle through a confirmed live `.chatgpt.site` URL.
- **Existing Site update.** When the user asks to update, republish, or publish the latest version, preserve the existing Sites `project_id`, current access policy, and canonical `current_live_url`. Reuse the confirmed production Convex URL. Deploy Convex again only when backend code, schema, components, schedules, actions, or backend environment requirements changed; obtain fresh production consent immediately before that deployment. Always rebuild, scan, save, deploy, poll, call `get_site`, and run live QA for the new Sites version.
- **Local-only development.** Use accountless Agent Mode only when the user explicitly wants localhost development without publishing. It creates no shareable URL.
- **Temporary preview.** Use an isolated, expiring Convex Cloud dev deployment only when the user explicitly requests a temporary preview. Label it non-production and report its expiration.

Read the full skill on GitHub

Details

Skill name: codex-sites-convex
Repository: convex/Codex-Sites-Convex-Backend-Skill
Repo updated: 29 October 2026

FAQ

What does the Codex Sites Convex skill do?

How do I install the Codex Sites Convex skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add convex/Codex-Sites-Convex-Backend-Skill --skill codex-sites-convex. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Codex Sites Convex popular?

It lives in convex/Codex-Sites-Convex-Backend-Skill, which has 12 GitHub stars and 2 forks.

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