Form Backend is the fastest way to give your Codex sites a working form backend. It stores submissions, sends emails, handles file uploads and conditional logic, and connects to your favorite integrations.
Paste into your agent chat to use it
Read https://www.jotform.com/agents/llms.txt and connect this project’s forms to Jotform Form Backend. Save submissions, email me new responses, and send visitors a confirmation.
Open Form Backend in the ChatGPT plugin directory and install it, then ask Codex to connect your forms.
Why your Codex agent needsa form backend
Submission storage
Every submission is saved to a secure database. Pull them up anytime from your AI agent.
Submit
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Email notifications & autoresponders
Get an email for every submission and send each person a confirmation.
Backend validation
Validate fields and set form rules to block invalid submissions, so people always fill out your form correctly.
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File uploads
Accept CVs, photos and briefs. Files are stored with the response.
Conditional Logic
Show or hide fields and email certain people based on each answer.
Integrations
Send submissions to the tools you already use, like Google Sheets, Slack and your CRM.
FAQ
Use the self-signup prompt above, or install the plugin from the plugin directory. Then ask Codex to connect your forms.
You do not need to copy an API key. With self-signup, your agent handles the connection after email verification or account approval. With the plugin, you sign in and approve access in your browser.
Self-signup lets Codex connect your forms directly using the setup guide, without installing a plugin. Installing the plugin connects Codex through the Form Backend MCP server instead.
Yes. Ask Codex to list, search or summarize submissions and it pulls them from Form Backend.
Yes. Ask Codex to connect an existing form and it points the form at Form Backend without rebuilding it.
Yes. You can get started for free with no credit card.See pricing
