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Description
From the marketplace listing
Send API keys and private files to a teammate's agent without pasting them into chat.
How it works in ChatGPT:
- Ask Lockbox to share a file or a secret. A panel opens in the conversation.
- Pick the file or type the secret in the panel. It's encrypted in your browser before it leaves.
- Copy the link for each person. Links can be locked to their email, expire, and open a set number of times.
The assistant never sees your file or secret through Lockbox. A file reaches the chat only if you click "Send to chat". Lockbox's servers store only encrypted data.
Language: English · Automatically detected from descriptions.
From the developer’s listing and package; capabilities are not independently tested. Package observed Nov 2, 2026.
Declared capabilities
Read
Write
Declared limitations
Secret pasted into chat: the assistant must not pass the value to any tool or repeat it. It opens the panel with only the recipient and asks the user to type the key there.
Unopened link: the assistant must not claim to know the contents. It can read a file only after the user unlocks it in the panel and clicks Send to chat.
Too many recipients: share_file refuses more than 10, and the assistant asks the user to split the list.
Review scenarios; not an exhaustive list.
Cost & access
Pricing and account requirements have not been established from the available package declarations. Unknown pricing does not mean free access.
Starter prompt
A starter prompt has not been provided in the catalog.