Use the SDK
Wrap OpenAI or Anthropic clients. Preserve the vault for the full request/response lifecycle, including streamed output.
View downloads ↗SDK & local proxy
Protect before the model call.
Run detection and restoration in your own process. Keep the swap table inside your application’s trust boundary.
Small surface.
Explicit data flow.
The core exposes protect and restore. Your application sends the protected text to its model provider, then restores the response using the same local vault.
The example illustrates the core workflow; callYourModel is your own integration. The SDK provides client wrappers and streaming helpers. Review the full documentation before using it in production.
Read the SDK docs ↗TypeScript · core workflow
import { protect, restore }
from 'tightlip';
const result = protect(prompt);
// Your model integration
const reply = await callYourModel(
result.text
);
const readable = restore(
reply, result.vault
);Use the local proxy
Point a compatible tool at a proxy in your environment. Review network access and metering behavior in the docs.
View downloads ↗THE LOCAL PROTECTION WORKFLOW
Conceptual diagram01 / YOUR DEVICE
Find & replace
Client emailConsistent placeholder
The original values stay in your local swap table.
02 / YOUR REVIEW
Check what remains
Instructions + context
+ placeholders
+ placeholders
Check missed details and identifying context before sharing.
03 / YOUR MODEL INTEGRATION
Send reviewed text
The provider receives the text you choose to share.
Restore supported replies locally using the same swap table.