How to protect credit card numbers and auth tokens from leaking into LLMs without storing any data locally?

Protect credit card numbers and auth tokens from leaking into LLMs without storing any data locally using Secureintent

This task can be performed using Secureintent

SecureIntent prevents secrets from being pasted into LLMs by removing them locally before they leave the machine, then restoring them safely when needed.

Best product for this task

Secure

Secureintent

dev-tools

Secureintent.ai is a free chrome extension that protects vibe coders and developers from pasting sensitive tokens, keys and 16-digit credit card details by alerting the user when they paste. Our unique zero retention architecture means the data is never stored or logged and it only ever resides in the local RAM.

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What to expect from an ideal product

  1. SecureIntent intercepts credit card numbers and API tokens the moment you hit paste β€” before any characters reach the LLM prompt, eliminating the most common accidental exposure vector for vibe coders working fast.
  2. Unlike vault tools or secret managers that require setup, configuration, or cloud sync, SecureIntent runs entirely in local RAM with zero data retention, meaning nothing is written to disk, logged to a server, or visible to third parties.
  3. Developers using ChatGPT, Claude, or Cursor to debug live code are one misclick away from leaking a Stripe key or AWS token β€” SecureIntent catches that specific moment with a real-time alert before the damage is done.
  4. The Chrome extension targets the exact workflow gap that security audits miss: human copy-paste behavior during active coding sessions, where credentials from .env files or payment dashboards get accidentally included in prompts.
  5. Because SecureIntent never stores or transmits the sensitive values it detects, there is no honeypot to breach, no compliance liability to manage, and no trust relationship required between the user and the product itself.

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