Anthropic Claude Node.js SDK Sanitizer: Sub-Millisecond PII Masking

import Anthropic from '@anthropic-ai/sdk';
import { sanitize, restore } from '@privacyscrubber/sdk';

const anthropic = new Anthropic({
  apiKey: process.env.ANTHROPIC_API_KEY
});

// 1. Raw prompt containing sensitive internal developer logs and credentials
const rawPrompt = 'Debug crash report: User David Miller (dmiller@megacorp.internal) failed auth with AWS_KEY: AKIAIOSFODNN7EXAMPLE and JWT: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...';

// 2. In-Memory Sanitization (<0.82ms)
const { scrubbedText, tokenMap } = sanitize(rawPrompt, {
  profile: 'Dev',
  detectSecrets: true
});

// 3. Dispatch sanitized prompt to Claude 3.5 Sonnet
const message = await anthropic.messages.create({
  model: 'claude-3-5-sonnet-20241022',
  max_tokens: 1024,
  messages: [{ role: 'user', content: scrubbedText }]
});

// 4. Detokenize assistant output in local RAM
const rawResponse = message.content[0].text;
const safeResponse = restore(rawResponse, tokenMap).restoredText;

console.log('Sanitized Payload Sent to Anthropic:');
console.log(scrubbedText);

console.log('\nFinal Restored Answer in Local RAM:');
console.log(safeResponse);