mistral-security-basics

name	mistral-security-basics
description	Apply Mistral AI security best practices for secrets, prompt injection, and access control. Use when securing API keys, defending against prompt injection, or auditing Mistral AI security configuration. Trigger with phrases like "mistral security", "mistral secrets", "secure mistral", "mistral prompt injection".
allowed-tools	Read, Write, Grep
version	1.12.0
license	MIT
author	Jeremy Longshore <[e-mail]>
tags	["saas","mistral","api","security","audit"]
compatibility	Designed for Claude Code

Mistral Security Basics

Overview

Security practices for Mistral AI integrations: API key management, prompt injection defense, output sanitization, content moderation with mistral-moderation-latest, request logging without secrets, and key rotation.

Prerequisites

• Mistral API key provisioned
• Understanding of OWASP LLM Top 10 risks
• Secret management infrastructure

Instructions

Step 1: API Key Management

import os

# NEVER: api_key = "sk-abc123"

# Development — env vars
api_key = os.environ.get("MISTRAL_API_KEY")
if not api_key:
    raise RuntimeError("MISTRAL_API_KEY not set")

# Production — secret manager
from google.cloud import secretmanager

def get_api_key() -> str:
    client = secretmanager.SecretManagerServiceClient()
    response = client.access_secret_version(
        name="projects/my-project/secrets/mistral-api-key/versions/latest"
    )
    return response.payload.data.decode("UTF-8")

Step 2: Prompt Injection Defense

function sanitizeUserInput(input: string): string {
  // Strip common injection patterns
  const patterns = [
    /ignore (?:previous|all|above) instructions/gi,
    /you are now/gi,
    /system prompt/gi,
    /\boverride\b/gi,
    /\bforget\b.*\binstructions\b/gi,
  ];

  let sanitized = input;
  for (const pattern  patterns) {
    sanitized = sanitized.(pattern, );
  }

  
   sanitized.(, );
}

 () {
   [
    { : , : system },
    {
      : ,
      : ,
    },
  ];
}