Stop attacks before they reach your AI system.

Scan text, public URLs, and documents for prompt-injection attacks. Built for applications, agents, and people.

Start free with text, URLs, and files.

Test real content without an API key. Create a free account when you are ready to integrate Patronus into production.

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One security layer. Every relevant input.

Patronus inspects content where it enters your AI system — through one consistent scan contract.

Text

Inspect text locally after setting up the CLI.

Read the docs
Runnable CLI command
printf 'Untrusted agent input' > prompt.txt
patronus-security-scanner scan file prompt.txt --format human
Local report

The CLI shows findings and coverage for your file.

Upload
No
Account
Not needed

MCP Server

Inspect a real public MCP server with your Patronus account without executing its tools.

Read the docs
Runnable CLI command
patronus-security-scanner auth login
patronus-security-scanner scan mcp https://docs.mcp.cloudflare.com/mcp --format human
MCP audit

The CLI lists inspected tools and current findings.

Access
Login
Server
Cloudflare Docs

URL

Fetch a real public test page and inspect its static, agent-readable surface.

Read the docs
Runnable CLI command
patronus-security-scanner scan url https://api.patronus.studio/scan-example.html --format human
URL scan

The CLI shows the verdict for the current page content.

Access
Anonymous
Page
Public

Files

Scan TXT, Markdown, HTML, text-layer PDFs, and DOCX up to 100 KB — locally or through the API.

Read the docs
Runnable CLI command
printf 'Public test note' > example.md
patronus-security-scanner scan file example.md --anonymous-api --format human
Anonymous file scan

The test file is explicitly sent to the API.

Upload
Yes
Account
Not needed

Protect your agent with one CLI.

Install the general Patronus Security CLI, enable Codex, Claude Code, or DeepSeek, and use the same API through the official TypeScript, Python, and Rust clients.

Agent Setup
Set up Patronus Security using https://github.com/patronus-protect/patronus-security-cli/blob/main/INSTALL.md

Powered by Patronus Protect and Wolf Defender Prompt Injection

Protect the context your AI consumes.

Start free and move to the allowance that fits your product when you need it.

Create API key