ZERO-COOKIE · ZERO-UPLOAD · INSTANT

MCPCheck

Scan MCP config files for security risks, toxic parameters, command injection vectors, and unauthorized network endpoints.

MCP Security Scanner

100% Client-Side Shield Active

Claude / Cursor / Windsurf MCP Configuration (JSON)

Paste your MCP configuration above to audit for security risks and rug-pull vulnerabilities.

Are my files or text uploaded to a remote server?

No. All computation occurs 100% client-side in your browser JavaScript thread. No payload data is ever transmitted across the network.

Does MCPCheck use advertising or behavioral trackers?

Never. OTHRYS tools have zero tracking pixels, zero analytics scripts, and set zero third-party cookies.

Can I use this tool offline?

Yes! Once loaded, MCPCheck executes without any network dependency. You can safely disconnect your internet connection and keep using it.

What types of files can I scan with MCPCheck?

You can scan MCP configuration files and tool definitions.