Best Alternatives to GuardianShield

Mund

Runtime: npx

AI security scanner - secrets, PII, prompt injection, and exfiltration detection.

Security layer for AI agents: blocks prompt injection, detects fake packages, scans vulnerabilities.

MCP Fortress

Runtime: npx

Security scanner for MCP servers with vulnerability detection and prompt injection analysis.

Ida Pro MCP

Runtime: npx

Connects AI assistants to IDA Pro for decompilation, disassembly, database changes, and reverse-engineering workflows.

AI Firewall MCP

Runtime: npx

Multi-agent LLM security layer detecting prompt injection and jailbreaks.

Squirrelscan

Runtime: npx

Audit websites for SEO, performance, security, accessibility and agent experience issues.

ScanMalware.com URL Scanner

Runtime: Remote (SSE)

MCP server for ScanMalware.com URL scanning, malware detection, and analysis.

Releaseguard

Runtime: npx

Scans datasets/models for PII/secrets, redacts, and packages a public-release bundle via MCP.

Shadowgate MCP

Runtime: Remote (SSE)

Security firewall for AI agents — scans MCP calls for injection, secrets, and risks.

Auth0 MCP Server

Runtime: npx

Auth0 MCP Server: Manage Auth0 applications, APIs, actions, logs, and forms using natural language

Kody

Runtime: npx

Personal assistant MCP server with search, execute, packages, jobs, secrets, and integrations.

Stackhawk

Runtime: uvx

An MCP server that provides interaction with StackHawk's security scanning platform.