Agent Wiz vs Promptfoo MCP Proxy: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Agent Wiz is a free agentic ai security tool by Repello AI. Promptfoo MCP Proxy is a commercial agentic ai security tool by Promptfoo. Compare features, ratings, integrations, and community reviews side by side to find the best agentic ai security fit for your security stack.
CST VerdictBased on our analysis of core features, here is our conclusion:
Security teams building or auditing multi-agent AI systems need Agent Wiz for threat modeling that actually maps agent interactions rather than treating them as black boxes. The CLI-first design means you can integrate threat visualization into CI/CD pipelines and version control your attack surface as agents evolve, which traditional threat modeling tools cannot do. The free pricing removes friction for teams still figuring out AI security posture. Skip this if you're looking for runtime detection or monitoring of agents in production; Agent Wiz stops at the design phase.
Security teams deploying AI agents that rely on Model Context Protocol servers need Promptfoo MCP Proxy to prevent unauthorized tool access before it happens. The whitelisting architecture blocks unapproved MCP servers entirely rather than detecting misuse after, giving you control at the integration layer where most teams have blind spots. Skip this if your org hasn't yet standardized which MCP servers agents can reach, or if you're still evaluating whether MCP is central to your agentic AI strategy; the value scales with enforcement discipline.
