Aiceberg Guardian Agent vs Promptfoo MCP Proxy: Side-by-Side Comparison (2026)

Aiceberg Guardian Agent: Provides real-time monitoring and oversight for agentic AI systems. built by Aiceberg. Core capabilities include Real-time monitoring of agentic AI workflows, Tracking of LLM calls, tool executions, and memory access, Input-to-output linking across agent workflows..

Promptfoo MCP Proxy: Proxy layer for controlling and monitoring MCP server access in AI apps. built by Promptfoo. Core capabilities include MCP server whitelisting to block unapproved servers, Granular access control per user and application, Real-time monitoring of MCP interactions..

Both serve the Agentic AI Security market but differ in approach, feature depth, and target audience.

Aiceberg Guardian Agent differentiates with Real-time monitoring of agentic AI workflows, Tracking of LLM calls, tool executions, and memory access, Input-to-output linking across agent workflows. Promptfoo MCP Proxy differentiates with MCP server whitelisting to block unapproved servers, Granular access control per user and application, Real-time monitoring of MCP interactions.

Aiceberg Guardian Agent is developed by Aiceberg. Promptfoo MCP Proxy is developed by Promptfoo. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Aiceberg Guardian Agent and Promptfoo MCP Proxy serve similar Agentic AI Security use cases: both are Agentic AI Security tools. Review the feature comparison above to determine which fits your requirements.