AI Agent Evaluation Framework for Adversarial Test Coverage

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Solution Overview

Problem

The complexity and unpredictability of AI agents, driven by non-deterministic outputs and dynamic learning, complicate rigorous pre-deployment testing, especially in critical decision-making scenarios, necessitating improved evaluation frameworks to ensure reliability, security, and ethical standards.

Innovation Solution

An AI agent evaluation framework that leverages Large Language Models (LLMs) to generate test questions and scenarios, incorporating a system comprising an agent core, memory module, planner component, and tools to enhance testing capabilities, including cybersecurity monitoring and zero-trust architectures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional testing methods are used for AI agents, then testing process is simple, but testing coverage and reliability are insufficient due to non-deterministic outputs and dynamic learning

Engineering Contradiction:
Improvetesting reliabilityVSAvoidevaluation framework complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces an intermediary evaluation framework that acts as a mediator between the AI agent and the testing process. This framework includes specialized components (functional testing module, usability testing module, performance testing module, security testing module, ethical and bias testing module, scenario-based testing module) that systematically evaluate the AI agent's outputs. The intermediary framework transforms the unpredictable non-deterministic outputs into structured, measurable evaluation data, thereby improving testing reliability without requiring changes to the AI agent itself.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The evaluation framework performs preliminary actions by establishing comprehensive testing protocols and evaluation criteria before the AI agent is deployed. The framework pre-defines multiple testing dimensions (functional, usability, performance, security, ethical, scenario-based) and prepares test cases in advance. This preliminary structuring of the evaluation process enables systematic assessment of the AI agent's behavior across various scenarios, improving reliability by ensuring thorough pre-deployment testing.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If comprehensive testing is performed to ensure reliability and security, then AI agent performance is improved, but testing time and resources increase

Engineering Contradiction:
ImproveAI agent reliabilityVSAvoidtesting time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent segments the comprehensive testing process into six distinct, parallel testing modules: functional testing, usability testing, performance testing, security testing, ethical and bias testing, and scenario-based testing. Each module independently evaluates specific aspects of the AI agent using specialized criteria and metrics. This segmentation allows multiple testing activities to be conducted simultaneously rather than sequentially, reducing overall testing time while maintaining comprehensive coverage across all critical dimensions.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The evaluation framework is designed as a universal multi-functional system that can simultaneously perform multiple types of testing (functional, usability, performance, security, ethical, scenario-based) through integrated modules. The framework uses a common infrastructure to execute diverse testing protocols, enabling comprehensive evaluation across all dimensions without requiring separate independent testing systems. This multi-functionality reduces resource duplication and accelerates the overall testing process.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP4660857A1Artificial intelligence (AI) agent evaluation framework
Publication Date: 2025.12.10 ZSCALER INC
  • EP4660857A1 patent drawingFigure 1A
  • EP4660857A1 patent drawingFigure 1B
  • EP4660857A1 patent drawingFigure 2~3

AI summary

A method is disclosed for evaluating performance of an Artificial Intelligence, AI, agent system (400), comprising an agent core (402), memory (404), a planner (406), and tools (408), in a test environment. The method includes providing the Al agent system (400) with requests (410), receiving responses (708), and evaluating performance (710) based on the responses (708). Further, the method involves generating, using an amplifier (704), variations (706) from expert-curated or externally-sourced seed requests (702) to comprehensively assess the Al agent's (400) behavior, accuracy, and resilience to malicious queries. The method can customize (760) seed requests to a specific application context and employs performance metrics (712) for iterative refinement. The disclosed framework ensures thorough evaluation, addressing both legitimate and malicious interactions, enhancing reliability and security of the Al agent system (400).