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Microsoft Scope Agent Testing

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Abhijit
Oct 20, 2026•5 min read
Microsoft Scope Agent Testing

Evaluating coding agents with Microsoft Scope, a self-hosted agent testing tool, to identify failures and improve developer experience

Microsoft Scope is an agent testing tool designed to evaluate the performance of coding agents, such as GitHub Copilot and Claude Code. The tool is self-hosted and provided under the MIT license. The focusKeyword agent testing is crucial in ensuring that coding agents can perform tasks smoothly and efficiently.

How Agent Testing Works

The process of agent testing involves giving a task to the coding agent, along with a starting codebase and an agent setup. The agent is then driven through the task, and its performance is scored based on a set of evaluation criteria. These criteria form a dependency graph, where one check can gate another. For example, a simple case might involve asking an agent to create a Node.js server and checking for a GET /health route that returns JSON. The LLM-based Judge service is used to score each run, providing a comprehensive evaluation of the agent's performance.

Evaluation Criteria

The evaluation criteria used in agent testing are critical in determining the performance of the coding agent. These criteria can include factors such as the ability to complete a task, the accuracy of the output, and the efficiency of the code. The dependency graph ensures that each check is dependent on the previous one, providing a comprehensive evaluation of the agent's performance.

Comparison of Agent Testing Tools

ToolLicenseEvaluation CriteriaScoring System
Microsoft ScopeMITDependency graphLLM-based Judge
GitHub CopilotProprietaryUnknownUnknown
Claude CodeProprietaryUnknownUnknown

Frequently Asked Questions

t is Agent Testing? Agent testing is the process of evaluating the performance of coding agents, such as GitHub Copilot and Claude Code. It involves giving a task to the agent, along with a starting codebase and an agent setup, and scoring its performance based on a set of evaluation criteria. ### What is DevAx? DevAx, or Developer Agent Experience, is a field of study that focuses on evaluating and improving the performance of coding agents. It involves developing tools and frameworks to test and evaluate the performance of these agents. ### How Does Agent Testing Work? Agent testing involves driving the coding agent through a task, and scoring its performance based on a set of evaluation criteria. These criteria form a dependency graph, where one check can gate another. ### What is the LLM-based Judge Service? The LLM-based Judge service is a scoring system used to evaluate the performance of coding agents. It provides a comprehensive evaluation of the agent's performance, based on a set of evaluation criteria. *Source: Sourav Rudra*

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Abhijit

Founder & Editor-in-Chief

Founder & Editor-in-Chief at TechPari. Covering AI, cybersecurity, programming, and the tech that shapes tomorrow.

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