EXCEEDS logo
Exceeds
Joel Mut

PROFILE

Joel Mut

Worked on the microsoft/Agents-for-net and microsoft/Agents repositories, focusing on backend reliability, test coverage, and maintainability. Delivered features such as a Roslyn-based source generator for header propagation, automated assembly attribute registration, and comprehensive unit test suites for ASP.NET Core hosting and Bot Framework dialog components. Addressed streaming reliability in Azure AI agents and fixed delivery mode issues in client communications. Emphasized C# and TypeScript development, leveraging dependency injection, mocking frameworks, and Node.js for robust testing and integration. The work reduced regression risk, improved onboarding and build consistency, and ensured accurate, real-time streaming for agent-based applications in production environments.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

10Total
Bugs
2
Commits
10
Features
4
Lines of code
3,616
Activity Months5

Work History

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary for microsoft/Agents-for-net: Focused on delivering a capability that simplifies header propagation initialization and reduces boilerplate. Key feature delivered was a Roslyn-based Header Propagation Source Generator for Assembly Registration, auto-generating the necessary assembly attributes at compile time. This change improves startup reliability and maintainability by ensuring correct header propagation registrations without manual intervention. No major bugs fixed this month; effort concentrated on the feature delivery and integration. Overall impact includes accelerated onboarding for new headers, more predictable builds, and reinforced confidence in assembly registration workflows. Technologies/skills demonstrated include C#, .NET, and Roslyn source generators, with emphasis on compile-time code generation and build tooling.

September 2025

1 Commits

Sep 1, 2025

September 2025 Monthly Summary: Focused on stabilizing the Azure AI Streaming Agent's text streaming reliability. Delivered a critical bug fix and updated core dependencies to support future improvements. The month emphasized streaming correctness, data integrity, and maintainable code changes in microsoft/Agents.

May 2025

1 Commits

May 1, 2025

May 2025 monthly summary for microsoft/Agents-for-net: Fixed HttpAgentClient Stream DeliveryMode bug by passing a cloned activity to InnerSendActivityStreamedAsync to ensure the streamed delivery mode is correctly applied. The fix stabilizes streaming delivery and improves reliability of agent communications.

February 2025

3 Commits • 1 Features

Feb 1, 2025

February 2025 — microsoft/Agents-for-net: Delivered a comprehensive BotBuilder.Dialogs Testing Suite and Reliability Enhancements, improving test coverage, reliability, and maintainability of dialog components. Focused on instituting unit tests for component dialogs, dialog contexts, and skill dialogs; strengthened serialization and error handling; refined test naming conventions; refactored DictionaryOfObjectConverter tests; and hardened test isolation by restoring SourceMap after tests to prevent interferences. This work reduces production risk and enables faster, more confident releases for BotBuilder.Dialogs features.

January 2025

4 Commits • 2 Features

Jan 1, 2025

January 2025 monthly summary for microsoft/Agents-for-net focused on strengthening test coverage, maintainability, and overall reliability of core hosting and client components. No customer-facing bugs were closed this month; instead, the team delivered foundational improvements that reduce regression risk and accelerate future development.

Activity

Loading activity data...

Quality Metrics

Correctness93.0%
Maintainability91.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C#TypeScript

Technical Skills

API IntegrationAPI TestingASP.NET CoreAssembly ManagementAttribute ProgrammingAzure AIBackend DevelopmentBot FrameworkC#C# DevelopmentClient-side developmentDebuggingDependency InjectionDialog ManagementMocking Frameworks

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

microsoft/Agents-for-net

Jan 2025 Feb 2026
4 Months active

Languages Used

C#

Technical Skills

API TestingASP.NET CoreBackend DevelopmentC#Dependency InjectionMocking Frameworks

microsoft/Agents

Sep 2025 Sep 2025
1 Month active

Languages Used

TypeScript

Technical Skills

Azure AINode.js