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Jakub Amanowicz

PROFILE

Jakub Amanowicz

Jakub Amanowicz developed cross-platform features and infrastructure for the JetBrains/koog and modelcontextprotocol/kotlin-sdk repositories, focusing on seamless iOS/macOS integration and robust backend reliability. He implemented XCFramework packaging and automated Swift Package Manager release flows, enabling faster, safer distribution. Jakub refactored dependency management using Gradle and Kotlin, reducing transitive dependencies and improving modularity. He introduced load balancing for LLM clients with a pluggable router and enhanced prompt execution, while also fixing configuration parsing and endpoint resolution bugs. His work included Java and Kotlin onboarding examples, comprehensive testing, and documentation updates, demonstrating depth in backend development, CI/CD, and cross-platform SDK engineering.

Overall Statistics

Feature vs Bugs

70%Features

Repository Contributions

11Total
Bugs
3
Commits
11
Features
7
Lines of code
3,519
Activity Months2

Work History

March 2026

5 Commits • 4 Features

Mar 1, 2026

March 2026 focused on delivering safer, faster releases and stronger SDKs across two repositories: JetBrains/koog and modelcontextprotocol/kotlin-sdk. Key releases include a full Swift Package Manager (SPM) release flow with manual production/testing triggers and an automated koog-spm dispatch; documentation and release notes updates for 0.6.4 with the new LLM Client Router; Java/Kotlin examples and setup to broaden language support and improve onboarding; and a robust fix to preserve provider-specific fields in LLMParams copy to unblock integration tests. Together, these efforts reduce release risk, accelerate time-to-market for SPM-based distributions, and improve developer productivity across multiple languages and components.

February 2026

6 Commits • 3 Features

Feb 1, 2026

February 2026 monthly summary focused on business value, reliability, and cross‑platform capabilities. 1) Key features delivered: Koog XCFramework packaging and Swift Package Manager distribution; dependency management cleanup for agents-test to reduce transitive dependencies; LLM client routing and load balancing with a pluggable router and a dedicated prompt executor; timeout configuration parsing fix in EnvConfigLoader; SSE endpoint URL resolution fix in modelcontextprotocol Kotlin SDK. 2) Major bugs fixed: robust handling of custom timeouts, correct SSE endpoint resolution for absolute paths, and removal of transitive dependency leakage. 3) Overall impact and accomplishments: enabled seamless iOS/macOS integration for Koog, improved build modularity and runtime reliability, and enhanced multi-LLM support with better resilience and testing coverage. 4) Technologies/skills demonstrated: Kotlin/Gradle DSL, Gradle Kotlin DSL, Swift Package Manager, XCFramework cross‑platform packaging, GitHub Actions CI, YAML-based tests, and cross‑platform testing strategies.

Activity

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Quality Metrics

Correctness92.8%
Maintainability85.4%
Architecture87.4%
Performance85.4%
AI Usage38.2%

Skills & Technologies

Programming Languages

GroovyJavaKotlinMarkdownYAML

Technical Skills

AI Agent DevelopmentAPI designBackend DevelopmentCI/CDContinuous IntegrationGitHub ActionsGradleJava DevelopmentKotlinKotlin DevelopmentKotlin MultiplatformKotlin developmentSwift Package ManagerTestingbackend development

Repositories Contributed To

2 repos

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

JetBrains/koog

Feb 2026 Mar 2026
2 Months active

Languages Used

KotlinYAMLGroovyJavaMarkdown

Technical Skills

API designBackend DevelopmentContinuous IntegrationGradleKotlinKotlin Multiplatform

modelcontextprotocol/kotlin-sdk

Feb 2026 Mar 2026
2 Months active

Languages Used

Kotlin

Technical Skills

Kotlinbackend developmentunit testingKotlin developmentversion control