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Matt Greathouse

PROFILE

Matt Greathouse

Matt developed and integrated advanced backend and AI features across the browser-use/browser-use and BerriAI/litellm repositories over five months. He delivered authenticated proxy support, multi-modal model integration, and pricing data override capabilities, focusing on reliability and extensibility. Using Python, asynchronous programming, and data modeling, Matt implemented typed configuration models, robust validation, and comprehensive test coverage to ensure stability and maintainability. His work included schema integrity fixes, cache management, and support for reasoning-enabled models, addressing both operational efficiency and future scalability. The depth of his contributions reflects a strong grasp of backend architecture, API integration, and machine learning-driven workflows.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

10Total
Bugs
2
Commits
10
Features
4
Lines of code
976
Activity Months5

Work History

March 2026

2 Commits • 1 Features

Mar 1, 2026

March 2026 (2026-03) monthly summary: Delivered pricing data URL override capability for TokenCost in browser-use/browser-use, enabling operators to point TokenCost to custom pricing sources. Propagated the override through the Agent layer and added cache validation/cleanup to ensure pricing data remains fresh. Built comprehensive tests covering default and overridden URLs as well as cache behavior. This work reduces pricing data latency, enables pricing migrations and experimentation with pricing sources, and improves reliability for token pricing decisions.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026 monthly summary for BerriAI/litellm: Delivered OpenRouter Gemini-3-Flash multi-modal model integration into the litellm OpenRouter configuration, enabling multi-modal inputs (text, image, audio, and video) and including cost metrics and operational parameters to support efficient resource management and seamless workflow integration. Impact includes expanded modality support, improved cost visibility, and a solid foundation for future multimodal pipelines, aligned with product goals. Technologies demonstrated include multimodal model integration, OpenRouter configuration, and cost-aware resource planning.

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 (2025-12) — BerriAI/litellm: Delivered Deepseek 3.2 model support with reasoning in OpenRouter. This includes new reasoning-enabled configuration parameters and accompanying tests to validate behavior. No major bugs reported this month for the scope of this work. Impact: enhanced model capability enables more complex interactions and reasoning tasks, improving decision quality and user experience in OpenRouter-driven workflows. Skills demonstrated: model integration (Deepseek 3.2), OpenRouter configuration, test-driven development, and commit-level traceability (commit f22bc0aab20e9b5336e73d67ba1631176cbacfd6).

October 2025

1 Commits

Oct 1, 2025

Month 2025-10 summary: Delivered a reliability-focused fix to the Gemini-optimized schema by preserving mandatory 'required' fields, added regression tests, and validated schema integrity in the browser-use/browser-use repo.

August 2025

5 Commits • 1 Features

Aug 1, 2025

Month: August 2025 – Delivered key proxy capabilities and stability improvements for browser-use/browser-use, with measurable business impact including improved reliability for enterprise proxy deployments and cross-tab consistency across browser profiles. Core work: authenticated proxy configuration with validation, typed ProxySettings model, enhanced logging and smoke tests; plus fixes to session stability and cross-tab proxy authentication handling, including restoration of request_paused flow to prevent network stalls.

Activity

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Quality Metrics

Correctness92.0%
Maintainability84.0%
Architecture84.0%
Performance82.0%
AI Usage36.0%

Skills & Technologies

Programming Languages

JSONPython

Technical Skills

AI DevelopmentAPI IntegrationAPI integrationBackend DevelopmentCloud ServicesData ModelingMachine LearningPythonasynchronous programmingback end developmentbackend developmentdata modelingdebuggingevent-driven programmingnetworking

Repositories Contributed To

2 repos

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

browser-use/browser-use

Aug 2025 Mar 2026
3 Months active

Languages Used

Python

Technical Skills

API integrationasynchronous programmingback end developmentbackend developmentdata modelingdebugging

BerriAI/litellm

Dec 2025 Jan 2026
2 Months active

Languages Used

PythonJSON

Technical Skills

AI DevelopmentBackend DevelopmentMachine LearningAPI IntegrationCloud ServicesData Modeling