openai/codex
Feb 2026 – Mar 2026
2 Months active
Languages Used
JSONRustTypeScript
Technical Skills
API DevelopmentJSON schema designProtocol DesignRustTypeScriptfull stack development
Jack Mousseau
PROFILE
Jack Mousseau
Worked on the openai/codex repository to deliver two core backend features over two months, focusing on protocol and API development using Rust and TypeScript. Enhanced the Agent Messaging Protocol by introducing MessagePhase classification and a phase field in JSON schemas, which improved conversation fidelity and preserved context across multi-turn interactions. Developed history loading support to maintain accurate state when restoring conversations, reducing user confusion. Built a Dynamic Permissions Request Tool that enabled runtime client-side permission prompts, streamlining permission management for downstream applications. Prioritized clear business value, rapid iteration, and traceable commits, demonstrating depth in protocol design and full stack development.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
4Total
Bugs
0
Commits
4
Features
2
Lines of code
7,436
Activity Months2
Your Network
617 peopleSame Organization
@openai.com360
Work History
March 2026
2 Commits • 1 Features
Mar 1, 2026For 2026-03, delivered a high-impact, reusable feature for dynamic permission management in the openai/codex repository. The new Dynamic Permissions Request Tool enables runtime client-side permission prompts, increasing flexibility in permission handling and reducing integration complexity for downstream apps.
2 Commits • 1 Features
Mar 1, 2026For 2026-03, delivered a high-impact, reusable feature for dynamic permission management in the openai/codex repository. The new Dynamic Permissions Request Tool enables runtime client-side permission prompts, increasing flexibility in permission handling and reducing integration complexity for downstream apps.
March 2026
February 2026
2 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for openai/codex focused on enhancing the Agent Messaging Protocol to improve conversation fidelity and history preservation, with clear business value through better UX, auditing, and reliability.
February 2026
2 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for openai/codex focused on enhancing the Agent Messaging Protocol to improve conversation fidelity and history preservation, with clear business value through better UX, auditing, and reliability.
Activity
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Quality Metrics
Correctness90.0%
Maintainability80.0%
Architecture90.0%
Performance80.0%
AI Usage60.0%
Skills & Technologies
Programming Languages
JSONRustTypeScript
Technical Skills
API DevelopmentAPI designJSON schema designProtocol DesignRustTypeScriptbackend developmentfull stack developmentprotocol development
Repositories Contributed To
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