# Improving our Java SDK with Codex by OpenAI

DevFeed: [Improving our Java SDK with Codex by OpenAI](<https://devfeed.tech/articles/improving-our-java-sdk-with-codex-by-openai-35881.md>)

Original publisher: [Read original article](<https://temporal.io/blog/improving-java-sdk-codex-openai>)

Author: Ryan Cox

Published: 2025-05-17T00:00:00Z

Content type: article

Language: en

Sources: [Temporal Blog](<https://devfeed.tech/sources/temporal-blog.md>)

Topics: [codex](<https://devfeed.tech/topics/codex.md>), [Java](<https://devfeed.tech/topics/java.md>), [SDKs](<https://devfeed.tech/topics/sdks.md>), [OpenAI](<https://devfeed.tech/topics/openai.md>), [bug](<https://devfeed.tech/topics/bug.md>), [Refactoring](<https://devfeed.tech/topics/refactoring.md>), [test-coverage](<https://devfeed.tech/topics/test-coverage.md>), [Development](<https://devfeed.tech/topics/development.md>)

Tags: [agentic](<https://devfeed.tech/tags/agentic.md>), [announcements](<https://devfeed.tech/tags/announcements.md>), [automate](<https://devfeed.tech/tags/automate.md>), [bug](<https://devfeed.tech/tags/bug.md>), [bug-fixes](<https://devfeed.tech/tags/bug-fixes.md>), [code-coverage](<https://devfeed.tech/tags/code-coverage.md>), [codex](<https://devfeed.tech/tags/codex.md>), [contributions](<https://devfeed.tech/tags/contributions.md>), [development](<https://devfeed.tech/tags/development.md>), [documentation](<https://devfeed.tech/tags/documentation.md>), [github](<https://devfeed.tech/tags/github.md>), [java](<https://devfeed.tech/tags/java.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [openai](<https://devfeed.tech/tags/openai.md>), [refactoring](<https://devfeed.tech/tags/refactoring.md>), [sdk](<https://devfeed.tech/tags/sdk.md>)

## AI overview

Temporal engineers describe using OpenAI's Codex to improve the Java SDK by fixing bugs, implementing features, increasing code coverage, adding documentation, and performing refactoring. They also used parallel background tasks and AGENTS.md files to prepare repositories for agentic contributions.

## Source excerpt

Learn all about how the Temporal engineers used OpenAI's Codex to improve our Java SDK, automate bug fixes, and prepare for agentic contributions, plus, how part of Codex itself runs on Temporal.