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circleci Codex Plugin

Author
CircleCI
Category
Developer Tools
Topics
Cloud, Deployment & CI/CD · Code Quality, Review & Testing
Version
1.0.4
First seen
2026-07-12
Last confirmed
2026-07-13
Explanation last updated
2026-07-12

The explanation below is AI-generated. Please verify it against the sources.

The circleci plugin is a Codex plugin published by CircleCI that brings CI/CD build, test, and deployment workflows into Codex. According to the plugin.json manifest, it is categorized under Developer Tools and has Interactive and Write capabilities, meaning it can converse with the user and make changes to files. Its stated purpose is to "Bring testing, deployment, and CI best practices into Codex." The plugin ships default prompts for reviewing CircleCI configuration, diagnosing and fixing build failures, and setting up the Chunk CLI. Licensed under MIT, its source repository is listed as github.com/circleci-public/skills.

Overview

CircleCI is a CI/CD (continuous integration/continuous delivery) platform, described on its homepage as providing "autonomous validation for the AI era" for building, testing, and deploying applications across many languages, frameworks, and cloud/hosting integrations (e.g., GitHub, GitLab, Bitbucket, AWS, GCP, Azure, Kubernetes). It offers features such as execution environments, a "Chunk agent," an MCP server, build images, build optimization, autoscaling, and rollback pipelines, per its homepage.

What you can do with circleci

  • Review the CircleCI configuration for a project and get suggested improvements (per plugin default prompt)
  • Diagnose and fix build failures for the current branch (per plugin default prompt)
  • Set up the Chunk CLI for a project (per plugin default prompt)
  • Interact conversationally with the plugin and have it write/modify files, per its declared "Interactive" and "Write" capabilities
  • Connect to CircleCI's MCP server to give AI assistants access to logs, job metadata, and failure context, according to the CircleCI homepage (unknown whether this is part of this specific plugin's functionality)

Sources

Original description (English)

Build, test, and deploy any application

History of circleci

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