What is CodeCompanion?

CodeCompanion is an AI coding assistant that scans an entire codebase to locate relevant files before executing tasks. It includes an integrated terminal, browser, and shell command execution, giving developers a complete development environment. The tool automatically corrects console errors and warnings and can browse the web for up‑to‑date documentation.

Semantic code search and custom instructions make it easy to work on projects of any size. All data is stored locally, ensuring privacy and security for sensitive code. Users can supply their own API keys to customize the assistant’s behavior. CodeCompanion runs on both Mac and Windows platforms.

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CodeCompanion's key features

Knows entire codebase
Integrated terminal and browser
Executes shell commands
Browses web for documentation
Semantic code search
Custom project instructions
Local data storage

CodeCompanion use cases

Create a robust debugging workflow for a multi‑module project by leveraging CodeCompanion's semantic search to locate problematic files, auto‑correcting console errors, and running tests in its integrated terminal—without switching tools or environments.
Develop a new feature quickly by using CodeCompanion to search for relevant code snippets, execute shell scripts directly in the browser‑enabled terminal, and preview the outcome in the built‑in browser—all while keeping all data stored locally on Mac or Windows.
Maintain consistent coding standards across a team by storing custom instruction prompts locally in CodeCompanion, enabling automated linting, documentation generation, and semantic code search, which reduces onboarding time and enhances collaboration.