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How to set up a source build to contribute to OpenChart with Openchart

Clone the repo, install the pinned toolchain, run the app from source, and run checks before a pull request.

  • Money
  • Advanced
  • 1 hour
  • From the README
  • Any agent

Who it is forA developer who wants to improve OpenChart's built-in studies, documentation, or code.

The problemContributing needs a working local build that matches the project's pinned tool versions.

The outcomeA running Desktop app built from source, with the project checks passing before you open a pull request.

What you need first

  • macOS on Apple Silicon for the packaged Desktop app, or Node.js 24, npm 11.11.1, Bun 1.4.2, and Just for a source build
  • An account with your agent provider (Claude, Codex, or Gemini models) to power the agent features
  • Optional: OpenChart Cloud market data, which is priced separately
  • Git, for cloning the repository in the source build path

Steps

  1. Install Node.js 24, npm 11.11.1, Bun 1.4.2, and Just, using the links in the README.
  2. Run git clone https://github.com/longsurf-ai/openchart.git and then cd openchart.
  3. Run just install --frozen-lockfile and then just desktop.
  4. Read docs/development.md and docs/architecture/code-organization.md, make your change, then run just check before submitting a pull request.

Prompt for your agent

In the openchart repo, make the change described in <issue link> and prepare a pull request. Expected output: a branch with the change and a passing `just check` run. Verify that `just check` passes before you open the pull request.

Caveat. The README pins exact versions of npm and Bun, so using different versions may break the build.

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