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Cookies

leetcode-cli talks to LeetCode as you, so it needs your session cookies. There are three ways to provide them.

1. Automatic (Chrome)

If csrf and session are both empty in leetcode.toml, leetcode-cli reads the cookies straight from Chrome's cookie store for the configured site. Just sign in to LeetCode in Chrome and run any command — there is nothing else to set up.

This is the only automatic path, and it is Chrome-only. It works on macOS and Linux; on Windows Chrome's cookie encryption isn't read automatically yet, so use the manual setup below. The same applies if you use a different browser, or Chrome's cookie store can't be read.

If you see a "not logged in to Chrome" error, either sign in to LeetCode in Chrome or set the cookies manually.

2. Manual (any browser)

Copy the two cookie values into leetcode.toml:

[cookies]
csrf = '<your-leetcode-csrf-token>'
session = '<your-leetcode-session-key>'
site = 'leetcode.com'

To find them — for example in Firefox, after logging in to LeetCode:

  1. Press F12 and open the Storage tab.
  2. Expand Cookies and select https://leetcode.com.
  3. Copy the Value of csrftoken into csrf and LEETCODE_SESSION into session.

The same values are available under DevTools in any Chromium browser (Application → Cookies).

3. Environment variables

To keep secrets out of leetcode.toml, leave csrf and session empty and export them instead. Environment variables override whatever is in the file:

export LEETCODE_CSRF='<your-leetcode-csrf-token>'
export LEETCODE_SESSION='<your-leetcode-session-key>'
export LEETCODE_SITE='leetcode.com'   # or 'leetcode.cn'

cookies.site must still be present in leetcode.toml (otherwise config parsing fails), but LEETCODE_SITE overrides it at runtime.

leetcode.com vs leetcode.cn

site accepts exactly two values: leetcode.com or leetcode.cn (anything else is rejected). Choosing leetcode.cn switches every API endpoint to the China site — set it via the config field or LEETCODE_SITE.