whattweetbot-keys is a command-line utility to associate a Twitter account with a Twitter app (whattweetbot as it happens).

Here is how you can use it:

1. cp private-config.sample.json private-config.json
2. Put the consumer API key and consumer API secret key of the Twitter app in private-config.json in key and secret respectively. You can obtain these from https://developer.twitter.com/en/apps by going to “Details” of the relevant app, and then under the “Keys and tokens” tab.
3. npm install
4. npm link
5. whattweetbot-keys
6. Follow the instructions given. In particular, open the URL in a browser while logged into a Twitter account you want to associate with the Twitter app, grant it access, and enter the PIN on the command-line. Make sure you copy and store the keys given at the end. For the specific case of the WHATWG those need to end up in the private configuration of participate.whatwg.org.