The [Pull Requests][1] section in the [README.md][2] file makes reference to signing up for a developer account ([link in file][3]) and signing a CLA agreement ([link in file][4]) yet both now go to 404 pages on https://nylas.com. You probably want to update this. [1]: https://github.com/nylas/sync-engine/blob/master/README.md#pull-requests [2]: https://github.com/nylas/sync-engine/blob/master/README/md [3]: https://nylas.com/register [4]: https://www.nylas.com/cla.html