* If you have a trivial fix or improvement, go ahead and create a pull request, addressing (with `@...`) the maintainer of this repository (see[MAINTAINERS.md](MAINTAINERS.md)) in the description of the pull request.
* If you plan to do something more involved, first discuss your ideas on our [mailing list](https://groups.google.com/forum/?fromgroups#!forum/prometheus-developers). This will avoid unnecessary work and surely give you and us a good deal of inspiration.