Not a lot of code coverage tools integrated, would be great to see CodeClimate on there
If you have some time you can create your own step for this (http://devcenter.bitrise.io/bitrise-cli/create-your-own-step/ - we’re always happy to help with step dev, feel free to ask any questions in the #dev:step-dev section! )
or use a Script step and follow the API docs of CodeClimate, doing the API calls with e.g.
If you have any questions just let us know!
P.S.: Don’t forget to vote on your #feature-request to bump its priority!