# Prometheus Exporter Toolkit [][circleci] [][goreportcard] [][godoc] This is a [Go](http://golang.org) library for [Prometheus](http://prometheus.io) [exporters][exporter]. This repository is meant to be used in combination with the [client_golang][client_golang] repository. If you are [instrumenting][instrumentation] an existing Go application, [client_golang][client_golang] is the repository you are looking for. **This repository is currently WIP and experimental.** [circleci]:https://circleci.com/gh/prometheus/exporter-toolkit [client_golang]:https://github.com/prometheus/client_golang [exporter]:https://prometheus.io/docs/introduction/glossary/#exporter [godoc]:https://godoc.org/github.com/prometheus/exporter-toolkit [goreportcard]:https://goreportcard.com/report/github.com/prometheus/exporter-toolkit [instrumentation]:https://prometheus.io/docs/introduction/glossary/#direct-instrumentation