---
title: Contrib Operators
parent: Operators
grand_parent: Reference
nav_order: 2
---

The contrib operator schemas are documented in the ONNX Runtime repository.

| Release | Documentation |
|---------|---------------|
| Current master | [https://github.com/microsoft/onnxruntime/blob/master/docs/ContribOperators.md](https://github.com/microsoft/onnxruntime/blob/master/docs/ContribOperators.md) |
| 1.7 | [https://github.com/microsoft/onnxruntime/blob/rel-1.7.0/docs/ContribOperators.md](https://github.com/microsoft/onnxruntime/blob/rel-1.7.0/docs/ContribOperators.md)|