Open Contributions Descriptor

adulau · February 23, 2026, 10:28am

The specification are now published on the following repository:

Some tooling is also available such as a converter from GitHub organisation and a validator using the JSON schema.

As an example, the following two open source projects already use the format:

And a registration has been requested for the IANA update list of open-contributions.json

github.com/protocol-registries/well-known-uris

Registration request: open-contributions.json

opened 10:05AM - 23 Feb 26 UTC

adulau

new registration

Please confirm that: * [X] You have read and understood the [requirements for r…egistration](https://tools.ietf.org/html/rfc8615#section-3.1). * [X] You have checked [the registry](https://www.iana.org/assignments/well-known-uris/) and found no current value that meets your needs. * [X] Your specification reference URL is stable; ideally, managed by a widely-recognised standards development organisation (e.g., published as an RFC). Otherwise, please give additional information. If so, please enter the details of the well-known URI below: * URI suffix: `open-contributions.json` * Change controller: OSSBASE - https://github.com/ossbase-org * Specification document(s): [https://github.com/ossbase-org/Open-Contributions-Descriptor/blob/main/format.md](https://github.com/ossbase-org/Open-Contributions-Descriptor/blob/main/format.md) Any additional information (this will not be included in the registry)? The Open Contributions Descriptor (OCD) is a machine-readable JSON format that allows an organization to describe its participation in the open ecosystem including open source, open data, open standards.