General information about CMR is viewable on the CMR Overview Page.

Information about the UMM and its relationship to CMR is accessible on the Unified Metadata Model Information Page

EOSDIS Client and Developer Information is available on the EOSDIS Client and Developer Page 

The CMR Data Partner User Guide and the Metadata Management Tool (MMT) User's Guide are available for reference.

The CMR Client Partner user guide and Client Developer API Documentation is accessible from the CMR Client Documentation Page.

To participate in a collaborative environment where client developers, users, and CMR maintainers ask questions, make suggestions, and discuss related topics, visit the CMR Client Developers Forum

Attn Developers - Interested in building a client to the CMR? Visit the CMR Developer Portal to get started.

CMR / UMM Links


Other Documentation


Questions, comments, technical issues, and change requests should be sent to: support@earthdata.nasa.gov







Purpose of the Wiki

This wiki is intended strictly for the use of sharing information about NASA Earth Observing Systems Data and Information System (EOSDIS) topics. For more information please click here .

We welcome your participation and comments within Earthdata Wiki.

Rules of Conduct

Earthdata Wiki is governed by the general rules of respectful civil discussion. EOSDIS may monitor any user-generated content as it chooses and reserves the right to remove content for any reason whatsoever, without consent. The following rules of conduct are to be followed when using the Earthdata Wiki. Breach of these rules will result in users loses privileges or being banned permanently.

Participation requires a valid Earthdata Login. Only approved NASA users and affiliates will be allowed to upload data. If a wiki space becomes dormant for a period of more than 2 years, ESDIS reserves the right to delete/remove it.

In order to maintain an environment where everyone is welcome and discussion flows freely, certain types of conduct are prohibited on Earthdata Wiki. Specifically restricted conduct includes trolling, flaming, ranting, personal attacks, harassment, threats, doxing, racism, discrimination, hate speech, sexism, spamming, off-topic posting, pyramid quoting, rumor mongering, impersonation, advertising (including HTML links and pictures), and linking to applications or utilities of uncertain intent.

In addition, the Earthdata Wiki is not for discussion of real-life current affairs, news, politics, or religion. Discussion should revolve around EOSDIS topics. Specific content prohibited on Earthdata Wiki includes pornography, profanity, and real money trading (RMT).


NASA makes no representations or warranties regarding the information posted.

CMR Project Home

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CMR Git Repository

EED-2 Open Sourcing Guide

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