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Aggregates Software Security Metadata Into A High Fidelity Graph Database

Table of Contents

Note: GUAC is under active development – if you are interested in contributing, please look at contributor guide and the “express interest” issue

Graph for Understanding Artifact Composition (GUAC) aggregates software security metadata into a high fidelity graph database—normalizing entity identities and mapping standard relationships between them. Querying this graph can drive higher-level organizational outcomes such as audit, policy, risk management, and even developer assistance.

Conceptually, GUAC occupies the “aggregation and synthesis” layer of the software supply chain transparency logical model:

A few examples of questions answered by GUAC include:


Refer to the Setup + Demo document to learn how to prepare your environment and try GUAC out!


Here is an overview of the architecture of GUAC:

Supported input formats

Additional References


We encourage discussions to be done on github issues. We also have a public slack channel on the OpenSSF slack.

For security issues or code of conduct concerns, an e-mail should be sent to [email protected].


Information about governance can be found here.

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