MCAP is a modular container file format for pub/sub messages with arbitrary message serialization. It is primarily intended for use in robotics applications, and works well under various workloads, resource constraints, and durability requirements.
As a robotics tooling company, we encounter a lot of different approaches to recording robotics data for analysis, debugging, event review, ML training, and more. We've distilled a common set of requirements from talking with customers and looking at existing approaches, and this is our effort to give back to the community by releasing an open-source (and patent-free) file format with several programming language implementations.
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