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Buf Studio vs grpc-client-cli: catalog facts
Buf Studio	grpc-client-cli
Free Used on the Buf website; check Buf for current terms of the wider Schema Registry.	Free Free to download from its GitHub repository.
Web	macOS, Linux, Command line
Sends gRPC and Connect requests from a browser Works with schemas in the Buf Schema Registry	Discovers services and methods through gRPC reflection Works with proto files when reflection is off
Limited to Protobuf-based APIs Few details on features or pricing in the available research	Command-line only, no graphical interface Smaller project with a single main maintainer
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.