Format compatibility

See not only which formats exist, but how far support goes.

We use native support only when real package-client acceptance tests pass. Raw is labeled generic storage; Hugging Face is labeled limited compatibility.

FormatEcosystemRepository modeVerified flowSupport level and boundary
MavenJVMHosted / Proxy / GroupDeploy and resolve with Maven 3.9Client-verifiedRelease, snapshot, and plugin metadata flows
npmJavaScriptHosted / Proxy / GroupPublish, install, view, and package lifecycleClient-verifiedIncludes dist-tag, deprecate, search, and unpublish
PyPIPythonHosted / Proxy / GroupTwine upload and pip downloadClient-verifiedPEP 503 and PEP 691 index flows
NuGet.NETHosted / Proxy / Groupdotnet push, restore, and searchClient-verifiedNuGet v3; includes unlist and relist
HelmKubernetesHosted / Proxy / GroupClassic chart repository and helm pullClient-verifiedHelm OCI flows are covered by Docker/OCI
Docker / OCICloud nativeHosted / Proxy / GroupRegistry v2 push and pullClient-verifiedNo cross-repository mount optimization or manifest GC
YUM / DNFRPM LinuxHosted / Proxy / Grouprpm-md metadata and dependency installClient-verifiedRepository signing is optional
APTDebian LinuxHosted / Proxy / GroupAPT metadata and dependency downloadClient-verifiedRepository signing is optional
GoGoHosted / Proxy / Groupgo mod download and proxy resolutionClient-verifiedNo native publish; hosted content is uploaded through the API
RubyGemsRubyHosted / Proxy / GroupPush, yank, install, and BundlerClient-verifiedCompact index flows
CargoRustHosted / Proxy / GroupPublish, fetch, and yankClient-verifiedSparse registry protocol
CondaPython / DataHosted / Proxy / GroupConda/Micromamba channel resolutionClient-verifiedChannel metadata and package install
ConanC / C++Hosted / Proxy / GroupConan v2 upload, list, and installClient-verifiedConan v2 client flows
TerraformInfrastructureHosted / Proxy / GroupProvider network mirror and terraform initClient-verifiedNot an origin or module registry
SwiftAppleHosted / Proxy / GroupPackage Registry v1 publish and resolveClient-verifiedSwift Package Registry v1 scope
Git LFSGitHosted / Proxy / GroupBatch API, basic transfer, and locksClient-verifiedNo SSH discovery, custom adapters, or range responses
RawGenericHosted / Proxy / GroupPath-based upload, download, and proxyGeneric storageGeneric storage without native package discovery
Hugging FaceML / AIHosted / Proxy / GroupModel/dataset info, tree, and resolve downloadLimited compatibilityNo commit, upload, repository lifecycle, Git/Xet, or inference API

Technical evaluation

Evaluate your package flow on Smart Kubaba.

Let’s review your formats, deployment, and security policies together.