{"command":{"effect":"read","timeoutSeconds":30,"inputSchema":{"type":"object","properties":{"bucketName":{"type":"string","title":"Bucket name","minLength":1,"maxLength":2000,"pattern":"^[a-z0-9][a-z0-9-]{1,61}[a-z0-9]$"},"limit":{"type":"integer","title":"Namespaces per page","minimum":1,"maximum":1000},"pageToken":{"type":"string","title":"Next page token","minLength":1,"maxLength":2000},"parent":{"type":"array","title":"Parent namespace path","items":{"type":"string","title":"Namespace segment","minLength":1,"maxLength":2000},"minItems":1,"maxItems":20,"uniqueItems":true},"returnDetails":{"type":"boolean","title":"Include details"},"returnUuids":{"type":"boolean","title":"Include UUIDs"}},"required":["bucketName"],"additionalProperties":false},"name":"Browse namespaces","id":"r2.listNamespaces","example":{"bucketName":"example-bucket"},"maxRequests":1,"summary":false}}