Check Kafka Connect Availability

 kcctl get plugins

 TYPE     CLASS                                                       VERSION
 sink     com.milvus.io.kafka.MilvusSinkConnector                     1.0.1
 sink     com.mongodb.kafka.connect.MongoSinkConnector                1.13.0
 sink     com.snowflake.kafka.connector.SnowflakeSinkConnector        2.4.1
 sink     com.wepay.kafka.connect.bigquery.BigQuerySinkConnector      2.5.7
 sink     io.aiven.connect.elasticsearch.ElasticsearchSinkConnector   7.0.0
 sink     io.aiven.connect.jdbc.JdbcSinkConnector                     6.10.0
 sink     io.debezium.connector.jdbc.JdbcSinkConnector                3.2.0.Final
 sink     io.tabular.iceberg.connect.IcebergSinkConnector             0.6.19
 source   com.mongodb.kafka.connect.MongoSourceConnector              1.13.0
 source   io.aiven.connect.jdbc.JdbcSourceConnector                   6.10.0
 source   io.confluent.kafka.connect.datagen.DatagenConnector         0.6.5
 source   io.debezium.connector.mongodb.MongoDbConnector              3.2.0.Final
 source   io.debezium.connector.mysql.MySqlConnector                  3.2.0.Final
 source   io.debezium.connector.postgresql.PostgresConnector          3.2.0.Final
 source   io.debezium.connector.sqlserver.SqlServerConnector          3.2.0.Final
 source   io.debezium.connector.yugabytedb.YugabyteDBConnector        1.9.5.y.220.3
 source   io.jrnd.kafka.connect.connector.JRSourceConnector           0.4.0

curl  "https://public%2Fdefault:${APIKEY}@${KAFKA-SERVICE-URL}/admin/kafkaconnect/connector-plugins" | jq '.'

[
    {
        "class": "io.debezium.connector.mongodb.MongoDbConnector",
        "type": "source",
        "version": "3.2.0.Final"
    },
    {
        "class": "io.aiven.connect.jdbc.JdbcSinkConnector",
        "type": "sink",
        "version": "6.10.0"
    },
    {
        "class": "io.debezium.connector.yugabytedb.YugabyteDBConnector",
        "type": "source",
        "version": "1.9.5.y.220.3"
    },
    {
        "class": "io.confluent.kafka.connect.datagen.DatagenConnector",
        "type": "source",
        "version": "0.6.5"
    },
    {
        "class": "io.debezium.connector.postgresql.PostgresConnector",
        "type": "source",
        "version": "3.2.0.Final"
    },
    {
        "class": "io.debezium.connector.mysql.MySqlConnector",
        "type": "source",
        "version": "3.2.0.Final"
    },
    {
        "class": "io.debezium.connector.sqlserver.SqlServerConnector",
        "type": "source",
        "version": "3.2.0.Final"
    },
    {
        "class": "io.jrnd.kafka.connect.connector.JRSourceConnector",
        "type": "source",
        "version": "0.4.0"
    },
    {
        "class": "com.milvus.io.kafka.MilvusSinkConnector",
        "type": "sink",
        "version": "1.0.1"
    },
    {
        "class": "io.tabular.iceberg.connect.IcebergSinkConnector",
        "type": "sink",
        "version": "0.6.19"
    },
    {
        "class": "com.mongodb.kafka.connect.MongoSinkConnector",
        "type": "sink",
        "version": "1.13.0"
    },
    {
        "class": "com.wepay.kafka.connect.bigquery.BigQuerySinkConnector",
        "type": "sink",
        "version": "2.5.7"
    },
    {
        "class": "io.aiven.connect.jdbc.JdbcSourceConnector",
        "type": "source",
        "version": "6.10.0"
    },
    {
        "class": "io.debezium.connector.jdbc.JdbcSinkConnector",
        "type": "sink",
        "version": "3.2.0.Final"
    },
    {
        "class": "com.snowflake.kafka.connector.SnowflakeSinkConnector",
        "type": "sink",
        "version": "2.4.1"
    },
    {
        "class": "io.aiven.connect.elasticsearch.ElasticsearchSinkConnector",
        "type": "sink",
        "version": "7.0.0"
    },
    {
        "class": "com.mongodb.kafka.connect.MongoSourceConnector",
        "type": "source",
        "version": "1.13.0"
    }
]