diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 42c3be366..1cbfa7936 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -40,11 +40,11 @@ jobs:
       - name: Install ubuntu packages
         run: shotover-proxy/build/install_ubuntu_packages.sh
       - name: Install cargo-hack
-        run: cargo install cargo-hack --version 0.5.8
+        run: cargo install cargo-hack --version 0.6.16
       - name: Ensure that dev tools compiles and has no warnings with no features enabled
         run: cargo clippy --locked ${{ matrix.cargo_flags }} --all-targets -- -D warnings
       - name: Ensure that shotover-proxy compiles and has no warnings under every possible combination of features
         # some things to explicitly point out:
         # * clippy also reports rustc warnings and errors
         # * clippy --all-targets is not run so we only build the shotover_proxy executable without the tests/benches
-        run: cargo hack --feature-powerset clippy --locked ${{ matrix.cargo_flags }} --package shotover-proxy -- -D warnings
+        run: cargo hack --feature-powerset --at-least-one-of redis,cassandra,kafka,opensearch clippy --locked ${{ matrix.cargo_flags }} --package shotover-proxy -- -D warnings
diff --git a/shotover-proxy/Cargo.toml b/shotover-proxy/Cargo.toml
index 995db8826..ccc8c4f30 100644
--- a/shotover-proxy/Cargo.toml
+++ b/shotover-proxy/Cargo.toml
@@ -63,7 +63,7 @@ alpha-transforms = ["shotover/alpha-transforms"]
 cassandra = ["shotover/cassandra"]
 kafka = ["shotover/kafka"]
 redis = ["shotover/redis"]
-opensearch = []
+opensearch = ["shotover/opensearch"]
 cassandra-cpp-driver-tests = ["test-helpers/cassandra-cpp-driver-tests"]
 rdkafka-driver-tests = ["test-helpers/rdkafka-driver-tests"]
 default = ["cassandra", "kafka", "redis", "opensearch"]
diff --git a/shotover/Cargo.toml b/shotover/Cargo.toml
index b9d0e3037..a617d7816 100644
--- a/shotover/Cargo.toml
+++ b/shotover/Cargo.toml
@@ -19,10 +19,25 @@ cassandra = [
     "dep:version-compare",
     "dep:aws-sdk-kms",
     "dep:aws-config",
+    "dep:base64",
+    "dep:serde_json",
+    "dep:halfbrown",
+    "dep:chacha20poly1305",
+    "dep:generic-array",
 ]
-kafka = ["dep:kafka-protocol", "dep:dashmap", "dep:xxhash-rust"]
-redis = ["dep:redis-protocol", "dep:csv"]
-default = ["cassandra", "redis", "kafka"]
+kafka = [
+    "dep:kafka-protocol",
+    "dep:dashmap",
+    "dep:xxhash-rust",
+    "dep:string"
+]
+redis = [
+    "dep:redis-protocol",
+    "dep:csv",
+    "dep:crc16"
+]
+opensearch = ["dep:atoi"]
+default = ["cassandra", "redis", "kafka", "opensearch"]
 
 [dependencies]
 atomic_enum = "0.2.0"
@@ -58,13 +73,13 @@ backtrace-ext = "0.2"
 # Parsers
 cql3-parser = { version = "0.4.0", optional = true }
 serde.workspace = true
-serde_json.workspace = true
+serde_json = { workspace = true, optional = true }
 serde_yaml.workspace = true
 bincode.workspace = true
 num = { version = "0.4.0", features = ["serde"] }
 uuid = { workspace = true }
 bigdecimal = { version = "0.4.0", features = ["serde"] }
-base64 = "0.21.0"
+base64 = { version = "0.21.0", optional = true }
 httparse = "1.8.0"
 http = "0.2.9"
 
@@ -75,36 +90,36 @@ tracing.workspace = true
 tracing-subscriber.workspace = true
 tracing-appender.workspace = true
 hyper.workspace = true
-halfbrown = "0.2.1"
+halfbrown = { version = "0.2.1", optional = true }
 
 # Transform dependencies
 redis-protocol = { workspace = true, optional = true }
 cassandra-protocol = { workspace = true, optional = true }
-crc16 = "0.4.0"
+crc16 = { version = "0.4.0", optional = true }
 ordered-float.workspace = true
 
 #Crypto
 aws-config = { version = "1.0.0", optional = true }
 aws-sdk-kms = { version = "1.1.0", optional = true }
 strum_macros = "0.26"
-chacha20poly1305 = { version = "0.10.0", features = ["std"] }
-generic-array = { version = "0.14", features = ["serde"] }
+chacha20poly1305 = { version = "0.10.0", features = ["std"], optional = true }
+generic-array = { version = "0.14", features = ["serde"], optional = true }
 kafka-protocol = { version = "0.8.0", optional = true }
 rustls = { version = "0.22.0" }
 tokio-rustls = "0.25"
 rustls-pemfile = "2.0.0"
 rustls-pki-types = "1.0.1"
-string = "0.3.0"
+string = { version = "0.3.0", optional = true }
 xxhash-rust = { version = "0.8.6", features = ["xxh3"], optional = true }
 dashmap = { version = "5.4.0", optional = true }
-atoi = "2.0.0"
+atoi = { version = "2.0.0", optional = true }
 
 [dev-dependencies]
 criterion = { version = "0.5.0", features = ["async_tokio"] }
 hex-literal.workspace = true
 
-# TODO: Optionionally compiling benches is quite tricky with criterion, maybe it would be easier with divan?
-#       For now just set requried features
+# TODO: Optionally compiling benches is quite tricky with criterion, maybe it would be easier with divan?
+#       For now just set required features
 [[bench]]
 name = "benches"
 harness = false
diff --git a/shotover/src/codec/mod.rs b/shotover/src/codec/mod.rs
index d4b10db81..76f2a89a7 100644
--- a/shotover/src/codec/mod.rs
+++ b/shotover/src/codec/mod.rs
@@ -13,6 +13,7 @@ use tokio_util::codec::{Decoder, Encoder};
 pub mod cassandra;
 #[cfg(feature = "kafka")]
 pub mod kafka;
+#[cfg(feature = "opensearch")]
 pub mod opensearch;
 #[cfg(feature = "redis")]
 pub mod redis;
@@ -56,6 +57,7 @@ pub enum CodecState {
         request_header: Option<RequestHeader>,
     },
     Dummy,
+    #[cfg(feature = "opensearch")]
     OpenSearch,
 }
 
diff --git a/shotover/src/frame/mod.rs b/shotover/src/frame/mod.rs
index ea5822410..a318ab85e 100644
--- a/shotover/src/frame/mod.rs
+++ b/shotover/src/frame/mod.rs
@@ -32,6 +32,7 @@ pub enum MessageType {
     #[cfg(feature = "kafka")]
     Kafka,
     Dummy,
+    #[cfg(feature = "opensearch")]
     OpenSearch,
 }
 
@@ -44,6 +45,7 @@ impl From<&ProtocolType> for MessageType {
             ProtocolType::Redis => Self::Redis,
             #[cfg(feature = "kafka")]
             ProtocolType::Kafka { .. } => Self::Kafka,
+            #[cfg(feature = "opensearch")]
             ProtocolType::OpenSearch => Self::OpenSearch,
         }
     }
@@ -63,6 +65,7 @@ impl Frame {
                 request_header: None,
             },
             Frame::Dummy => CodecState::Dummy,
+            #[cfg(feature = "opensearch")]
             Frame::OpenSearch(_) => CodecState::OpenSearch,
         }
     }
@@ -79,6 +82,7 @@ pub enum Frame {
     /// Represents a message that has must exist due to shotovers requirement that every request has a corresponding response.
     /// It exists purely to keep transform invariants and codecs will completely ignore this frame when they receive it
     Dummy,
+    #[cfg(feature = "opensearch")]
     OpenSearch(OpenSearchFrame),
 }
 
@@ -86,12 +90,12 @@ impl Frame {
     pub fn from_bytes(
         bytes: Bytes,
         message_type: MessageType,
-        _codec_state: CodecState,
+        codec_state: CodecState,
     ) -> Result<Self> {
         match message_type {
             #[cfg(feature = "cassandra")]
             MessageType::Cassandra => {
-                CassandraFrame::from_bytes(bytes, _codec_state.as_cassandra()).map(Frame::Cassandra)
+                CassandraFrame::from_bytes(bytes, codec_state.as_cassandra()).map(Frame::Cassandra)
             }
             #[cfg(feature = "redis")]
             MessageType::Redis => redis_protocol::resp2::decode::decode(&bytes)
@@ -99,9 +103,10 @@ impl Frame {
                 .map_err(|e| anyhow!("{e:?}")),
             #[cfg(feature = "kafka")]
             MessageType::Kafka => {
-                KafkaFrame::from_bytes(bytes, _codec_state.as_kafka()).map(Frame::Kafka)
+                KafkaFrame::from_bytes(bytes, codec_state.as_kafka()).map(Frame::Kafka)
             }
             MessageType::Dummy => Ok(Frame::Dummy),
+            #[cfg(feature = "opensearch")]
             MessageType::OpenSearch => Ok(Frame::OpenSearch(OpenSearchFrame::from_bytes(&bytes)?)),
         }
     }
@@ -115,6 +120,7 @@ impl Frame {
             #[cfg(feature = "kafka")]
             Frame::Kafka(_) => "Kafka",
             Frame::Dummy => "Dummy",
+            #[cfg(feature = "opensearch")]
             Frame::OpenSearch(_) => "OpenSearch",
         }
     }
@@ -128,6 +134,7 @@ impl Frame {
             #[cfg(feature = "kafka")]
             Frame::Kafka(_) => MessageType::Kafka,
             Frame::Dummy => MessageType::Dummy,
+            #[cfg(feature = "opensearch")]
             Frame::OpenSearch(_) => MessageType::OpenSearch,
         }
     }
@@ -179,6 +186,7 @@ impl Frame {
 
     pub fn into_opensearch(self) -> Result<OpenSearchFrame> {
         match self {
+            #[cfg(feature = "opensearch")]
             Frame::OpenSearch(frame) => Ok(frame),
             frame => Err(anyhow!(
                 "Expected opensearch frame but received {} frame",
@@ -198,6 +206,7 @@ impl Display for Frame {
             #[cfg(feature = "kafka")]
             Frame::Kafka(frame) => write!(f, "Kafka {}", frame),
             Frame::Dummy => write!(f, "Shotover internal dummy message"),
+            #[cfg(feature = "opensearch")]
             Frame::OpenSearch(frame) => write!(f, "OpenSearch: {:?}", frame),
         }
     }
diff --git a/shotover/src/lib.rs b/shotover/src/lib.rs
index 23ca08f2e..921b6efd4 100644
--- a/shotover/src/lib.rs
+++ b/shotover/src/lib.rs
@@ -35,10 +35,20 @@
     any(
         not(feature = "cassandra"),
         not(feature = "redis"),
-        not(feature = "kafka")
+        not(feature = "kafka"),
+        not(feature = "opensearch"),
     ),
-    allow(dead_code, unused_imports)
+    allow(dead_code, unused_imports, unused_variables)
 )]
+#[cfg(all(
+    not(feature = "cassandra"),
+    not(feature = "redis"),
+    not(feature = "kafka"),
+    not(feature = "opensearch"),
+))]
+compile_error!(
+    "At least one protocol feature must be enabled, e.g. `cassandra`, `redis`, `kafka` or `opensearch`"
+);
 
 pub mod codec;
 pub mod config;
diff --git a/shotover/src/message/mod.rs b/shotover/src/message/mod.rs
index 971207094..0f51260f5 100644
--- a/shotover/src/message/mod.rs
+++ b/shotover/src/message/mod.rs
@@ -36,21 +36,21 @@ pub enum Metadata {
     Redis,
     #[cfg(feature = "kafka")]
     Kafka,
+    #[cfg(feature = "opensearch")]
     OpenSearch,
 }
 
 #[derive(PartialEq)]
 pub enum ProtocolType {
     #[cfg(feature = "cassandra")]
-    Cassandra {
-        compression: Compression,
-    },
+    Cassandra { compression: Compression },
     #[cfg(feature = "redis")]
     Redis,
     #[cfg(feature = "kafka")]
     Kafka {
         request_header: Option<RequestHeader>,
     },
+    #[cfg(feature = "opensearch")]
     OpenSearch,
 }
 
@@ -67,6 +67,7 @@ impl From<&ProtocolType> for CodecState {
             ProtocolType::Kafka { request_header } => Self::Kafka {
                 request_header: *request_header,
             },
+            #[cfg(feature = "opensearch")]
             ProtocolType::OpenSearch => Self::OpenSearch,
         }
     }
@@ -275,6 +276,7 @@ impl Message {
                 #[cfg(feature = "kafka")]
                 MessageType::Kafka => todo!(),
                 MessageType::Dummy => nonzero!(1u32),
+                #[cfg(feature = "opensearch")]
                 MessageType::OpenSearch => todo!(),
             },
             MessageInner::Modified { frame } | MessageInner::Parsed { frame, .. } => match frame {
@@ -285,6 +287,7 @@ impl Message {
                 #[cfg(feature = "kafka")]
                 Frame::Kafka(_) => todo!(),
                 Frame::Dummy => nonzero!(1u32),
+                #[cfg(feature = "opensearch")]
                 Frame::OpenSearch(_) => todo!(),
             },
         })
@@ -312,6 +315,7 @@ impl Message {
             #[cfg(feature = "kafka")]
             Some(Frame::Kafka(_)) => todo!(),
             Some(Frame::Dummy) => todo!(),
+            #[cfg(feature = "opensearch")]
             Some(Frame::OpenSearch(_)) => todo!(),
             None => QueryType::ReadWrite,
         }
@@ -350,6 +354,7 @@ impl Message {
             Metadata::Kafka => return Err(anyhow!(_error).context(
                 "A generic error cannot be formed because the kafka protocol does not support it",
             )),
+    #[cfg(feature = "opensearch")]
             Metadata::OpenSearch => unimplemented!()
         }))
     }
@@ -372,6 +377,7 @@ impl Message {
                 #[cfg(feature = "kafka")]
                 MessageType::Kafka => Ok(Metadata::Kafka),
                 MessageType::Dummy => Err(anyhow!("Dummy has no metadata")),
+                #[cfg(feature = "opensearch")]
                 MessageType::OpenSearch => Err(anyhow!("OpenSearch has no metadata")),
             },
             MessageInner::Parsed { frame, .. } | MessageInner::Modified { frame } => match frame {
@@ -382,6 +388,7 @@ impl Message {
                 #[cfg(feature = "redis")]
                 Frame::Redis(_) => Ok(Metadata::Redis),
                 Frame::Dummy => Err(anyhow!("dummy has no metadata")),
+                #[cfg(feature = "opensearch")]
                 Frame::OpenSearch(_) => Err(anyhow!("OpenSearch has no metadata")),
             },
         }
@@ -412,6 +419,7 @@ impl Message {
                 Metadata::Redis => unimplemented!(),
                 #[cfg(feature = "kafka")]
                 Metadata::Kafka => unimplemented!(),
+                #[cfg(feature = "opensearch")]
                 Metadata::OpenSearch => unimplemented!(),
             },
             // reachable with feature = cassandra
@@ -451,6 +459,7 @@ impl Message {
                     #[cfg(feature = "kafka")]
                     Frame::Kafka(_) => None,
                     Frame::Dummy => None,
+                    #[cfg(feature = "opensearch")]
                     Frame::OpenSearch(_) => None,
                 }
             }
diff --git a/shotover/src/sources/mod.rs b/shotover/src/sources/mod.rs
index 91d587190..3a32c1a33 100644
--- a/shotover/src/sources/mod.rs
+++ b/shotover/src/sources/mod.rs
@@ -4,6 +4,7 @@
 use crate::sources::cassandra::{CassandraConfig, CassandraSource};
 #[cfg(feature = "kafka")]
 use crate::sources::kafka::{KafkaConfig, KafkaSource};
+#[cfg(feature = "opensearch")]
 use crate::sources::opensearch::{OpenSearchConfig, OpenSearchSource};
 #[cfg(feature = "redis")]
 use crate::sources::redis::{RedisConfig, RedisSource};
@@ -16,6 +17,7 @@ use tokio::task::JoinHandle;
 pub mod cassandra;
 #[cfg(feature = "kafka")]
 pub mod kafka;
+#[cfg(feature = "opensearch")]
 pub mod opensearch;
 #[cfg(feature = "redis")]
 pub mod redis;
@@ -35,6 +37,7 @@ pub enum Source {
     Redis(RedisSource),
     #[cfg(feature = "kafka")]
     Kafka(KafkaSource),
+    #[cfg(feature = "opensearch")]
     OpenSearch(OpenSearchSource),
 }
 
@@ -47,6 +50,7 @@ impl Source {
             Source::Redis(r) => r.join_handle,
             #[cfg(feature = "kafka")]
             Source::Kafka(r) => r.join_handle,
+            #[cfg(feature = "opensearch")]
             Source::OpenSearch(o) => o.join_handle,
         }
     }
@@ -61,6 +65,7 @@ pub enum SourceConfig {
     Redis(RedisConfig),
     #[cfg(feature = "kafka")]
     Kafka(KafkaConfig),
+    #[cfg(feature = "opensearch")]
     OpenSearch(OpenSearchConfig),
 }
 
@@ -76,6 +81,7 @@ impl SourceConfig {
             SourceConfig::Redis(r) => r.get_source(trigger_shutdown_rx).await,
             #[cfg(feature = "kafka")]
             SourceConfig::Kafka(r) => r.get_source(trigger_shutdown_rx).await,
+            #[cfg(feature = "opensearch")]
             SourceConfig::OpenSearch(r) => r.get_source(trigger_shutdown_rx).await,
         }
     }
diff --git a/shotover/src/transforms/mod.rs b/shotover/src/transforms/mod.rs
index 3909645a6..b710d5ebc 100644
--- a/shotover/src/transforms/mod.rs
+++ b/shotover/src/transforms/mod.rs
@@ -23,7 +23,7 @@ use crate::transforms::kafka::sink_single::KafkaSinkSingle;
 use crate::transforms::load_balance::ConnectionBalanceAndPool;
 use crate::transforms::loopback::Loopback;
 use crate::transforms::null::NullSink;
-#[cfg(feature = "alpha-transforms")]
+#[cfg(all(feature = "alpha-transforms", feature = "opensearch"))]
 use crate::transforms::opensearch::OpenSearchSinkSingle;
 use crate::transforms::parallel_map::ParallelMap;
 #[cfg(feature = "cassandra")]
@@ -70,7 +70,7 @@ pub mod load_balance;
 pub mod loopback;
 pub mod noop;
 pub mod null;
-#[cfg(feature = "alpha-transforms")]
+#[cfg(all(feature = "alpha-transforms", feature = "opensearch"))]
 pub mod opensearch;
 pub mod parallel_map;
 #[cfg(feature = "cassandra")]
@@ -148,7 +148,7 @@ pub enum Transforms {
     QueryCounter(QueryCounter),
     RequestThrottling(RequestThrottling),
     Custom(Box<dyn Transform>),
-    #[cfg(feature = "alpha-transforms")]
+    #[cfg(all(feature = "alpha-transforms", feature = "opensearch"))]
     OpenSearchSinkSingle(OpenSearchSinkSingle),
 }
 
@@ -200,7 +200,7 @@ impl Transforms {
             Transforms::QueryCounter(s) => s.transform(requests_wrapper).await,
             Transforms::RequestThrottling(s) => s.transform(requests_wrapper).await,
             Transforms::Custom(s) => s.transform(requests_wrapper).await,
-            #[cfg(feature = "alpha-transforms")]
+            #[cfg(all(feature = "alpha-transforms", feature = "opensearch"))]
             Transforms::OpenSearchSinkSingle(s) => s.transform(requests_wrapper).await,
         }
     }
@@ -248,7 +248,7 @@ impl Transforms {
             Transforms::QueryCounter(s) => s.transform_pushed(requests_wrapper).await,
             Transforms::RequestThrottling(s) => s.transform_pushed(requests_wrapper).await,
             Transforms::Custom(s) => s.transform_pushed(requests_wrapper).await,
-            #[cfg(feature = "alpha-transforms")]
+            #[cfg(all(feature = "alpha-transforms", feature = "opensearch"))]
             Transforms::OpenSearchSinkSingle(s) => s.transform_pushed(requests_wrapper).await,
         }
     }
@@ -300,7 +300,7 @@ impl Transforms {
             Transforms::DebugRandomDelay(d) => d.set_pushed_messages_tx(pushed_messages_tx),
             Transforms::RequestThrottling(d) => d.set_pushed_messages_tx(pushed_messages_tx),
             Transforms::Custom(d) => d.set_pushed_messages_tx(pushed_messages_tx),
-            #[cfg(feature = "alpha-transforms")]
+            #[cfg(all(feature = "alpha-transforms", feature = "opensearch"))]
             Transforms::OpenSearchSinkSingle(s) => s.set_pushed_messages_tx(pushed_messages_tx),
         }
     }
diff --git a/shotover/src/transforms/query_counter.rs b/shotover/src/transforms/query_counter.rs
index 8374a3fd8..153314cd3 100644
--- a/shotover/src/transforms/query_counter.rs
+++ b/shotover/src/transforms/query_counter.rs
@@ -84,6 +84,7 @@ impl Transform for QueryCounter {
                 Some(Frame::Dummy) => {
                     // Dummy does not count as a message
                 }
+                #[cfg(feature = "opensearch")]
                 Some(Frame::OpenSearch(_)) => {
                     todo!();
                 }