diff --git a/Cargo.lock b/Cargo.lock
index 86d21a2d..e3a37e2a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -925,10 +925,11 @@ dependencies = [
 name = "dora-core"
 version = "0.1.0"
 dependencies = [
- "dora-node-api",
  "eyre",
+ "once_cell",
  "serde",
  "serde_yaml 0.9.11",
+ "zenoh-config",
 ]
 
 [[package]]
@@ -966,6 +967,7 @@ version = "0.1.0"
 dependencies = [
  "capnp",
  "communication-layer-pub-sub",
+ "dora-core",
  "dora-message",
  "eyre",
  "flume",
diff --git a/apis/python/node/src/lib.rs b/apis/python/node/src/lib.rs
index 7fec3e78..0c5cc7b7 100644
--- a/apis/python/node/src/lib.rs
+++ b/apis/python/node/src/lib.rs
@@ -1,6 +1,6 @@
 #![allow(clippy::borrow_deref_ref)] // clippy warns about code generated by #[pymethods]
 
-use dora_node_api::{config::NodeId, DoraNode, Input};
+use dora_node_api::{core::config::NodeId, DoraNode, Input};
 use dora_operator_api_python::{metadata_to_pydict, pydict_to_metadata};
 use eyre::{Context, Result};
 use flume::Receiver;
diff --git a/apis/rust/node/Cargo.toml b/apis/rust/node/Cargo.toml
index bffebcd0..bc7f2f34 100644
--- a/apis/rust/node/Cargo.toml
+++ b/apis/rust/node/Cargo.toml
@@ -23,6 +23,7 @@ communication-layer-pub-sub = { path = "../../../libraries/communication-layer",
 uuid = { version = "1.1.2", features = ["v4"] }
 capnp = "0.14.9"
 dora-message = { path = "../../../libraries/message" }
+dora-core = { path = "../../../libraries/core" }
 
 [dev-dependencies]
 tokio = { version = "1.17.0", features = ["rt"] }
diff --git a/apis/rust/node/src/communication.rs b/apis/rust/node/src/communication.rs
index 49022022..c9245b7f 100644
--- a/apis/rust/node/src/communication.rs
+++ b/apis/rust/node/src/communication.rs
@@ -1,11 +1,8 @@
+use crate::BoxError;
 use communication_layer_pub_sub::ReceivedSample;
 pub use communication_layer_pub_sub::{CommunicationLayer, Publisher, Subscriber};
+use dora_core::config::{CommunicationConfig, DataId, InputMapping, NodeId, OperatorId};
 use dora_message::Metadata;
-
-use crate::{
-    config::{CommunicationConfig, DataId, InputMapping, NodeId, OperatorId},
-    BoxError,
-};
 use eyre::Context;
 use std::{
     borrow::Cow,
diff --git a/apis/rust/node/src/lib.rs b/apis/rust/node/src/lib.rs
index b75e7306..8fa5350e 100644
--- a/apis/rust/node/src/lib.rs
+++ b/apis/rust/node/src/lib.rs
@@ -1,14 +1,13 @@
 pub use communication::Input;
-pub use dora_message::Metadata;
-pub use flume::Receiver;
-
 use communication::STOP_TOPIC;
 use communication_layer_pub_sub::CommunicationLayer;
-use config::{CommunicationConfig, DataId, NodeId, NodeRunConfig};
+pub use dora_core as core;
+use dora_core::config::{CommunicationConfig, DataId, NodeId, NodeRunConfig};
+pub use dora_message::Metadata;
 use eyre::WrapErr;
+pub use flume::Receiver;
 
 pub mod communication;
-pub mod config;
 
 pub struct DoraNode {
     id: NodeId,
@@ -144,6 +143,8 @@ fn set_up_tracing() -> eyre::Result<()> {
 
 #[cfg(test)]
 mod tests {
+    use dora_core::config;
+
     use super::*;
 
     #[test]
diff --git a/binaries/cli/src/build.rs b/binaries/cli/src/build.rs
index 48867dee..4b308ba6 100644
--- a/binaries/cli/src/build.rs
+++ b/binaries/cli/src/build.rs
@@ -1,5 +1,5 @@
 use crate::graph;
-use dora_core::descriptor::{OperatorId, SINGLE_OPERATOR_DEFAULT_ID};
+use dora_core::{config::OperatorId, descriptor::SINGLE_OPERATOR_DEFAULT_ID};
 use eyre::{eyre, Context};
 use std::{path::Path, process::Command};
 
diff --git a/binaries/cli/src/check.rs b/binaries/cli/src/check.rs
index 6643d483..01ce395c 100644
--- a/binaries/cli/src/check.rs
+++ b/binaries/cli/src/check.rs
@@ -1,7 +1,8 @@
 use crate::graph::read_descriptor;
 use dora_core::{
     adjust_shared_library_path,
-    descriptor::{self, CoreNodeKind, InputMapping, OperatorSource, UserInputMapping},
+    config::{InputMapping, UserInputMapping},
+    descriptor::{self, CoreNodeKind, OperatorSource},
 };
 use eyre::{bail, eyre, Context};
 use std::{env::consts::EXE_EXTENSION, path::Path};
diff --git a/binaries/coordinator/src/lib.rs b/binaries/coordinator/src/lib.rs
index 8e59fe72..84242119 100644
--- a/binaries/coordinator/src/lib.rs
+++ b/binaries/coordinator/src/lib.rs
@@ -1,9 +1,12 @@
 use crate::run::spawn_dataflow;
-use dora_core::topics::{
-    StartDataflowResult, StopDataflowResult, ZENOH_CONTROL_DESTROY, ZENOH_CONTROL_START,
-    ZENOH_CONTROL_STOP,
+use dora_core::{
+    config::CommunicationConfig,
+    topics::{
+        StartDataflowResult, StopDataflowResult, ZENOH_CONTROL_DESTROY, ZENOH_CONTROL_START,
+        ZENOH_CONTROL_STOP,
+    },
 };
-use dora_node_api::{communication, config::CommunicationConfig};
+use dora_node_api::communication;
 use eyre::{bail, eyre, WrapErr};
 use futures::StreamExt;
 use futures_concurrency::stream::Merge;
@@ -188,7 +191,7 @@ async fn start_dataflow(
         uuid,
         communication_config,
         tasks,
-    } = spawn_dataflow(&runtime_path, &path).await?;
+    } = spawn_dataflow(&runtime_path, path).await?;
     let path = path.to_owned();
     let task = async move {
         let result = await_tasks(tasks)
diff --git a/binaries/coordinator/src/run/custom.rs b/binaries/coordinator/src/run/custom.rs
index 64c11a59..e3411353 100644
--- a/binaries/coordinator/src/run/custom.rs
+++ b/binaries/coordinator/src/run/custom.rs
@@ -1,6 +1,5 @@
 use super::command_init_common_env;
-use dora_core::descriptor;
-use dora_node_api::config::NodeId;
+use dora_core::{config::NodeId, descriptor};
 use eyre::{eyre, WrapErr};
 use std::{env::consts::EXE_EXTENSION, path::Path};
 
@@ -8,7 +7,7 @@ use std::{env::consts::EXE_EXTENSION, path::Path};
 pub(super) fn spawn_custom_node(
     node_id: NodeId,
     node: &descriptor::CustomNode,
-    communication: &dora_node_api::config::CommunicationConfig,
+    communication: &dora_core::config::CommunicationConfig,
     working_dir: &Path,
 ) -> eyre::Result<tokio::task::JoinHandle<eyre::Result<(), eyre::Error>>> {
     let mut args = node.run.split_ascii_whitespace();
diff --git a/binaries/coordinator/src/run/mod.rs b/binaries/coordinator/src/run/mod.rs
index 824a0415..b8e34b83 100644
--- a/binaries/coordinator/src/run/mod.rs
+++ b/binaries/coordinator/src/run/mod.rs
@@ -1,9 +1,9 @@
 use self::{custom::spawn_custom_node, runtime::spawn_runtime_node};
-use dora_core::descriptor::{self, collect_dora_timers, CoreNodeKind, Descriptor, NodeId};
-use dora_node_api::{
-    communication,
-    config::{format_duration, CommunicationConfig},
+use dora_core::{
+    config::{format_duration, CommunicationConfig, NodeId},
+    descriptor::{self, collect_dora_timers, CoreNodeKind, Descriptor},
 };
+use dora_node_api::communication;
 use eyre::{bail, eyre, WrapErr};
 use futures::{stream::FuturesUnordered, StreamExt};
 use std::{env::consts::EXE_EXTENSION, path::Path};
@@ -20,7 +20,7 @@ pub async fn run_dataflow(dataflow_path: &Path, runtime: &Path) -> eyre::Result<
 
 pub async fn spawn_dataflow(runtime: &Path, dataflow_path: &Path) -> eyre::Result<SpawnedDataflow> {
     let mut runtime = runtime.with_extension(EXE_EXTENSION);
-    let descriptor = read_descriptor(&dataflow_path).await.wrap_err_with(|| {
+    let descriptor = read_descriptor(dataflow_path).await.wrap_err_with(|| {
         format!(
             "failed to read dataflow descriptor at {}",
             dataflow_path.display()
@@ -144,7 +144,7 @@ async fn read_descriptor(file: &Path) -> Result<Descriptor, eyre::Error> {
 fn command_init_common_env(
     command: &mut tokio::process::Command,
     node_id: &NodeId,
-    communication: &dora_node_api::config::CommunicationConfig,
+    communication: &dora_core::config::CommunicationConfig,
 ) -> Result<(), eyre::Error> {
     command.env(
         "DORA_NODE_ID",
diff --git a/binaries/coordinator/src/run/runtime.rs b/binaries/coordinator/src/run/runtime.rs
index 4f7d7082..a0bf2797 100644
--- a/binaries/coordinator/src/run/runtime.rs
+++ b/binaries/coordinator/src/run/runtime.rs
@@ -1,6 +1,5 @@
 use super::command_init_common_env;
-use dora_core::descriptor;
-use dora_node_api::config::NodeId;
+use dora_core::{config::NodeId, descriptor};
 use eyre::{eyre, WrapErr};
 use std::path::Path;
 
@@ -9,7 +8,7 @@ pub fn spawn_runtime_node(
     runtime: &Path,
     node_id: NodeId,
     node: &descriptor::RuntimeNode,
-    communication: &dora_node_api::config::CommunicationConfig,
+    communication: &dora_core::config::CommunicationConfig,
     working_dir: &Path,
 ) -> eyre::Result<tokio::task::JoinHandle<eyre::Result<(), eyre::Error>>> {
     let mut command = tokio::process::Command::new(runtime);
diff --git a/binaries/runtime/src/main.rs b/binaries/runtime/src/main.rs
index fda84724..9253e798 100644
--- a/binaries/runtime/src/main.rs
+++ b/binaries/runtime/src/main.rs
@@ -1,10 +1,12 @@
 #![warn(unsafe_op_in_unsafe_fn)]
 
-use dora_core::descriptor::OperatorDefinition;
+use dora_core::{
+    config::{CommunicationConfig, DataId, NodeId, OperatorId},
+    descriptor::OperatorDefinition,
+};
 use dora_node_api::{
     self,
     communication::{self, CommunicationLayer, Publisher, STOP_TOPIC},
-    config::{CommunicationConfig, DataId, NodeId, OperatorId},
 };
 use eyre::{bail, Context};
 use futures::{Stream, StreamExt};
diff --git a/binaries/runtime/src/operator/mod.rs b/binaries/runtime/src/operator/mod.rs
index 036ef926..f7801df6 100644
--- a/binaries/runtime/src/operator/mod.rs
+++ b/binaries/runtime/src/operator/mod.rs
@@ -1,8 +1,8 @@
-use dora_core::descriptor::{OperatorDefinition, OperatorSource};
-use dora_node_api::{
-    communication::{self, CommunicationLayer},
+use dora_core::{
     config::NodeId,
+    descriptor::{OperatorDefinition, OperatorSource},
 };
+use dora_node_api::communication::{self, CommunicationLayer};
 use eyre::Context;
 #[cfg(feature = "tracing")]
 use opentelemetry::sdk::trace::Tracer;
diff --git a/binaries/runtime/src/operator/python.rs b/binaries/runtime/src/operator/python.rs
index fb90ec86..7c60dd97 100644
--- a/binaries/runtime/src/operator/python.rs
+++ b/binaries/runtime/src/operator/python.rs
@@ -1,7 +1,8 @@
 #![allow(clippy::borrow_deref_ref)] // clippy warns about code generated by #[pymethods]
 
 use super::{OperatorEvent, Tracer};
-use dora_node_api::{communication::Publisher, config::DataId};
+use dora_core::config::DataId;
+use dora_node_api::communication::Publisher;
 use dora_operator_api_python::metadata_to_pydict;
 use eyre::{bail, eyre, Context};
 use pyo3::{
diff --git a/binaries/runtime/src/operator/shared_lib.rs b/binaries/runtime/src/operator/shared_lib.rs
index dd524734..7da7670d 100644
--- a/binaries/runtime/src/operator/shared_lib.rs
+++ b/binaries/runtime/src/operator/shared_lib.rs
@@ -1,6 +1,6 @@
 use super::{OperatorEvent, Tracer};
-use dora_core::adjust_shared_library_path;
-use dora_node_api::{communication::Publisher, config::DataId};
+use dora_core::{adjust_shared_library_path, config::DataId};
+use dora_node_api::communication::Publisher;
 use dora_operator_api_types::{
     safer_ffi::closure::ArcDynFn1, DoraDropOperator, DoraInitOperator, DoraInitResult, DoraOnInput,
     DoraResult, DoraStatus, Metadata, OnInputResult, Output, SendOutput,
diff --git a/examples/iceoryx/node/src/main.rs b/examples/iceoryx/node/src/main.rs
index 06437786..7ca69c08 100644
--- a/examples/iceoryx/node/src/main.rs
+++ b/examples/iceoryx/node/src/main.rs
@@ -1,4 +1,4 @@
-use dora_node_api::{self, config::DataId, DoraNode};
+use dora_node_api::{self, core::config::DataId, DoraNode};
 
 fn main() -> eyre::Result<()> {
     let output = DataId::from("random".to_owned());
diff --git a/examples/rust-dataflow/node/src/main.rs b/examples/rust-dataflow/node/src/main.rs
index 06437786..7ca69c08 100644
--- a/examples/rust-dataflow/node/src/main.rs
+++ b/examples/rust-dataflow/node/src/main.rs
@@ -1,4 +1,4 @@
-use dora_node_api::{self, config::DataId, DoraNode};
+use dora_node_api::{self, core::config::DataId, DoraNode};
 
 fn main() -> eyre::Result<()> {
     let output = DataId::from("random".to_owned());
diff --git a/libraries/core/Cargo.toml b/libraries/core/Cargo.toml
index 793bc8ef..af7fe3fe 100644
--- a/libraries/core/Cargo.toml
+++ b/libraries/core/Cargo.toml
@@ -7,7 +7,8 @@ license = "Apache-2.0"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-dora-node-api = { version = "0.1.0", path = "../../apis/rust/node" }
 eyre = "0.6.8"
 serde = { version = "1.0.136", features = ["derive"] }
 serde_yaml = "0.9.11"
+once_cell = "1.13.0"
+zenoh-config = { git = "https://github.com/eclipse-zenoh/zenoh.git" }
diff --git a/apis/rust/node/src/config.rs b/libraries/core/src/config.rs
similarity index 99%
rename from apis/rust/node/src/config.rs
rename to libraries/core/src/config.rs
index 201d6341..2a880802 100644
--- a/apis/rust/node/src/config.rs
+++ b/libraries/core/src/config.rs
@@ -1,4 +1,3 @@
-use communication_layer_pub_sub::zenoh::zenoh_config;
 use once_cell::sync::OnceCell;
 use serde::{Deserialize, Serialize};
 use std::{
@@ -10,15 +9,6 @@ use std::{
     time::Duration,
 };
 
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct NodeRunConfig {
-    #[serde(default)]
-    pub inputs: BTreeMap<DataId, InputMapping>,
-    #[serde(default)]
-    pub outputs: BTreeSet<DataId>,
-}
-
 #[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
 pub struct NodeId(String);
 
@@ -160,22 +150,6 @@ impl fmt::Display for InputMapping {
     }
 }
 
-pub struct FormattedDuration(pub Duration);
-
-impl fmt::Display for FormattedDuration {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        if self.0.subsec_millis() == 0 {
-            write!(f, "secs/{}", self.0.as_secs())
-        } else {
-            write!(f, "millis/{}", self.0.as_millis())
-        }
-    }
-}
-
-pub fn format_duration(interval: Duration) -> FormattedDuration {
-    FormattedDuration(interval)
-}
-
 impl Serialize for InputMapping {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where
@@ -262,6 +236,31 @@ pub struct UserInputMapping {
     pub output: DataId,
 }
 
+pub struct FormattedDuration(pub Duration);
+
+impl fmt::Display for FormattedDuration {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        if self.0.subsec_millis() == 0 {
+            write!(f, "secs/{}", self.0.as_secs())
+        } else {
+            write!(f, "millis/{}", self.0.as_millis())
+        }
+    }
+}
+
+pub fn format_duration(interval: Duration) -> FormattedDuration {
+    FormattedDuration(interval)
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct NodeRunConfig {
+    #[serde(default)]
+    pub inputs: BTreeMap<DataId, InputMapping>,
+    #[serde(default)]
+    pub outputs: BTreeSet<DataId>,
+}
+
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[serde(deny_unknown_fields, rename_all = "lowercase")]
 pub enum CommunicationConfig {
diff --git a/libraries/core/src/descriptor/mod.rs b/libraries/core/src/descriptor/mod.rs
index 4d8ffb77..664184db 100644
--- a/libraries/core/src/descriptor/mod.rs
+++ b/libraries/core/src/descriptor/mod.rs
@@ -1,5 +1,3 @@
-use dora_node_api::config::{CommunicationConfig, NodeRunConfig};
-pub use dora_node_api::config::{DataId, InputMapping, NodeId, OperatorId, UserInputMapping};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::fmt;
@@ -9,6 +7,8 @@ use std::{
 };
 pub use visualize::collect_dora_timers;
 
+use crate::config::{CommunicationConfig, DataId, InputMapping, NodeId, NodeRunConfig, OperatorId};
+
 mod visualize;
 
 #[derive(Debug, Serialize, Deserialize)]
diff --git a/libraries/core/src/descriptor/visualize.rs b/libraries/core/src/descriptor/visualize.rs
index a3e25643..fac88464 100644
--- a/libraries/core/src/descriptor/visualize.rs
+++ b/libraries/core/src/descriptor/visualize.rs
@@ -1,5 +1,5 @@
 use super::{CoreNodeKind, CustomNode, OperatorDefinition, ResolvedNode, RuntimeNode};
-use dora_node_api::config::{format_duration, DataId, InputMapping, NodeId, UserInputMapping};
+use crate::config::{format_duration, DataId, InputMapping, NodeId, UserInputMapping};
 use std::{
     collections::{BTreeMap, BTreeSet, HashMap},
     fmt::Write as _,
diff --git a/libraries/core/src/lib.rs b/libraries/core/src/lib.rs
index 74220733..997a3204 100644
--- a/libraries/core/src/lib.rs
+++ b/libraries/core/src/lib.rs
@@ -4,6 +4,7 @@ use std::{
     path::Path,
 };
 
+pub mod config;
 pub mod descriptor;
 pub mod topics;