diff --git a/Cargo.lock b/Cargo.lock
index c042060..cfd8ad4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -267,6 +267,16 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "console_error_panic_hook"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06aeb73f470f66dcdbf7223caeebb85984942f22f1adb2a088cf9668146bbbc"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "convert_case"
 version = "0.6.0"
@@ -383,6 +393,15 @@ dependencies = [
  "prost",
 ]
 
+[[package]]
+name = "datadog-library-config"
+version = "0.0.1"
+dependencies = [
+ "anyhow",
+ "serde",
+ "serde_yaml",
+]
+
 [[package]]
 name = "datadog-trace-normalization"
 version = "6.0.0"
@@ -979,6 +998,18 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "library-config"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "datadog-library-config",
+ "serde",
+ "serde-wasm-bindgen",
+ "wasm-bindgen",
+ "wasm-bindgen-test",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.14"
@@ -1015,6 +1046,16 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "minicov"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f27fe9f1cc3c22e1687f9446c2083c4c5fc7f0bcf1c7a86bdbded14985895b4b"
+dependencies = [
+ "cc",
+ "walkdir",
+]
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
@@ -1556,6 +1597,15 @@ version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "schannel"
 version = "0.1.26"
@@ -1589,6 +1639,12 @@ dependencies = [
  "syn 2.0.87",
 ]
 
+[[package]]
+name = "scoped-tls"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
+
 [[package]]
 name = "sct"
 version = "0.7.1"
@@ -1643,6 +1699,17 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-wasm-bindgen"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3b4c031cd0d9014307d82b8abf653c0290fbdaeb4c02d00c63cf52f728628bf"
+dependencies = [
+ "js-sys",
+ "serde",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "serde_bytes"
 version = "0.11.15"
@@ -1686,6 +1753,19 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_yaml"
+version = "0.9.34+deprecated"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a8b1a1a2ebf674015cc02edccce75287f1a0130d394307b36743c2f5d504b47"
+dependencies = [
+ "indexmap",
+ "itoa",
+ "ryu",
+ "serde",
+ "unsafe-libyaml",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -1901,6 +1981,12 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
 
+[[package]]
+name = "unsafe-libyaml"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
+
 [[package]]
 name = "untrusted"
 version = "0.7.1"
@@ -1929,6 +2015,16 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
+[[package]]
+name = "walkdir"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "want"
 version = "0.3.1"
@@ -1970,6 +2066,18 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc7ec4f8827a71586374db3e87abdb5a2bb3a15afed140221307c3ec06b1f63b"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.95"
@@ -1999,6 +2107,32 @@ version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
 
+[[package]]
+name = "wasm-bindgen-test"
+version = "0.3.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d381749acb0943d357dcbd8f0b100640679883fcdeeef04def49daf8d33a5426"
+dependencies = [
+ "console_error_panic_hook",
+ "js-sys",
+ "minicov",
+ "scoped-tls",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "wasm-bindgen-test-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-test-macro"
+version = "0.3.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c97b2ef2c8d627381e51c071c2ab328eac606d3f69dd82bcbca20a9e389d95f0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.87",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.72"
@@ -2047,6 +2181,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
+dependencies = [
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
diff --git a/Cargo.toml b/Cargo.toml
index 7731b6c..408ea9d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,7 @@
 [workspace]
 default-members = [
-  "crates/crashtracker"
+  "crates/crashtracker",
+  "crates/library-config"
 ]
 members = [
   "crates/*"
diff --git a/crates/library-config/Cargo.toml b/crates/library-config/Cargo.toml
new file mode 100644
index 0000000..c668d88
--- /dev/null
+++ b/crates/library-config/Cargo.toml
@@ -0,0 +1,24 @@
+[package]
+name = "library-config"
+version = "0.1.0"
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+anyhow = "1"
+# TODO: set the right dependencies
+# datadog-library-config = { git = "https://github.com/DataDog/libdatadog.git", tag = "v14.3.1" }
+datadog-library-config = { path = "../../../libdatadog/library-config" }
+
+wasm-bindgen = "0.2.84"
+serde = { version = "1.0", features = ["derive"] }
+serde-wasm-bindgen = "0.4"
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.34"
+
+[profile.release]
+# Tell `rustc` to optimize for small code size.
+opt-level = "s"
diff --git a/crates/library-config/src/lib.rs b/crates/library-config/src/lib.rs
new file mode 100644
index 0000000..0f6921f
--- /dev/null
+++ b/crates/library-config/src/lib.rs
@@ -0,0 +1,79 @@
+use std::collections::HashMap;
+
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub struct JsConfigurator {
+    configurator: Box<datadog_library_config::Configurator>,
+    envp: Vec<String>,
+    args: Vec<String>,
+}
+
+#[wasm_bindgen]
+impl JsConfigurator {
+    #[wasm_bindgen(constructor)]
+    pub fn new(debug_logs: bool) -> Self {
+        JsConfigurator {
+            configurator: Box::new(datadog_library_config::Configurator::new(debug_logs)),
+            envp: Vec::new(),
+            args: Vec::new(),
+        }
+    }
+
+    #[wasm_bindgen]
+    pub fn set_envp(&mut self, envp: Box<[JsValue]>) -> Result<(), JsValue> {
+        self.envp = envp.iter()
+            .filter_map(|val| val.as_string())
+            .collect();
+        Ok(())
+    }
+
+    #[wasm_bindgen]
+    pub fn set_args(&mut self, args: Box<[JsValue]>) -> Result<(), JsValue> {
+        self.args = args.iter()
+            .filter_map(|val| val.as_string())
+            .collect();
+        Ok(())
+    }
+
+    #[wasm_bindgen]
+    pub fn get_configuration(
+        &self,
+        config_string: String,
+    ) -> Result<JsValue, JsValue> {
+        let envp: Vec<&[u8]> = self
+            .envp
+            .iter()
+            .map(|s| s.as_bytes())
+            .collect();
+
+        let args: Vec<_> = self
+            .args
+            .iter()
+            .map(|s| s.as_bytes())
+            .collect();
+
+        let res_config = self.configurator.get_config_from_bytes(
+            config_string.as_bytes(),
+            datadog_library_config::ProcessInfo {
+                envp: &envp,
+                args: &args,
+                language: b"nodejs",
+            },
+        );
+
+        match res_config {
+            Ok(config) => {
+                let hashmap: HashMap<String, String> = config.into_iter().map(|c| {
+                    let key = c.name.to_str().to_owned();
+                    (key, c.value)
+                }).collect();
+                Ok(serde_wasm_bindgen::to_value(&hashmap)?)
+            },
+            Err(e) => Err(JsValue::from_str(&format!(
+                "Failed to get configuration: {:?}",
+                e
+            ))),
+        }
+    }
+}
diff --git a/test/library-config/.gitignore b/test/library-config/.gitignore
new file mode 100644
index 0000000..5fff1d9
--- /dev/null
+++ b/test/library-config/.gitignore
@@ -0,0 +1 @@
+pkg
diff --git a/test/library-config/README.md b/test/library-config/README.md
new file mode 100644
index 0000000..c80ffee
--- /dev/null
+++ b/test/library-config/README.md
@@ -0,0 +1,10 @@
+# Libconfig example
+
+## How to run
+From repository root 
+```bash
+wasm-pack build ./crates/library-config
+mv ./crates/library-config/pkg ./test/library-config
+
+node --experimental-modules --experimental-wasm-modules test/library-config/index.js
+```
diff --git a/test/library-config/config.yaml b/test/library-config/config.yaml
new file mode 100644
index 0000000..597c05b
--- /dev/null
+++ b/test/library-config/config.yaml
@@ -0,0 +1,8 @@
+rules:
+  - selectors:
+    - origin: language
+      matches:
+        - nodejs
+      operator: equals
+    configuration:
+      DD_SERVICE: my-service-{{ environment[HOME] }}
diff --git a/test/library-config/index.js b/test/library-config/index.js
new file mode 100644
index 0000000..580d505
--- /dev/null
+++ b/test/library-config/index.js
@@ -0,0 +1,16 @@
+import * as libconfig from '/Users/baptiste.foy/go/src/github.com/DataDog/libdatadog-nodejs/test/library-config/pkg/library_config.js';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import fs from 'fs';
+
+const rawConfig = fs.readFileSync(path.join(path.dirname(fileURLToPath(import.meta.url)), 'config.yaml'));
+let configurator = new libconfig.JsConfigurator(false);
+
+configurator.set_envp(Object.entries(process.env).map(([key, value]) => `${key}=${value}`))
+configurator.set_args(process.argv)
+
+// Apply each configuration as an environment variable
+console.log("Configuration:")
+configurator.get_configuration(rawConfig.toString()).forEach((value, key, map) => {
+    console.log(` - ${key}: ${value}`)
+});
diff --git a/test/library-config/package.json b/test/library-config/package.json
new file mode 100644
index 0000000..4e4bada
--- /dev/null
+++ b/test/library-config/package.json
@@ -0,0 +1,10 @@
+{
+  "private": true,
+  "main": "index.js",
+  "dependencies": {
+    "@datadog/segfaultify": "^0.1.1",
+    "body-parser": "^1.20.3",
+    "express": "^4.19.2"
+  },
+  "type": "module"
+}