diff --git a/.gitignore b/.gitignore
index 8079cec..4581abf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+node_modules
 .hypothesis
 .vscode
 *cache*
diff --git a/test/merkletreejs/merkle_proof/merkle_proof_test.js b/test/merkletreejs/merkle_proof/merkle_proof_test.js
new file mode 100644
index 0000000..4d2e44c
--- /dev/null
+++ b/test/merkletreejs/merkle_proof/merkle_proof_test.js
@@ -0,0 +1,9 @@
+const { MerkleTree } = require('merkletreejs');
+const SHA256 = require('crypto-js/sha256');
+
+const leaves = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'].map(x => SHA256(x));
+const tree = new MerkleTree(leaves, SHA256);
+const leaf = SHA256('a');
+const proof = tree.getProof(leaf).map(node => ({ data: node.data.toString('hex'), position: node.position }));
+
+console.log(JSON.stringify({ proof, isValid: tree.verify(proof, leaf, tree.getRoot()) }))
diff --git a/test/merkletreejs/merkle_proof/merkle_proof_test.py b/test/merkletreejs/merkle_proof/merkle_proof_test.py
new file mode 100644
index 0000000..eaa3957
--- /dev/null
+++ b/test/merkletreejs/merkle_proof/merkle_proof_test.py
@@ -0,0 +1,19 @@
+from merkly.mtree import MerkleTree
+import hashlib
+import json
+
+
+def sha256(x, y):
+    data = x + y
+    return hashlib.sha256(data).digest()
+
+
+leaves = ["a", "b", "c", "d", "e", "f", "g", "h"]
+tree = MerkleTree(leaves, sha256)
+leaf = "a"
+proof = tree.proof(leaf)
+formatted_proof = [
+    {"data": node.data.hex(), "position": node.side.name.lower()} for node in proof
+]
+
+print(json.dumps({"proof": formatted_proof, "isValid": tree.verify(proof, leaf)}))
diff --git a/test/merkletreejs/merkle_root/merkle_root_test.js b/test/merkletreejs/merkle_root/merkle_root_test.js
new file mode 100644
index 0000000..5f3e2ad
--- /dev/null
+++ b/test/merkletreejs/merkle_root/merkle_root_test.js
@@ -0,0 +1,8 @@
+const { MerkleTree } = require('merkletreejs');
+const SHA256 = require('crypto-js/sha256');
+
+const leaves = ['a', 'b', 'c', 'd'].map(SHA256);
+const tree = new MerkleTree(leaves, SHA256, {});
+const root = tree.getRoot().toString('hex');
+
+console.log(JSON.stringify({ root }));
diff --git a/test/merkletreejs/merkle_root/merkle_root_test.py b/test/merkletreejs/merkle_root/merkle_root_test.py
new file mode 100644
index 0000000..cb69112
--- /dev/null
+++ b/test/merkletreejs/merkle_root/merkle_root_test.py
@@ -0,0 +1,15 @@
+from merkly.mtree import MerkleTree
+import hashlib
+import json
+
+
+def sha256(x, y):
+    data = x + y
+    return hashlib.sha256(data).digest()
+
+
+leaves = ["a", "b", "c", "d"]
+tree = MerkleTree(leaves, sha256)
+root = tree.root.hex()
+
+print(json.dumps({"root": root}))
diff --git a/test/merkletreejs/package.json b/test/merkletreejs/package.json
new file mode 100644
index 0000000..e9072fc
--- /dev/null
+++ b/test/merkletreejs/package.json
@@ -0,0 +1,10 @@
+{
+  "name": "merkletreejs",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {
+    "merkletreejs": "^0.3.11",
+    "web3": "^4.3.0"
+  }
+}
diff --git a/test/merkletreejs/test_merkle_proof_compatibility.py b/test/merkletreejs/test_merkle_proof_compatibility.py
new file mode 100644
index 0000000..ad756dc
--- /dev/null
+++ b/test/merkletreejs/test_merkle_proof_compatibility.py
@@ -0,0 +1,30 @@
+from pytest import mark
+import subprocess
+import json
+
+
+@mark.merkletreejs
+def test_merkle_proof_compatibility_between_merkletreejs_and_merkly():
+    result = subprocess.run(["yarn"], check=False)
+
+    assert result.returncode == 0, result.stderr
+
+    result_js = subprocess.run(
+        ["node", "./test/merkletreejs/merkle_proof/merkle_proof_test.js"],
+        capture_output=True,
+        text=True,
+        check=True,
+    )
+    assert result_js.returncode == 0, result_js.stderr
+    data_js = json.loads(result_js.stdout)
+
+    result_py = subprocess.run(
+        ["python", "./test/merkletreejs/merkle_proof/merkle_proof_test.py"],
+        capture_output=True,
+        text=True,
+        check=True,
+    )
+    assert result_py.returncode == 0, result_py.stderr
+    data_py = json.loads(result_py.stdout)
+
+    assert data_js == data_py
diff --git a/test/merkletreejs/test_merkle_root_compatibility.py b/test/merkletreejs/test_merkle_root_compatibility.py
new file mode 100644
index 0000000..44a69a6
--- /dev/null
+++ b/test/merkletreejs/test_merkle_root_compatibility.py
@@ -0,0 +1,30 @@
+from pytest import mark
+import subprocess
+import json
+
+
+@mark.merkletreejs
+def test_merkle_root_compatibility_between_merkletreejs_and_merkly():
+    result = subprocess.run(["yarn"], check=False)
+
+    assert result.returncode == 0, result.stderr
+
+    result_js = subprocess.run(
+        ["node", "./test/merkletreejs/merkle_root/merkle_root_test.js"],
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+    assert result_js.returncode == 0, result_js.stderr
+    merkle_root_js = json.loads(result_js.stdout)
+
+    result_py = subprocess.run(
+        ["python", "./test/merkletreejs/merkle_root/merkle_root_test.py"],
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+    assert result_py.returncode == 0, result_py.stderr
+    merkle_root_py = json.loads(result_py.stdout)
+
+    assert merkle_root_js == merkle_root_py