diff --git a/_data/chains/eip155-8898.json b/_data/chains/eip155-8898.json
new file mode 100644
index 00000000..2ad2eae0
--- /dev/null
+++ b/_data/chains/eip155-8898.json
@@ -0,0 +1,27 @@
+{
+  "name": "Mammoth",
+  "title": "Mammoth Chain",
+  "chain": "MMT",
+  "rpc": [
+    "https://dataseed.mmtscan.io",
+    "https://dataseed1.mmtscan.io",
+    "https://dataseed2.mmtscan.io"
+  ],
+  "faucets": [
+    "https://faucet.mmtscan.io/"
+  ],
+  "nativeCurrency": {
+    "name": "Mammoth Token",
+    "symbol": "MMT",
+    "decimals": 18
+  },
+  "infoURL": "https://mmtchain.io/",
+  "shortName": "mmt",
+  "chainId": 8898,
+  "networkId": 8898,
+  "explorers": [{
+    "name": "mmtscan",
+    "url": "https://mmtscan.io",
+    "standard": "EIP3091"
+  }]
+}