diff --git a/.changeset/lucky-queens-juggle.md b/.changeset/lucky-queens-juggle.md
new file mode 100644
index 000000000..48ce577fc
--- /dev/null
+++ b/.changeset/lucky-queens-juggle.md
@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/registry': minor
+---
+
+add opengradient testnet
diff --git a/chains/opengradienttestnet/addresses.yaml b/chains/opengradienttestnet/addresses.yaml
new file mode 100644
index 000000000..0591f86b4
--- /dev/null
+++ b/chains/opengradienttestnet/addresses.yaml
@@ -0,0 +1,14 @@
+domainRoutingIsmFactory: "0x3ffe2C31aC9bb89AE956afb39F090c33a4F9C631"
+interchainAccountIsm: "0xE456ffA33b3F65A3D070B6492209Ef0Ab4494aa8"
+interchainAccountRouter: "0x3eCAc75E2CC7563D73e30A8FFDF9d4ceC3D60936"
+mailbox: "0x85AD2164879c1c4264a880FF37dE338c6975bccD"
+merkleTreeHook: "0xEb9F0477744EB7bAa1D33268E971f103Cb4CA6f2"
+proxyAdmin: "0xa1F7675D538F54d2D39EB6c4A2d646bC3A0f067C"
+staticAggregationHookFactory: "0xF332095251063f2FD3414A011c9Dc301AeBc8A3A"
+staticAggregationIsmFactory: "0x1197dB2b4CEc98B4500609ad3B5a215221B5ff54"
+staticMerkleRootMultisigIsmFactory: "0x8E6315D654EB07c57ea8Ee59F6F6a021F9b15CB8"
+staticMerkleRootWeightedMultisigIsmFactory: "0x6B6208e0691fa1E22F3D403de59db9dB74391988"
+staticMessageIdMultisigIsmFactory: "0x450366EBAC75d9A25C3bfD93322cE6026D97a832"
+staticMessageIdWeightedMultisigIsmFactory: "0x3e2809cE2EF5cD40a8bc07829E3ed028169eDb7B"
+testRecipient: "0xFcDa85A9e8DB98bde1d81E22e6d91f227ca06CF1"
+validatorAnnounce: "0x74dAe7984B4cf3905196D6D47CF106D267Bd86b9"
diff --git a/chains/opengradienttestnet/logo.svg b/chains/opengradienttestnet/logo.svg
new file mode 100644
index 000000000..8b5781f9d
--- /dev/null
+++ b/chains/opengradienttestnet/logo.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="15.9 16.6 118.1 118.1"><path d="m20 85.3 13.3 13.4c2.8 2.8 6.6 4.4 10.5 4.4h3.8v3.7c0 4 1.5 7.7 4.3 10.5l13.4 13.4c2.6 2.6 6 4 9.7 4s7.1-1.4 9.7-4L98 117.3c2.9-2.8 4.4-6.5 4.4-10.5v-3.7h3.8c4 0 7.7-1.6 10.5-4.4L130 85.3c2.6-2.5 4-6 4-9.7s-1.4-7-4-9.6l-13.3-13.4a14.8 14.8 0 0 0-10.5-4.4h-3.8v-3.7c0-4-1.5-7.7-4.3-10.5L84.7 20.6a13.7 13.7 0 0 0-19.4 0L52 34a14.8 14.8 0 0 0-4.3 10.5v3.7h-3.8c-4 0-7.7 1.6-10.5 4.4L20 66a13.7 13.7 0 0 0 0 19.4Zm73.8 21.5c0 1.7-.7 3.3-1.8 4.4l-13.4 13.4a5 5 0 0 1-7.2 0L58 111.2a6.3 6.3 0 0 1-1.8-4.4v-16c0-1.6.7-3.2 1.8-4.4l4.7-4.7L69 88l-4.7 4.7c-.8.9-1.9 1.4-3 1.7-.8.2-1.4.9-1.4 1.7v5.2c0 1 1 1.9 2 1.7 3.2-.4 6.2-1.9 8.5-4.2L75 94l4.7 4.7c2.8 2.8 6.6 4.4 10.5 4.4h3.6v3.7ZM70.7 75.6a4.4 4.4 0 1 1 1.3 3.1 4.3 4.3 0 0 1-1.3-3ZM98 71c2.7-2.8 4.3-6.6 4.3-10.6V57h3.8c1.6 0 3.2.6 4.4 1.8L124 72c2 2 2 5.3 0 7.2l-13.4 13.4a6.3 6.3 0 0 1-4.4 1.8h-16c-1.7 0-3.3-.6-4.4-1.8L81 88l6.2-6.2 4.7 4.7c.8.9 1.4 2 1.6 3 .2.9 1 1.4 1.7 1.4h5.3c1 0 1.8-.9 1.7-2-.4-3.1-2-6.1-4.2-8.5l-4.7-4.7L98 71ZM56.2 44.5c0-1.7.7-3.3 1.8-4.4l13.4-13.4c2-2 5.2-2 7.2 0L92 40a6.3 6.3 0 0 1 1.8 4.4v16c0 1.6-.7 3.2-1.8 4.4l-4.7 4.7-6.2-6.2 4.7-4.7c.8-.9 1.9-1.4 3-1.7.8-.2 1.4-.9 1.4-1.7v-5.2c0-1-1-1.9-2-1.7-3.2.4-6.2 1.9-8.5 4.2L75 57.3l-4.7-4.7a14.9 14.9 0 0 0-10.5-4.4h-3.6v-3.7ZM26 72l13.4-13.3a6.3 6.3 0 0 1 4.4-1.8h16c1.7 0 3.3.6 4.4 1.8l4.7 4.7-6.2 6.2-4.7-4.7c-.8-.9-1.4-2-1.6-3.1-.2-.8-1-1.4-1.7-1.4h-5.3c-1 0-1.8 1-1.7 2 .4 3.2 2 6.2 4.2 8.6l4.7 4.6-4.6 4.7a14.9 14.9 0 0 0-4.4 10.5v3.6h-3.8c-1.6 0-3.2-.6-4.4-1.8L26 79.2a5 5 0 0 1 0-7.2Z"/></svg>
\ No newline at end of file
diff --git a/chains/opengradienttestnet/metadata.yaml b/chains/opengradienttestnet/metadata.yaml
new file mode 100644
index 000000000..4de4ea098
--- /dev/null
+++ b/chains/opengradienttestnet/metadata.yaml
@@ -0,0 +1,24 @@
+blockExplorers:
+  - apiUrl: http://3.145.62.2/api
+    family: blockscout
+    name: Opengradient Testnet Explorer
+    url: http://3.145.62.2
+blocks:
+  confirmations: 1
+  estimateBlockTime: 30
+  reorgPeriod: 0
+chainId: 2970285607590380
+deployer:
+  name: Opengradient team
+  url: https://opengradient.ai
+displayName: Opengradient Testnet
+domainId: 297028
+isTestnet: true
+name: opengradienttestnet
+nativeToken:
+  decimals: 18
+  name: Ether
+  symbol: ETH
+protocol: ethereum
+rpcUrls:
+  - http: http://18.218.115.248:8545