diff --git a/scripts/proposals/OmnibusAug25/README.md b/scripts/proposals/OmnibusAug25/README.md
new file mode 100644
index 000000000..0aebbf581
--- /dev/null
+++ b/scripts/proposals/OmnibusAug25/README.md
@@ -0,0 +1,12 @@
+# Omnibus Proposal of August 2025
+
+This proposal generation script and payload includes several different governance proposals.
+
+## Upgrade Executor Update
+https://snapshot.box/#/s:arbitrumfoundation.eth/proposal/0xc08147e229fa642ee7da2e5180f225122b8c517024902f21cdcd02b376179b8d
+
+## Disable USDT Gateway
+https://snapshot.box/#/s:arbitrumfoundation.eth/proposal/0xd5a66f784523841511f7ffec4171b9c14404fdbf7c205086312084d19c95c193
+
+## SetAmortizedCostCapBips
+https://snapshot.box/#/s:arbitrumfoundation.eth/proposal/0xeb044e3bdeba71e74dea02abeab4c33fe4bf5ab9def50082863702d5e2112b93
diff --git a/scripts/proposals/OmnibusAug25/data.json b/scripts/proposals/OmnibusAug25/data.json
new file mode 100644
index 000000000..3beef9245
--- /dev/null
+++ b/scripts/proposals/OmnibusAug25/data.json
@@ -0,0 +1,20 @@
+{
+  "actionChainIds": [
+    1,
+    42161,
+    42170,
+    1,
+    42170
+  ],
+  "actionAddresses": [
+    "0xE03E930D661a729595EcC77f9e692a32BEed4260",
+    "0xE03E930D661a729595EcC77f9e692a32BEed4260",
+    "0xE03E930D661a729595EcC77f9e692a32BEed4260",
+    "0x8d3425f7039645223517F6F6e60Ef04C28f4188F",
+    "0x0000000000000000000000000000000000000070"
+  ],
+  "arbSysSendTxToL1Args": {
+    "l1Timelock": "0xE6841D92B0C345144506576eC13ECf5103aC7f49",
+    "calldata": "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"
+  }
+}
\ No newline at end of file
diff --git a/scripts/proposals/OmnibusAug25/generate.bash b/scripts/proposals/OmnibusAug25/generate.bash
new file mode 100755
index 000000000..141bf6cb2
--- /dev/null
+++ b/scripts/proposals/OmnibusAug25/generate.bash
@@ -0,0 +1,71 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# Upgrade Executor Update (PROP1)
+PROP1_CHAIN_IDS=(1 42161 42170)
+PROP1_ADDRESSES=(
+  0xE03E930D661a729595EcC77f9e692a32BEed4260  # Ethereum
+  0xE03E930D661a729595EcC77f9e692a32BEed4260  # Arbitrum One
+  0xE03E930D661a729595EcC77f9e692a32BEed4260  # Arbitrum Nova
+)
+PROP1_DATAS=(
+  $(cast calldata "perform(address admin, address target, address newLogic)" 0x5613AF0474EB9c528A34701A5b1662E3C8FA0678 0x3ffFbAdAF827559da092217e474760E2b2c3CeDd 0x3d745b8815F9be5BF053858165f8aB1F58c77932)
+  $(cast calldata "perform(address admin, address target, address newLogic)" 0xdb216562328215E010F819B5aBe947bad4ca961e 0xCF57572261c7c2BCF21ffD220ea7d1a27D40A827 0x3d745b8815F9be5BF053858165f8aB1F58c77932)
+  $(cast calldata "perform(address admin, address target, address newLogic)" 0xf58eA15B20983116c21b05c876cc8e6CDAe5C2b9 0x86a02dD71363c440b21F4c0E5B2Ad01Ffe1A7482 0x3d745b8815F9be5BF053858165f8aB1F58c77932)
+)
+PROP1_ACTION_TYPES=(0 0 0)
+PROP1_VALUES=(0 0 0)
+
+# Disable USDT Gateway (PROP2)
+PROP2_CHAIN_IDS=(1)
+PROP2_ADDRESSES=(
+  0x8d3425f7039645223517F6F6e60Ef04C28f4188F
+)
+PROP2_DATAS=(
+  $(cast calldata "perform(address[] _tokens, uint256 _maxGas, uint256 _gasPriceBid, uint256 _maxSubmissionCost)" "[0xdac17f958d2ee523a2206206994597c13d831ec7]" 0 0 $(cast to-wei 0.0005))
+)
+PROP2_ACTION_TYPES=(0)
+PROP2_VALUES=(
+  $(cast to-wei 0.0005)
+)
+
+# SetAmortizedCostCapBips (PROP3)
+PROP3_CHAIN_IDS=(42170)
+PROP3_ADDRESSES=(
+  0x0000000000000000000000000000000000000070 # ArbOwner
+)
+PROP3_DATAS=(
+  $(cast calldata "setAmortizedCostCapBips(uint64 cap)" 0)
+)
+PROP3_ACTION_TYPES=(1) # executeCall
+PROP3_VALUES=(0)
+
+# Generate proposal data
+yarn gen:proposalData \
+  --govChainProviderRPC https://arb1.arbitrum.io/rpc \
+  --actionChainIds \
+    ${PROP1_CHAIN_IDS[@]} \
+    ${PROP2_CHAIN_IDS[@]} \
+    ${PROP3_CHAIN_IDS[@]} \
+  --actionAddresses \
+    ${PROP1_ADDRESSES[@]} \
+    ${PROP2_ADDRESSES[@]} \
+    ${PROP3_ADDRESSES[@]} \
+  --upgradeDatas \
+    ${PROP1_DATAS[@]} \
+    ${PROP2_DATAS[@]} \
+    ${PROP3_DATAS[@]} \
+  --actionTypes \
+    ${PROP1_ACTION_TYPES[@]} \
+    ${PROP2_ACTION_TYPES[@]} \
+    ${PROP3_ACTION_TYPES[@]} \
+  --upgradeValues \
+    ${PROP1_VALUES[@]} \
+    ${PROP2_VALUES[@]} \
+    ${PROP3_VALUES[@]} \
+  --predecessor \
+    0x0000000000000000000000000000000000000000000000000000000000000000 \
+  --writeToJsonPath \
+    ./scripts/proposals/OmnibusAug25/data.json
+