diff --git a/.github/workflows/hardhat-tasks.yml b/.github/workflows/hardhat-tasks.yml
new file mode 100644
index 0000000000..82b5969f17
--- /dev/null
+++ b/.github/workflows/hardhat-tasks.yml
@@ -0,0 +1,51 @@
+name: Hardhat Tasks
+
+on:
+  push:
+    branches: [dev]
+  pull_request:
+
+jobs:
+  hardhat-tasks:
+    runs-on: ubuntu-22.04
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - name: Use Node.js 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "pnpm"
+
+      - name: Install
+        run: |
+          pnpm install --frozen-lockfile --prefer-offline
+
+      - name: Build
+        run: |
+          pnpm run build
+
+      - name: Run hardhat fork
+        run: |
+          cd contracts
+          pnpm run hardhat &
+          sleep 5
+
+      - name: Download zkeys
+        run: |
+          pnpm download-zkeys:test
+
+      - name: hardhat tasks
+        run: |
+          cd contracts
+          cp ./deploy-config-example.json ./deploy-config.json
+          pnpm deploy:localhost
+          pnpm deploy-poll:localhost
+
+      - name: Stop Hardhat
+        if: always()
+        run: kill $(lsof -t -i:8545)
diff --git a/contracts/deploy-config-example.json b/contracts/deploy-config-example.json
index ca7d3090e6..511a70d72c 100644
--- a/contracts/deploy-config-example.json
+++ b/contracts/deploy-config-example.json
@@ -240,5 +240,67 @@
       "coordinatorPubkey": "macipk.9a59264310d95cfd8eb7083aebeba221b5c26e77427f12b7c0f50bc1cc35e621",
       "useQuadraticVoting": false
     }
+  },
+  "localhost": {
+    "ConstantInitialVoiceCreditProxy": {
+      "deploy": true,
+      "amount": 99
+    },
+    "FreeForAllGatekeeper": {
+      "deploy": true
+    },
+    "EASGatekeeper": {
+      "deploy": false,
+      "easAddress": "0xC2679fBD37d54388Ce493F1DB75320D236e1815e",
+      "schema": "0xe2636f31239f7948afdd9a9c477048b7fc2a089c347af60e3aa1251e5bf63e5c",
+      "attester": "the-attester-address"
+    },
+    "GitcoinPassportGatekeeper": {
+      "deploy": false,
+      "decoderAddress": "0xe53C60F8069C2f0c3a84F9B3DB5cf56f3100ba56",
+      "passingScore": 5
+    },
+    "ZupassGatekeeper": {
+      "deploy": false,
+      "signer1": "13908133709081944902758389525983124100292637002438232157513257158004852609027",
+      "signer2": "7654374482676219729919246464135900991450848628968334062174564799457623790084",
+      "eventId": "69c0caaa-c65d-5345-a20c-867774f18c67",
+      "zupassVerifier": "0x2272cdb3596617886d0F48524DA486044E0376d6"
+    },
+    "SemaphoreGatekeeper": {
+      "deploy": false,
+      "semaphoreContract": "0x0A09FB3f63c13F1C54F2fA41AFB1e7a98cffc774",
+      "groupId": 0
+    },
+    "MACI": {
+      "stateTreeDepth": 10,
+      "gatekeeper": "FreeForAllGatekeeper"
+    },
+    "VkRegistry": {
+      "stateTreeDepth": 10,
+      "intStateTreeDepth": 1,
+      "messageTreeDepth": 2,
+      "voteOptionTreeDepth": 2,
+      "messageBatchDepth": 1,
+      "zkeys": {
+        "qv": {
+          "processMessagesZkey": "../cli/zkeys/ProcessMessages_10-2-1-2_test/ProcessMessages_10-2-1-2_test.0.zkey",
+          "tallyVotesZkey": "../cli/zkeys/TallyVotes_10-1-2_test/TallyVotes_10-1-2_test.0.zkey",
+          "processWasm": "../cli/zkeys/ProcessMessages_10-2-1-2_test/ProcessMessages_10-2-1-2_test_js/ProcessMessages_10-2-1-2_test.wasm",
+          "tallyWasm": "../cli/zkeys/TallyVotes_10-1-2_test/TallyVotes_10-1-2_test_js/TallyVotes_10-1-2_test.wasm"
+        },
+        "nonQv": {
+          "processMessagesZkey": "../cli/zkeys/ProcessMessagesNonQv_10-2-1-2_test/ProcessMessagesNonQv_10-2-1-2_test.0.zkey",
+          "tallyVotesZkey": "../cli/zkeys/TallyVotesNonQv_10-1-2_test/TallyVotesNonQv_10-1-2_test.0.zkey",
+          "processWasm": "../cli/zkeys/ProcessMessagesNonQv_10-2-1-2_test/ProcessMessagesNonQv_10-2-1-2_test_js/ProcessMessagesNonQv_10-2-1-2_test.wasm",
+          "tallyWasm": "../cli/zkeys/TallyVotesNonQv_10-1-2_test/TallyVotesNonQv_10-1-2_test_js/TallyVotesNonQv_10-1-2_test.wasm"
+        }
+      }
+    },
+    "Poll": {
+      "pollDuration": 3600,
+      "coordinatorPubkey": "macipk.9a59264310d95cfd8eb7083aebeba221b5c26e77427f12b7c0f50bc1cc35e621",
+      "useQuadraticVoting": false
+    }
   }
 }
diff --git a/contracts/tasks/deploy/maci/08-maci.ts b/contracts/tasks/deploy/maci/08-maci.ts
index 4c975aee1c..28699c04bd 100644
--- a/contracts/tasks/deploy/maci/08-maci.ts
+++ b/contracts/tasks/deploy/maci/08-maci.ts
@@ -119,7 +119,7 @@ deployment.deployTask("full:deploy-maci", "Deploy MACI contract").then((task) =>
         gatekeeperContractAddress,
         constantInitialVoiceCreditProxyContractAddress,
         stateTreeDepth,
-        emptyBallotRoots,
+        emptyBallotRoots.toString(),
       ],
       network: hre.network.name,
     });