diff --git a/hardhat.config.ts b/hardhat.config.ts
index 1a37d073b..647f4e471 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -108,7 +108,7 @@ const config: HardhatUserConfig = {
           },
           outputSelection: {
             '*': {
-              '*': ['storageLayout'],
+              '*': ['storageLayout', 'metadata'],
             },
           },
         },
diff --git a/tasks/verify/verify.ts b/tasks/verify/verify.ts
index 6139aadda..f3639d3c4 100644
--- a/tasks/verify/verify.ts
+++ b/tasks/verify/verify.ts
@@ -3,7 +3,10 @@ import * as types from 'hardhat/internal/core/params/argumentTypes'
 import { submitSourcesToSourcify } from './sourcify'
 import { isFullyQualifiedName, parseFullyQualifiedName } from 'hardhat/utils/contract-names'
 import { TASK_COMPILE } from 'hardhat/builtin-tasks/task-names'
+import { getAddressBook } from '../../cli/address-book'
+import { cliOpts } from '../../cli/defaults'
 import fs from 'fs'
+import path from 'path'
 
 task('sourcify', 'Verifies contract on sourcify')
   .addPositionalParam('address', 'Address of the smart contract to verify', undefined, types.string)
@@ -27,3 +30,60 @@ task('sourcify', 'Verifies contract on sourcify')
       fqn: args.contract,
     })
   })
+
+task('sourcifyAll', 'Verifies all contracts on sourcify')
+  .addParam('addressBook', cliOpts.addressBook.description, cliOpts.addressBook.default)
+  .setAction(async (_args, hre) => {
+    const chainId = hre.network.config.chainId
+    const chainName = hre.network.name
+
+    if (!chainId || !chainName) {
+      throw new Error('Cannot verify contracts without a network')
+    }
+    console.log(`> Verifying all contracts on chain ${chainName}[${chainId}]...`)
+    const addressBook = getAddressBook(cliOpts.addressBook.default, chainId.toString())
+
+    for (const contractName of addressBook.listEntries()) {
+      console.log(`\n> Verifying contract ${contractName}...`)
+
+      const contractPath = getContractPath(contractName)
+      if (contractPath) {
+        const contract = addressBook.getEntry(contractName)
+        if (contract.implementation) {
+          console.log('Contract is upgradeable, verifying proxy...')
+
+          await hre.run('sourcify', {
+            address: contract.address,
+            contract: 'contracts/upgrades/GraphProxy.sol:GraphProxy',
+          })
+        }
+
+        // Verify implementation
+        await hre.run('sourcify', {
+          address: contract.implementation?.address ?? contract.address,
+          contract: `${contractPath}:${contractName}`,
+        })
+      } else {
+        console.log(`Contract ${contractName} not found.`)
+      }
+    }
+  })
+
+function getContractPath(contract: string): string | undefined {
+  const files = readDirRecursive('contracts/')
+  return files.find((f) => path.basename(f) === `${contract}.sol`)
+}
+
+function readDirRecursive(dir: string, allFiles: string[] = []) {
+  const files = fs.readdirSync(dir)
+
+  for (const file of files) {
+    if (fs.statSync(path.join(dir, file)).isDirectory()) {
+      allFiles = readDirRecursive(path.join(dir, file), allFiles)
+    } else {
+      allFiles.push(path.join(dir, file))
+    }
+  }
+
+  return allFiles
+}