diff --git a/packages/server/lib/cloud/protocol.ts b/packages/server/lib/cloud/protocol.ts
index ed90cdd19e38..0f26cd6aea2a 100644
--- a/packages/server/lib/cloud/protocol.ts
+++ b/packages/server/lib/cloud/protocol.ts
@@ -8,6 +8,7 @@ import os from 'os'
 import { createGzip } from 'zlib'
 import fetch from 'cross-fetch'
 import { performance } from 'perf_hooks'
+import crypto from 'crypto'
 
 const routes = require('./routes')
 const pkg = require('@packages/root')
@@ -46,6 +47,9 @@ export class ProtocolManager implements ProtocolManagerShape {
               now: performance.now,
               timeOrigin: performance.timeOrigin,
             },
+            createHash: (text) => {
+              return crypto.createHash('md5').update(text).digest('hex')
+            },
           },
         })
 
@@ -78,6 +82,7 @@ export class ProtocolManager implements ProtocolManagerShape {
             if (CAPTURE_ERRORS) {
               this._errors.push({ captureMethod: 'cdpClient.on', error, args: [event, message] })
             } else {
+              debug('error in cdpClient.on %O', { error, event, message })
               throw error
             }
           }
diff --git a/packages/server/test/support/fixtures/cloud/protocol/test-protocol.ts b/packages/server/test/support/fixtures/cloud/protocol/test-protocol.ts
index e6410abf08bf..9512dadc8245 100644
--- a/packages/server/test/support/fixtures/cloud/protocol/test-protocol.ts
+++ b/packages/server/test/support/fixtures/cloud/protocol/test-protocol.ts
@@ -5,14 +5,19 @@ declare const performance: {
   now(): number
   timeOrigin: number
 }
+declare const createHash: {
+  (text: string): string
+}
 
 export class AppCaptureProtocol implements ProtocolManagerShape {
   private Debug: typeof Debug
   private performance: typeof performance
+  private createHash: typeof createHash
 
   constructor () {
     this.Debug = Debug
     this.performance = performance
+    this.createHash = createHash
   }
 
   setupProtocol = (script, runId) => {
diff --git a/packages/server/test/unit/cloud/protocol_spec.ts b/packages/server/test/unit/cloud/protocol_spec.ts
index b67c286395c5..bb29aa090933 100644
--- a/packages/server/test/unit/cloud/protocol_spec.ts
+++ b/packages/server/test/unit/cloud/protocol_spec.ts
@@ -42,6 +42,7 @@ describe('lib/cloud/protocol', () => {
     expect((protocol as any).performance).not.to.be.undefined
     expect((protocol as any).performance.now).not.to.be.undefined
     expect((protocol as any).performance.timeOrigin).not.to.be.undefined
+    expect((protocol as any).createHash).not.to.be.undefined
   })
 
   it('should be able to connect to the browser', async () => {
diff --git a/system-tests/lib/protocolStub.ts b/system-tests/lib/protocolStub.ts
index 736faf84abef..6803bcad0acd 100644
--- a/system-tests/lib/protocolStub.ts
+++ b/system-tests/lib/protocolStub.ts
@@ -5,14 +5,19 @@ declare const performance: {
   now(): number
   timeOrigin: number
 }
+declare const createHash: {
+  (text: string): string
+}
 
 export class AppCaptureProtocol implements ProtocolManagerShape {
   private Debug: typeof Debug
   private performance: typeof performance
+  private createHash: typeof createHash
 
   constructor () {
     this.Debug = Debug
     this.performance = performance
+    this.createHash = createHash
   }
 
   setupProtocol = (script, runId) => {