diff --git a/apps/meteor/app/utils/client/lib/SDKClient.ts b/apps/meteor/app/utils/client/lib/SDKClient.ts
index 387adde9fbe75..4bf19107e2857 100644
--- a/apps/meteor/app/utils/client/lib/SDKClient.ts
+++ b/apps/meteor/app/utils/client/lib/SDKClient.ts
@@ -1,10 +1,10 @@
 import type { RestClientInterface } from '@rocket.chat/api-client';
 import type { SDK, ClientStream, StreamKeys, StreamNames, StreamerCallbackArgs, ServerMethods } from '@rocket.chat/ddp-client';
 import { Emitter } from '@rocket.chat/emitter';
-import { DDPCommon } from 'meteor/ddp-common';
 import { Meteor } from 'meteor/meteor';
 
 import { APIClient } from './RestApiClient';
+import { parseDDP } from '../../../../client/lib/sdk/ddpProtocol';
 import { ensureConnectedAndAuthenticated, getDdpSdk } from '../../../../client/lib/sdk/ddpSdk';
 import { isSdkTransportEnabled } from '../../../../client/lib/sdk/sdkTransportEnabled';
 
@@ -267,7 +267,7 @@ const createStreamManager = () => {
 		// the SDK socket and createNewDdpSdkStream registers its own onCollection
 		// listener instead.
 		Meteor.connection._stream!.on('message', (rawMsg: string) => {
-			const msg = DDPCommon.parseDDP(rawMsg);
+			const msg = parseDDP(rawMsg);
 			if (!isChangedCollectionPayload(msg)) {
 				return;
 			}
diff --git a/apps/meteor/client/lib/presence.spec.ts b/apps/meteor/client/lib/presence.spec.ts
index 5e630bd4f03da..a0ff998ca4f84 100644
--- a/apps/meteor/client/lib/presence.spec.ts
+++ b/apps/meteor/client/lib/presence.spec.ts
@@ -6,6 +6,10 @@ jest.mock('meteor/meteor', () => ({
 	Meteor: {
 		subscribe: jest.fn(),
 	},
+	DDPCommon: {
+		parseDDP: jest.fn((msg: string) => JSON.parse(msg)),
+		stringifyDDP: jest.fn((msg: unknown) => JSON.stringify(msg)),
+	},
 }));
 
 const mockGet = jest.fn();
diff --git a/apps/meteor/client/lib/sdk/ddpProtocol.ts b/apps/meteor/client/lib/sdk/ddpProtocol.ts
new file mode 100644
index 0000000000000..4a9011e619cf8
--- /dev/null
+++ b/apps/meteor/client/lib/sdk/ddpProtocol.ts
@@ -0,0 +1,10 @@
+// Single point of access to the DDP wire codec. Today it forwards to Meteor's
+// `ddp-common` package; the eventual replacement will be a standalone EJSON
+// helper. Consumers MUST import parseDDP / stringifyDDP from here so the codec
+// stays swappable.
+
+import { DDPCommon } from 'meteor/ddp-common';
+
+export const { parseDDP, stringifyDDP } = DDPCommon;
+
+export type DDPMessage = Parameters<typeof stringifyDDP>[0];
diff --git a/apps/meteor/client/lib/sdk/meteorBackedSdk.ts b/apps/meteor/client/lib/sdk/meteorBackedSdk.ts
index d50e3a70da4aa..f9ec3e825eb17 100644
--- a/apps/meteor/client/lib/sdk/meteorBackedSdk.ts
+++ b/apps/meteor/client/lib/sdk/meteorBackedSdk.ts
@@ -1,9 +1,10 @@
 import type { DDPSDK } from '@rocket.chat/ddp-client';
 import { Emitter } from '@rocket.chat/emitter';
 import { Accounts } from 'meteor/accounts-base';
-import { DDPCommon } from 'meteor/ddp-common';
 import { Meteor } from 'meteor/meteor';
 
+import { parseDDP } from './ddpProtocol';
+
 /**
  * Meteor-backed pass-through DDPSDK used when the SDK transport is OFF.
  *
@@ -100,7 +101,7 @@ const createMeteorBackedClient = () => {
 		const handler = (rawMsg: string): void => {
 			let msg: unknown;
 			try {
-				msg = DDPCommon.parseDDP(rawMsg);
+				msg = parseDDP(rawMsg);
 			} catch {
 				return;
 			}
diff --git a/apps/meteor/client/meteor/overrides/ddpOverREST.ts b/apps/meteor/client/meteor/overrides/ddpOverREST.ts
index 210feb5d67eda..31e7fd660dcb2 100644
--- a/apps/meteor/client/meteor/overrides/ddpOverREST.ts
+++ b/apps/meteor/client/meteor/overrides/ddpOverREST.ts
@@ -1,7 +1,7 @@
-import { DDPCommon } from 'meteor/ddp-common';
 import { Meteor } from 'meteor/meteor';
 
 import { sdk } from '../../../app/utils/client/lib/SDKClient';
+import { parseDDP, stringifyDDP } from '../../lib/sdk/ddpProtocol';
 import { getUserId } from '../../lib/user';
 
 const bypassMethods: string[] = ['setUserStatus', 'logout'];
@@ -79,7 +79,7 @@ const withDDPOverREST = (_send: (this: Meteor.IMeteorConnection, message: Meteor
 		const endpoint = !getUserId() || wasResumeLogin ? 'method.callAnon' : 'method.call';
 
 		const restParams = {
-			message: DDPCommon.stringifyDDP({ ...message }),
+			message: stringifyDDP({ ...message }),
 		};
 
 		const method = encodeURIComponent(message.method.replace(/\//g, ':'));
@@ -92,7 +92,7 @@ const withDDPOverREST = (_send: (this: Meteor.IMeteorConnection, message: Meteor
 				// processed, but the Accounts.onLogin callbacks fire before that follow-up request — so any requests
 				// initiated inside onLogin callbacks queue behind the loginWithToken and only run after it completes.
 				if (!wasResumeLogin && message.method === 'login') {
-					const parsedMessage = DDPCommon.parseDDP(_message) as { result?: { token?: string } };
+					const parsedMessage = parseDDP(_message) as { result?: { token?: string } };
 					if (parsedMessage.result?.token) {
 						Meteor.loginWithToken(parsedMessage.result.token);
 					}
@@ -110,7 +110,7 @@ const withDDPOverREST = (_send: (this: Meteor.IMeteorConnection, message: Meteor
 				// open the 2FA modal.
 				if (typeof e.message === 'string') {
 					try {
-						const parsed = DDPCommon.parseDDP(e.message) as { msg?: string; id?: string };
+						const parsed = parseDDP(e.message) as { msg?: string; id?: string };
 						if (parsed?.msg === 'result' && parsed.id === message.id) {
 							processResult(e.message);
 							console.error(error);
@@ -126,7 +126,7 @@ const withDDPOverREST = (_send: (this: Meteor.IMeteorConnection, message: Meteor
 				// plain string — not a DDP frame. Re-encode as a proper DDP error
 				// result so Accounts' resume callback clears stale creds and the
 				// user isn't wedged on /home with no main UI.
-				const errorMessage = DDPCommon.stringifyDDP({
+				const errorMessage = stringifyDDP({
 					msg: 'result',
 					id: message.id,
 					error: {
diff --git a/apps/meteor/client/meteor/overrides/ddpSdkCollectionBridge.ts b/apps/meteor/client/meteor/overrides/ddpSdkCollectionBridge.ts
index 338969c365cce..1df808b1ac2eb 100644
--- a/apps/meteor/client/meteor/overrides/ddpSdkCollectionBridge.ts
+++ b/apps/meteor/client/meteor/overrides/ddpSdkCollectionBridge.ts
@@ -1,6 +1,6 @@
-import { DDPCommon } from 'meteor/ddp-common';
 import { Meteor } from 'meteor/meteor';
 
+import { type DDPMessage, stringifyDDP } from '../../lib/sdk/ddpProtocol';
 import { getDdpSdk } from '../../lib/sdk/ddpSdk';
 import { isSdkTransportEnabled } from '../../lib/sdk/sdkTransportEnabled';
 
@@ -80,9 +80,7 @@ export const installDdpSdkCollectionBridge = (): void => {
 		// rejections are contained — Meteor keeps draining the queue even when
 		// individual frames hit dead invokers.
 		try {
-			const result = Meteor.connection._streamHandlers.onMessage(
-				DDPCommon.stringifyDDP(frame as Parameters<typeof DDPCommon.stringifyDDP>[0]),
-			) as unknown;
+			const result = Meteor.connection._streamHandlers.onMessage(stringifyDDP(frame as DDPMessage)) as unknown;
 			if (result && typeof (result as Promise<unknown>).then === 'function') {
 				(result as Promise<unknown>).catch((err) => {
 					console.warn('[ddpSdk] bridge frame drop (async)', frame.msg, err);
diff --git a/apps/meteor/client/meteor/overrides/stubMeteorStream.ts b/apps/meteor/client/meteor/overrides/stubMeteorStream.ts
index 8862926f1759b..13f09db0a8643 100644
--- a/apps/meteor/client/meteor/overrides/stubMeteorStream.ts
+++ b/apps/meteor/client/meteor/overrides/stubMeteorStream.ts
@@ -1,8 +1,8 @@
 import { Accounts } from 'meteor/accounts-base';
-import { DDPCommon } from 'meteor/ddp-common';
 import { Meteor } from 'meteor/meteor';
 import { Tracker } from 'meteor/tracker';
 
+import { type DDPMessage, parseDDP, stringifyDDP } from '../../lib/sdk/ddpProtocol';
 import { adoptAccountFromMeteorLoginResult, getDdpSdk } from '../../lib/sdk/ddpSdk';
 import { isSdkTransportEnabled } from '../../lib/sdk/sdkTransportEnabled';
 
@@ -85,7 +85,7 @@ function installStubMeteorStream(): void {
 		send(data) {
 			let frame: { msg?: string; id?: string; method?: string; name?: string; params?: unknown[] } | undefined;
 			try {
-				frame = DDPCommon.parseDDP(data) as typeof frame;
+				frame = parseDDP(data) as typeof frame;
 			} catch {
 				return;
 			}
@@ -114,9 +114,7 @@ function installStubMeteorStream(): void {
 	};
 
 	const bridgePongFor = (id?: string): void => {
-		conn._streamHandlers.onMessage(
-			DDPCommon.stringifyDDP({ msg: 'pong', ...(id != null && { id }) } as unknown as Parameters<typeof DDPCommon.stringifyDDP>[0]),
-		);
+		conn._streamHandlers.onMessage(stringifyDDP({ msg: 'pong', ...(id != null && { id }) } as unknown as DDPMessage));
 	};
 
 	type SdkDdp = {
@@ -178,10 +176,10 @@ function installStubMeteorStream(): void {
 		if (c._lastSessionId) return;
 		try {
 			conn._streamHandlers.onMessage(
-				DDPCommon.stringifyDDP({
+				stringifyDDP({
 					msg: 'connected',
 					session: 'sdk-bridged',
-				} as unknown as Parameters<typeof DDPCommon.stringifyDDP>[0]),
+				} as unknown as DDPMessage),
 			);
 			fire('reset');
 		} catch (err) {
diff --git a/apps/meteor/tests/mocks/client/meteor.ts b/apps/meteor/tests/mocks/client/meteor.ts
index d17b1f3691ac0..466ccc15b6b06 100644
--- a/apps/meteor/tests/mocks/client/meteor.ts
+++ b/apps/meteor/tests/mocks/client/meteor.ts
@@ -50,3 +50,8 @@ export const EJSON = {
 	clone: jest.fn((obj) => obj),
 	equals: jest.fn((a, b) => JSON.stringify(a) === JSON.stringify(b)),
 };
+
+export const DDPCommon = {
+	parseDDP: jest.fn((msg: string) => JSON.parse(msg)),
+	stringifyDDP: jest.fn((msg: unknown) => JSON.stringify(msg)),
+};