diff --git a/apps/server/src/modules/tool/tool-launch/service/auto-parameter-strategy/auto-moin-schule-group-uuid.strategy.ts b/apps/server/src/modules/tool/tool-launch/service/auto-parameter-strategy/auto-moin-schule-group-uuid.strategy.ts
new file mode 100644
index 00000000000..f9fe98e81d9
--- /dev/null
+++ b/apps/server/src/modules/tool/tool-launch/service/auto-parameter-strategy/auto-moin-schule-group-uuid.strategy.ts
@@ -0,0 +1,38 @@
+import { Injectable } from '@nestjs/common';
+import { CourseService } from '@modules/learnroom';
+import { ToolContextType } from '../../../common/enum';
+import { MissingToolParameterValueLoggableException } from '../../error';
+import { ContextExternalToolLaunchable } from '../../../context-external-tool/domain';
+import { SchoolExternalTool } from '../../../school-external-tool/domain';
+import { AutoParameterStrategy } from './auto-parameter.strategy';
+
+@Injectable()
+export class AutoMoinSchuleGroupUuidStrategy implements AutoParameterStrategy {
+	constructor(private readonly courseService: CourseService) {}
+
+	async getValue(
+		_schoolExternalTool: SchoolExternalTool,
+		contextExternalTool: ContextExternalToolLaunchable
+	): Promise<string | undefined> {
+		if (contextExternalTool.contextRef.type !== ToolContextType.COURSE) {
+			return undefined;
+		}
+
+		const courseId = contextExternalTool.contextRef.id;
+		const courseEntity = await this.courseService.findById(courseId);
+		const syncedGroup = courseEntity.syncedWithGroup;
+
+		if (!syncedGroup) {
+			return undefined;
+		}
+
+		const uuid = syncedGroup.externalSource?.externalId;
+
+		if (!uuid) {
+			// TODO: think if a new special error is needed for this case
+			throw new MissingToolParameterValueLoggableException(contextExternalTool, []);
+		}
+
+		return uuid;
+	}
+}
diff --git a/apps/server/src/modules/tool/tool-launch/service/auto-parameter-strategy/index.ts b/apps/server/src/modules/tool/tool-launch/service/auto-parameter-strategy/index.ts
index 30f058547a1..780f72eab94 100644
--- a/apps/server/src/modules/tool/tool-launch/service/auto-parameter-strategy/index.ts
+++ b/apps/server/src/modules/tool/tool-launch/service/auto-parameter-strategy/index.ts
@@ -3,4 +3,5 @@ export * from './auto-school-id.strategy';
 export * from './auto-context-id.strategy';
 export * from './auto-context-name.strategy';
 export * from './auto-school-number.strategy';
+export * from './auto-moin-schule-group-uuid.strategy';
 export { AutoMediumIdStrategy } from './auto-medium-id.strategy';
diff --git a/apps/server/src/modules/tool/tool-launch/service/launch-strategy/abstract-launch.strategy.ts b/apps/server/src/modules/tool/tool-launch/service/launch-strategy/abstract-launch.strategy.ts
index 9abfb4cf78c..42c4ea95249 100644
--- a/apps/server/src/modules/tool/tool-launch/service/launch-strategy/abstract-launch.strategy.ts
+++ b/apps/server/src/modules/tool/tool-launch/service/launch-strategy/abstract-launch.strategy.ts
@@ -16,6 +16,7 @@ import {
 	AutoParameterStrategy,
 	AutoSchoolIdStrategy,
 	AutoSchoolNumberStrategy,
+	AutoMoinSchuleGroupUuidStrategy,
 } from '../auto-parameter-strategy';
 import { ToolLaunchParams } from './tool-launch-params.interface';
 import { ToolLaunchStrategy } from './tool-launch-strategy.interface';
@@ -29,7 +30,8 @@ export abstract class AbstractLaunchStrategy implements ToolLaunchStrategy {
 		autoSchoolNumberStrategy: AutoSchoolNumberStrategy,
 		autoContextIdStrategy: AutoContextIdStrategy,
 		autoContextNameStrategy: AutoContextNameStrategy,
-		autoMediumIdStrategy: AutoMediumIdStrategy
+		autoMediumIdStrategy: AutoMediumIdStrategy,
+		autoMoinSchuleGroupUuidStrategy: AutoMoinSchuleGroupUuidStrategy
 	) {
 		this.autoParameterStrategyMap = new Map<CustomParameterType, AutoParameterStrategy>([
 			[CustomParameterType.AUTO_SCHOOLID, autoSchoolIdStrategy],
@@ -37,6 +39,7 @@ export abstract class AbstractLaunchStrategy implements ToolLaunchStrategy {
 			[CustomParameterType.AUTO_CONTEXTID, autoContextIdStrategy],
 			[CustomParameterType.AUTO_CONTEXTNAME, autoContextNameStrategy],
 			[CustomParameterType.AUTO_MEDIUMID, autoMediumIdStrategy],
+			[CustomParameterType.AUTO_MOINSCHULE_GROUPUUID, autoMoinSchuleGroupUuidStrategy],
 		]);
 	}
 
diff --git a/apps/server/src/modules/tool/tool-launch/service/launch-strategy/lti11-tool-launch.strategy.ts b/apps/server/src/modules/tool/tool-launch/service/launch-strategy/lti11-tool-launch.strategy.ts
index 30a601f6025..b054e00a600 100644
--- a/apps/server/src/modules/tool/tool-launch/service/launch-strategy/lti11-tool-launch.strategy.ts
+++ b/apps/server/src/modules/tool/tool-launch/service/launch-strategy/lti11-tool-launch.strategy.ts
@@ -16,6 +16,7 @@ import {
 	AutoMediumIdStrategy,
 	AutoSchoolIdStrategy,
 	AutoSchoolNumberStrategy,
+	AutoMoinSchuleGroupUuidStrategy,
 } from '../auto-parameter-strategy';
 import { Lti11EncryptionService } from '../lti11-encryption.service';
 import { AbstractLaunchStrategy } from './abstract-launch.strategy';
@@ -31,14 +32,16 @@ export class Lti11ToolLaunchStrategy extends AbstractLaunchStrategy {
 		autoSchoolNumberStrategy: AutoSchoolNumberStrategy,
 		autoContextIdStrategy: AutoContextIdStrategy,
 		autoContextNameStrategy: AutoContextNameStrategy,
-		autoMediumIdStrategy: AutoMediumIdStrategy
+		autoMediumIdStrategy: AutoMediumIdStrategy,
+		autoMoinSchuleGroupUuidStrategy: AutoMoinSchuleGroupUuidStrategy
 	) {
 		super(
 			autoSchoolIdStrategy,
 			autoSchoolNumberStrategy,
 			autoContextIdStrategy,
 			autoContextNameStrategy,
-			autoMediumIdStrategy
+			autoMediumIdStrategy,
+			autoMoinSchuleGroupUuidStrategy
 		);
 	}
 
diff --git a/apps/server/src/modules/tool/tool-launch/tool-launch.module.ts b/apps/server/src/modules/tool/tool-launch/tool-launch.module.ts
index 9c1504321a9..c029e50457e 100644
--- a/apps/server/src/modules/tool/tool-launch/tool-launch.module.ts
+++ b/apps/server/src/modules/tool/tool-launch/tool-launch.module.ts
@@ -15,6 +15,7 @@ import {
 	AutoMediumIdStrategy,
 	AutoSchoolIdStrategy,
 	AutoSchoolNumberStrategy,
+	AutoMoinSchuleGroupUuidStrategy,
 } from './service/auto-parameter-strategy';
 import { BasicToolLaunchStrategy, Lti11ToolLaunchStrategy, OAuth2ToolLaunchStrategy } from './service/launch-strategy';
 
@@ -41,6 +42,7 @@ import { BasicToolLaunchStrategy, Lti11ToolLaunchStrategy, OAuth2ToolLaunchStrat
 		AutoSchoolIdStrategy,
 		AutoSchoolNumberStrategy,
 		AutoMediumIdStrategy,
+		AutoMoinSchuleGroupUuidStrategy,
 	],
 	exports: [ToolLaunchService],
 })