diff --git a/packages/twenty-cli/package.json b/packages/twenty-cli/package.json
index d84657312d2..eb63f1a7604 100644
--- a/packages/twenty-cli/package.json
+++ b/packages/twenty-cli/package.json
@@ -43,6 +43,7 @@
     "typescript": "^5.3.0"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": "^24.5.0",
+    "yarn": "^4.0.2"
   }
 }
diff --git a/packages/twenty-cli/schemas/serverlessFunction.schema.json b/packages/twenty-cli/schemas/serverlessFunction.schema.json
index adf55a69c50..7d52216f186 100644
--- a/packages/twenty-cli/schemas/serverlessFunction.schema.json
+++ b/packages/twenty-cli/schemas/serverlessFunction.schema.json
@@ -20,8 +20,8 @@
     },
     "name": {
       "type": "string",
-      "description": "Name singular for the serverless function",
-      "pattern": "^[a-zA-Z][a-zA-Z0-9]*$",
+      "description": "Name singular for the serverless function (eg: my-serverless-function)",
+      "pattern": "^[a-z0-9-]+$",
       "minLength": 1,
       "maxLength": 100
     },
diff --git a/packages/twenty-cli/src/commands/app-delete.command.ts b/packages/twenty-cli/src/commands/app-delete.command.ts
new file mode 100644
index 00000000000..8e782b57e24
--- /dev/null
+++ b/packages/twenty-cli/src/commands/app-delete.command.ts
@@ -0,0 +1,54 @@
+import inquirer from 'inquirer';
+import chalk from 'chalk';
+import { ApiService } from '../services/api.service';
+import { CURRENT_EXECUTION_DIRECTORY } from '../constants/current-execution-directory';
+import { loadManifest } from '../utils/app-manifest-loader';
+
+export class AppDeleteCommand {
+  private apiService = new ApiService();
+
+  async execute(): Promise<void> {
+    try {
+      const appPath = CURRENT_EXECUTION_DIRECTORY;
+
+      console.log(chalk.blue('🚀 Deleting Twenty Application'));
+      console.log(chalk.gray(`📁 App Path: ${appPath}`));
+      console.log('');
+
+      if (!(await this.confirmationPrompt())) {
+        console.error(chalk.red('⛔️ Aborting deletion'));
+        process.exit(1);
+      }
+
+      const { packageJson } = await loadManifest(appPath);
+
+      const result = await this.apiService.deleteApplication(packageJson);
+
+      if (!result.success) {
+        console.error(chalk.red('❌ Deletion failed:'), result.error);
+        process.exit(1);
+      }
+
+      console.log(chalk.green('✅ Application deleted successfully'));
+    } catch (error) {
+      console.error(
+        chalk.red('Deletion failed:'),
+        error instanceof Error ? error.message : error,
+      );
+      process.exit(1);
+    }
+  }
+
+  private async confirmationPrompt(): Promise<boolean> {
+    const { confirmation } = await inquirer.prompt([
+      {
+        type: 'confirm',
+        name: 'confirmation',
+        message: 'Are you sure you want to delete this application?',
+        default: false,
+      },
+    ]);
+
+    return confirmation;
+  }
+}
diff --git a/packages/twenty-cli/src/commands/app-dev.command.ts b/packages/twenty-cli/src/commands/app-dev.command.ts
index ac3b01789c2..166e30b3142 100644
--- a/packages/twenty-cli/src/commands/app-dev.command.ts
+++ b/packages/twenty-cli/src/commands/app-dev.command.ts
@@ -1,8 +1,8 @@
 import chalk from 'chalk';
 import * as chokidar from 'chokidar';
 import { ApiService } from '../services/api.service';
-import { syncApp } from '../utils/app-sync';
 import { CURRENT_EXECUTION_DIRECTORY } from '../constants/current-execution-directory';
+import { loadManifest } from '../utils/app-manifest-loader';
 
 export class AppDevCommand {
   private apiService = new ApiService();
@@ -15,7 +15,13 @@ export class AppDevCommand {
 
       this.logStartupInfo(appPath, debounceMs);
 
-      await syncApp(appPath, this.apiService);
+      const { manifest, packageJson, yarnLock } = await loadManifest(appPath);
+
+      await this.apiService.syncApplication({
+        manifest,
+        packageJson,
+        yarnLock,
+      });
 
       const watcher = this.setupFileWatcher(appPath, debounceMs);
 
@@ -54,7 +60,15 @@ export class AppDevCommand {
 
       timeout = setTimeout(async () => {
         console.log(chalk.blue('🔄 Changes detected, syncing...'));
-        await syncApp(appPath, this.apiService);
+
+        const { manifest, packageJson, yarnLock } = await loadManifest(appPath);
+
+        await this.apiService.syncApplication({
+          manifest,
+          packageJson,
+          yarnLock,
+        });
+
         console.log(
           chalk.gray('👀 Watching for changes... (Press Ctrl+C to stop)'),
         );
diff --git a/packages/twenty-cli/src/commands/app-sync.command.ts b/packages/twenty-cli/src/commands/app-sync.command.ts
index 98664632237..9b48676dda8 100644
--- a/packages/twenty-cli/src/commands/app-sync.command.ts
+++ b/packages/twenty-cli/src/commands/app-sync.command.ts
@@ -1,7 +1,7 @@
 import chalk from 'chalk';
 import { ApiService } from '../services/api.service';
-import { syncApp } from '../utils/app-sync';
 import { CURRENT_EXECUTION_DIRECTORY } from '../constants/current-execution-directory';
+import { loadManifest } from '../utils/app-manifest-loader';
 
 export class AppSyncCommand {
   private apiService = new ApiService();
@@ -14,7 +14,13 @@ export class AppSyncCommand {
       console.log(chalk.gray(`📁 App Path: ${appPath}`));
       console.log('');
 
-      const result = await syncApp(appPath, this.apiService);
+      const { manifest, packageJson, yarnLock } = await loadManifest(appPath);
+
+      const result = await this.apiService.syncApplication({
+        manifest,
+        packageJson,
+        yarnLock,
+      });
 
       if (!result.success) {
         console.error(chalk.red('❌ Sync failed:'), result.error);
diff --git a/packages/twenty-cli/src/commands/app.command.ts b/packages/twenty-cli/src/commands/app.command.ts
index 45a610a8a68..b5116684944 100644
--- a/packages/twenty-cli/src/commands/app.command.ts
+++ b/packages/twenty-cli/src/commands/app.command.ts
@@ -2,6 +2,7 @@ import { Command } from 'commander';
 import { AppSyncCommand } from './app-sync.command';
 import { AppDevCommand } from './app-dev.command';
 import { AppInitCommand } from './app-init.command';
+import { AppDeleteCommand } from './app-delete.command';
 import {
   AppAddCommand,
   isSyncableEntity,
@@ -12,6 +13,7 @@ import chalk from 'chalk';
 export class AppCommand {
   private devCommand = new AppDevCommand();
   private syncCommand = new AppSyncCommand();
+  private deleteCommand = new AppDeleteCommand();
   private initCommand = new AppInitCommand();
   private addCommand = new AppAddCommand();
 
@@ -34,6 +36,13 @@ export class AppCommand {
         await this.syncCommand.execute();
       });
 
+    appCommand
+      .command('delete')
+      .description('Delete application from Twenty')
+      .action(async () => {
+        await this.deleteCommand.execute();
+      });
+
     appCommand
       .command('init [directory]')
       .description('Initialize a new Twenty application')
diff --git a/packages/twenty-cli/src/services/api.service.ts b/packages/twenty-cli/src/services/api.service.ts
index 6743b97b250..4ebd3ca6e93 100644
--- a/packages/twenty-cli/src/services/api.service.ts
+++ b/packages/twenty-cli/src/services/api.service.ts
@@ -72,7 +72,6 @@ export class ApiService {
           headers: {
             'Content-Type': 'application/json',
             Accept: '*/*',
-            'x-schema-version': '6',
           },
         },
       );
@@ -115,7 +114,6 @@ export class ApiService {
           headers: {
             'Content-Type': 'application/json',
             Accept: '*/*',
-            'x-schema-version': '6',
           },
         },
       );
@@ -143,4 +141,52 @@ export class ApiService {
       throw error;
     }
   }
+
+  async deleteApplication(packageJson: PackageJson): Promise<ApiResponse> {
+    try {
+      const mutation = `
+        mutation DeleteApplication($packageJson: JSON!) {
+          deleteApplication(packageJson: $packageJson)
+        }
+      `;
+
+      const variables = { packageJson };
+
+      const response: AxiosResponse = await this.client.post(
+        '/metadata',
+        {
+          query: mutation,
+          variables,
+        },
+        {
+          headers: {
+            'Content-Type': 'application/json',
+            Accept: '*/*',
+          },
+        },
+      );
+
+      if (response.data.errors) {
+        return {
+          success: false,
+          error:
+            response.data.errors[0]?.message || 'Failed to delete application',
+        };
+      }
+
+      return {
+        success: true,
+        data: response.data.data.deleteApplication,
+        message: `Successfully deleted application: ${packageJson.name}`,
+      };
+    } catch (error) {
+      if (axios.isAxiosError(error) && error.response) {
+        return {
+          success: false,
+          error: error.response.data?.errors?.[0]?.message || error.message,
+        };
+      }
+      throw error;
+    }
+  }
 }
diff --git a/packages/twenty-cli/src/utils/app-sync.ts b/packages/twenty-cli/src/utils/app-sync.ts
deleted file mode 100644
index e2bb9609bfe..00000000000
--- a/packages/twenty-cli/src/utils/app-sync.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-import chalk from 'chalk';
-import { ApiService } from '../services/api.service';
-import { loadManifest } from './app-manifest-loader';
-
-export const syncApp = async (
-  appPath: string,
-  apiService: ApiService,
-): Promise<any> => {
-  const { manifest, packageJson, yarnLock } = await loadManifest(appPath);
-
-  try {
-    const result = await apiService.syncApplication({
-      manifest,
-      packageJson,
-      yarnLock,
-    });
-
-    if (result.success) {
-      console.log(chalk.green('✅ Application synced successfully'));
-    } else {
-      console.error(chalk.red('❌ Sync failed:'), result.error);
-    }
-
-    return result;
-  } catch (error) {
-    console.error(
-      chalk.red('Sync error:'),
-      error instanceof Error ? error.message : error,
-    );
-    throw error;
-  }
-};
diff --git a/packages/twenty-front/src/generated-metadata/graphql.ts b/packages/twenty-front/src/generated-metadata/graphql.ts
index 45df30ff69b..10ba0fee63e 100644
--- a/packages/twenty-front/src/generated-metadata/graphql.ts
+++ b/packages/twenty-front/src/generated-metadata/graphql.ts
@@ -1694,6 +1694,7 @@ export type Mutation = {
   createWorkflowVersionEdge: WorkflowVersionStepChanges;
   createWorkflowVersionStep: WorkflowVersionStepChanges;
   deactivateWorkflowVersion: Scalars['Boolean'];
+  deleteApplication: Scalars['Boolean'];
   deleteApprovedAccessDomain: Scalars['Boolean'];
   deleteCoreView: Scalars['Boolean'];
   deleteCoreViewField: CoreViewField;
@@ -2057,6 +2058,11 @@ export type MutationDeactivateWorkflowVersionArgs = {
 };
 
 
+export type MutationDeleteApplicationArgs = {
+  packageJson: Scalars['JSON'];
+};
+
+
 export type MutationDeleteApprovedAccessDomainArgs = {
   input: DeleteApprovedAccessDomainInput;
 };
diff --git a/packages/twenty-front/src/generated/graphql.ts b/packages/twenty-front/src/generated/graphql.ts
index 435d5b4204d..71b035695fc 100644
--- a/packages/twenty-front/src/generated/graphql.ts
+++ b/packages/twenty-front/src/generated/graphql.ts
@@ -1650,6 +1650,7 @@ export type Mutation = {
   createWorkflowVersionEdge: WorkflowVersionStepChanges;
   createWorkflowVersionStep: WorkflowVersionStepChanges;
   deactivateWorkflowVersion: Scalars['Boolean'];
+  deleteApplication: Scalars['Boolean'];
   deleteApprovedAccessDomain: Scalars['Boolean'];
   deleteCoreView: Scalars['Boolean'];
   deleteCoreViewField: CoreViewField;
@@ -1993,6 +1994,11 @@ export type MutationDeactivateWorkflowVersionArgs = {
 };
 
 
+export type MutationDeleteApplicationArgs = {
+  packageJson: Scalars['JSON'];
+};
+
+
 export type MutationDeleteApprovedAccessDomainArgs = {
   input: DeleteApprovedAccessDomainInput;
 };
diff --git a/packages/twenty-server/src/engine/core-modules/application/application.resolver.ts b/packages/twenty-server/src/engine/core-modules/application/application.resolver.ts
index 575dfc18f4d..026de3c7a78 100644
--- a/packages/twenty-server/src/engine/core-modules/application/application.resolver.ts
+++ b/packages/twenty-server/src/engine/core-modules/application/application.resolver.ts
@@ -6,12 +6,15 @@ import { AuthWorkspace } from 'src/engine/decorators/auth/auth-workspace.decorat
 import { WorkspaceAuthGuard } from 'src/engine/guards/workspace-auth.guard';
 import { ApplicationSyncService } from 'src/engine/core-modules/application/application-sync.service';
 import { ApplicationInput } from 'src/engine/core-modules/application/dtos/application.input';
+import { DeleteApplicationInput } from 'src/engine/core-modules/application/dtos/deleteApplication.input';
+import { ApplicationService } from 'src/engine/core-modules/application/application.service';
 
 @UseGuards(WorkspaceAuthGuard)
 @Resolver()
 export class ApplicationResolver {
   constructor(
     private readonly applicationSyncService: ApplicationSyncService,
+    private readonly applicationService: ApplicationService,
   ) {}
 
   @Mutation(() => Boolean)
@@ -28,4 +31,17 @@ export class ApplicationResolver {
 
     return true;
   }
+
+  @Mutation(() => Boolean)
+  async deleteApplication(
+    @Args() { packageJson }: DeleteApplicationInput,
+    @AuthWorkspace() { id: workspaceId }: Workspace,
+  ) {
+    await this.applicationService.delete(
+      packageJson.universalIdentifier,
+      workspaceId,
+    );
+
+    return true;
+  }
 }
diff --git a/packages/twenty-server/src/engine/core-modules/application/application.service.ts b/packages/twenty-server/src/engine/core-modules/application/application.service.ts
index 766eb5e001e..b3fece99f30 100644
--- a/packages/twenty-server/src/engine/core-modules/application/application.service.ts
+++ b/packages/twenty-server/src/engine/core-modules/application/application.service.ts
@@ -2,6 +2,7 @@ import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
 import { Repository } from 'typeorm';
+import { isDefined } from 'twenty-shared/utils';
 
 import { ApplicationEntity } from 'src/engine/core-modules/application/application.entity';
 import { PackageJson } from 'src/engine/core-modules/application/types/application.types';
@@ -70,4 +71,20 @@ export class ApplicationService {
 
     return updatedApplication;
   }
+
+  async delete(universalIdentifier: string, workspaceId: string) {
+    const application = await this.findByUniversalIdentifier(
+      universalIdentifier,
+      workspaceId,
+    );
+
+    if (!isDefined(application)) {
+      throw new Error(`Application does not exist`);
+    }
+
+    await this.applicationRepository.delete({
+      universalIdentifier,
+      workspaceId,
+    });
+  }
 }
diff --git a/packages/twenty-server/src/engine/core-modules/application/dtos/deleteApplication.input.ts b/packages/twenty-server/src/engine/core-modules/application/dtos/deleteApplication.input.ts
new file mode 100644
index 00000000000..1863c03f6ae
--- /dev/null
+++ b/packages/twenty-server/src/engine/core-modules/application/dtos/deleteApplication.input.ts
@@ -0,0 +1,11 @@
+import { ArgsType, Field } from '@nestjs/graphql';
+
+import GraphQLJSON from 'graphql-type-json';
+
+import { PackageJson } from 'src/engine/core-modules/application/types/application.types';
+
+@ArgsType()
+export class DeleteApplicationInput {
+  @Field(() => GraphQLJSON, { nullable: false })
+  packageJson: PackageJson;
+}
diff --git a/yarn.lock b/yarn.lock
index 6078acd0dcc..918aca1d018 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -21784,7 +21784,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:^20.0.0, @types/node@npm:^20.3.1":
+"@types/node@npm:^20.0.0":
+  version: 20.19.19
+  resolution: "@types/node@npm:20.19.19"
+  dependencies:
+    undici-types: "npm:~6.21.0"
+  checksum: 10c0/488589d6d1d562ad4e8ed9bb36703a8f3bb7feed206bba867358eda0965e781a408f14ed7ff1ca334ae6f6823dcfe2eb2536ffe48e2ab02d47b4c3c5395d274a
+  languageName: node
+  linkType: hard
+
+"@types/node@npm:^20.3.1":
   version: 20.19.13
   resolution: "@types/node@npm:20.19.13"
   dependencies:
@@ -25015,7 +25024,18 @@ __metadata:
   languageName: node
   linkType: hard
 
-"axios@npm:^1.6.0, axios@npm:^1.6.1, axios@npm:^1.7.7, axios@npm:^1.8.2, axios@npm:^1.8.3":
+"axios@npm:^1.6.0":
+  version: 1.12.2
+  resolution: "axios@npm:1.12.2"
+  dependencies:
+    follow-redirects: "npm:^1.15.6"
+    form-data: "npm:^4.0.4"
+    proxy-from-env: "npm:^1.1.0"
+  checksum: 10c0/80b063e318cf05cd33a4d991cea0162f3573481946f9129efb7766f38fde4c061c34f41a93a9f9521f02b7c9565ccbc197c099b0186543ac84a24580017adfed
+  languageName: node
+  linkType: hard
+
+"axios@npm:^1.6.1, axios@npm:^1.7.7, axios@npm:^1.8.2, axios@npm:^1.8.3":
   version: 1.11.0
   resolution: "axios@npm:1.11.0"
   dependencies:
@@ -52246,7 +52266,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"tsx@npm:^4.17.0, tsx@npm:^4.19.3, tsx@npm:^4.7.0":
+"tsx@npm:^4.17.0, tsx@npm:^4.19.3":
   version: 4.20.5
   resolution: "tsx@npm:4.20.5"
   dependencies:
@@ -52262,6 +52282,22 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tsx@npm:^4.7.0":
+  version: 4.20.6
+  resolution: "tsx@npm:4.20.6"
+  dependencies:
+    esbuild: "npm:~0.25.0"
+    fsevents: "npm:~2.3.3"
+    get-tsconfig: "npm:^4.7.5"
+  dependenciesMeta:
+    fsevents:
+      optional: true
+  bin:
+    tsx: dist/cli.mjs
+  checksum: 10c0/07757a9bf62c271e0a00869b2008c5f2d6e648766536e4faf27d9d8027b7cde1ac8e4871f4bb570c99388bcee0018e6869dad98c07df809b8052f9c549cd216f
+  languageName: node
+  linkType: hard
+
 "tty-browserify@npm:0.0.1":
   version: 0.0.1
   resolution: "tty-browserify@npm:0.0.1"