diff --git a/.vscode/settings.json b/.vscode/settings.json
index 66f850b..3cc4817 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -9,5 +9,9 @@
   "eslint.useFlatConfig": true,
   "[json]": {
     "editor.defaultFormatter": "vscode.json-language-features"
+  },
+  "files.exclude": {
+    "**/dist": true,
+    "**/node_modules": true
   }
 }
diff --git a/eslint.config.mjs b/eslint.config.mjs
index 4bffc4c..e1ec0b4 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -1,3 +1,6 @@
+/* eslint-disable @typescript-eslint/no-unsafe-member-access */
+/* eslint-disable @typescript-eslint/no-unsafe-call */
+/* eslint-disable @typescript-eslint/no-unsafe-assignment */
 import typescriptEslintEslintPlugin from '@typescript-eslint/eslint-plugin';
 import globals from 'globals';
 import tsParser from '@typescript-eslint/parser';
@@ -39,7 +42,7 @@ export default [
 
       parserOptions: {
         project: 'tsconfig.json',
-        tsconfigRootDir: '/home/legonzaur/Documents/code/concept/back',
+        tsconfigRootDir: __dirname,
       },
     },
 
diff --git a/events b/events
index 1473c5c..a99853f 160000
--- a/events
+++ b/events
@@ -1 +1 @@
-Subproject commit 1473c5c1326a7b5915741973a09f0a0b35a2f641
+Subproject commit a99853f417ff81ec1e879aa2a91fde6e9708646f
diff --git a/src/concept/concept.controller.ts b/src/concept/concept.controller.ts
index 70bd353..ab1d968 100644
--- a/src/concept/concept.controller.ts
+++ b/src/concept/concept.controller.ts
@@ -23,7 +23,10 @@ import { ConceptService } from './concept.service';
 import { Concept } from './entities/concept.entity';
 import { ConceptPipe } from './concept.pipe';
 import { ConceptRecieveDTO } from './dto/conceptrecieve.dto';
-import { ConceptResponseDTO } from 'events/dto/conceptresponse.dto';
+import {
+  ConceptResponseDTO,
+  ConceptTypeResponseDTO,
+} from 'events/dto/conceptresponse.dto';
 
 @ApiTags('concepts')
 @Controller('concepts')
@@ -72,6 +75,14 @@ export class ConceptController {
     );
   }
 
+  @Get('/types')
+  @ApiOperation({ summary: 'List concept types' })
+  async readTypes() {
+    return (await this.conceptService.listTypes()).map(
+      (w) => new ConceptTypeResponseDTO(w),
+    );
+  }
+
   @Get('/all')
   @ApiOperation({ summary: 'List all concepts' })
   async readAll() {
diff --git a/src/concept/concept.module.ts b/src/concept/concept.module.ts
index 96985d1..c07bd65 100644
--- a/src/concept/concept.module.ts
+++ b/src/concept/concept.module.ts
@@ -6,9 +6,10 @@ import { UsersModule } from 'src/users/users.module';
 import { Concept } from './entities/concept.entity';
 import { ConceptService } from './concept.service';
 import { ConceptController } from './concept.controller';
+import { ConceptType } from './entities/concepttype.entity';
 
 @Module({
-  imports: [UsersModule, TypeOrmModule.forFeature([Concept])],
+  imports: [UsersModule, TypeOrmModule.forFeature([Concept, ConceptType])],
   providers: [ConceptService],
   controllers: [ConceptController],
 })
diff --git a/src/concept/concept.seed.json b/src/concept/concept.seed.json
new file mode 100644
index 0000000..f5216be
--- /dev/null
+++ b/src/concept/concept.seed.json
@@ -0,0 +1,22 @@
+[
+    {
+        "id": 1,
+        "value": "type"
+    },
+    {
+        "id": 2,
+        "value": "subtype"
+    },
+    {
+        "id": 3,
+        "value": "material"
+    },
+    {
+        "id": 4,
+        "value": "shape"
+    },
+    {
+        "id": 5,
+        "value": "color"
+    }
+]
\ No newline at end of file
diff --git a/src/concept/concept.service.ts b/src/concept/concept.service.ts
index 8dc9dc8..3c19929 100644
--- a/src/concept/concept.service.ts
+++ b/src/concept/concept.service.ts
@@ -1,6 +1,6 @@
 import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import { Repository } from 'typeorm';
+import { DeepPartial, Repository } from 'typeorm';
 
 import { EventEmitter2 } from '@nestjs/event-emitter';
 import { Concept } from './entities/concept.entity';
@@ -10,14 +10,21 @@ import {
   ConceptEnableEvent,
   ConceptDisableEvent,
 } from 'events/concept.events';
+import { ConceptType } from './entities/concepttype.entity';
+
+import typeSeeds from './concept.seed.json';
 
 @Injectable()
 export class ConceptService {
   sse_prefix = 'sse.concept';
   constructor(
     @InjectRepository(Concept) private conceptRepository: Repository<Concept>,
+    @InjectRepository(ConceptType)
+    private conceptTypeRepository: Repository<ConceptType>,
     private eventEmitter: EventEmitter2,
-  ) {}
+  ) {
+    void conceptTypeRepository.save(typeSeeds as DeepPartial<ConceptType>[]);
+  }
 
   async getById(id: number) {
     return await this.conceptRepository.findOneBy({ id });
@@ -31,7 +38,11 @@ export class ConceptService {
 
   async create(value: string, image: string) {
     const concept = this.conceptRepository.create();
+    const conceptType = await this.conceptTypeRepository.findOneByOrFail({
+      id: 1,
+    });
     concept.value = value;
+    concept.type = conceptType;
     try {
       await this.conceptRepository.save(concept);
       this.eventEmitter.emit(this.sse_prefix, new ConceptCreateEvent(concept));
@@ -46,6 +57,10 @@ export class ConceptService {
     return concepts;
   }
 
+  async listTypes() {
+    return await this.conceptTypeRepository.find();
+  }
+
   async list() {
     const concepts = await this.conceptRepository.find();
     return concepts;
diff --git a/src/concept/entities/concept.entity.ts b/src/concept/entities/concept.entity.ts
index 4597a1c..8946793 100644
--- a/src/concept/entities/concept.entity.ts
+++ b/src/concept/entities/concept.entity.ts
@@ -21,7 +21,7 @@ export class Concept {
 
   @ManyToOne(() => ConceptType, {
     eager: true,
-    nullable: true,
+    nullable: false,
     onDelete: 'CASCADE',
   })
   type: ConceptType;
diff --git a/src/concept/entities/concepttype.entity.ts b/src/concept/entities/concepttype.entity.ts
index b0df66b..98cd8cb 100644
--- a/src/concept/entities/concepttype.entity.ts
+++ b/src/concept/entities/concepttype.entity.ts
@@ -2,6 +2,7 @@ import {
   Column,
   Entity,
   OneToMany,
+  PrimaryColumn,
   PrimaryGeneratedColumn,
   Unique,
 } from 'typeorm';
@@ -10,7 +11,7 @@ import { Concept } from './concept.entity';
 @Entity()
 @Unique(['value'])
 export class ConceptType {
-  @PrimaryGeneratedColumn()
+  @PrimaryColumn()
   id: number;
 
   @Column()
diff --git a/tsconfig.json b/tsconfig.json
index 239aa10..e53000c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,6 +12,7 @@
     "baseUrl": "./",
     "incremental": true,
     "skipLibCheck": true,
-    "esModuleInterop": true
+    "esModuleInterop": true,
+    "resolveJsonModule": true
   }
 }