refactor structure

Author: ValterAndrei

.vscode/mcp.json

@@ -1,6 +1,6 @@
 {
   "servers": {
-    "mcp-posts-server": {
+    "rails-app-mcp": {
       "type": "http",
       "url": "http://localhost:3000/mcp"
     }

README.md

@@ -69,11 +69,11 @@ bin/rails test
            │     Expondo endpoint: /mcp               │
            │------------------------------------------│
            │ Tools:                                   │
-           │  - create_post_tool                      │
-           │  - delete_post_tool                      │
-           │  - list_posts_tool                       │
-           │  - show_post_tool                        │
-           │  - update_post_tool                      │
+           │  - post-create-tool                      │
+           │  - post-delete-tool                      │
+           │  - post-index-tool                       │
+           │  - post-show-tool                        │
+           │  - post-update-tool                      │
            │------------------------------------------│
            │ Usa models e lógica do Rails:            │
            │  Post.create, Post.all, etc.             │

app/controllers/mcp_controller.rb

@@ -26,11 +26,11 @@ def handle
       version: "1.0.0",
       instructions: INSTRUCTIONS,
       tools: [
-        ListPostsTool,
-        ShowPostTool,
-        CreatePostTool,
-        UpdatePostTool,
-        DeletePostTool
+        Posts::IndexTool,
+        Posts::ShowTool,
+        Posts::CreateTool,
+        Posts::UpdateTool,
+        Posts::DeleteTool
       ],
     )
 

app/mcp_tools/create_post_tool.rb

@@ -0,0 +1,41 @@
+module Posts
+  class CreateTool < MCP::Tool
+    tool_name "post-create-tool"
+    description "Cria uma nova postagem no blog"
+
+    input_schema(
+      properties: {
+        title: {
+          type: "string",
+          description: "Título da postagem (obrigatório)"
+        },
+        description: {
+          type: "string",
+          description: "Descrição/conteúdo da postagem (obrigatório)"
+        }
+      },
+      required: [ "title", "description" ]
+    )
+
+    def self.call(title:, description:, server_context:)
+      post = Post.new(title: title, description: description)
+
+      if post.save
+        MCP::Tool::Response.new([ {
+          type: "text",
+          text: "Post criado com sucesso! ID: #{post.id}, Título: #{post.title}"
+        } ])
+      else
+        MCP::Tool::Response.new([ {
+          type: "text",
+          text: "Erro ao criar post: #{post.errors.full_messages.join(', ')}"
+        } ])
+      end
+    rescue StandardError => e
+      MCP::Tool::Response.new([ {
+        type: "text",
+        text: "Erro ao criar post: #{e.message}"
+      } ])
+    end
+  end
+end

app/mcp_tools/delete_post_tool.rb

@@ -0,0 +1,43 @@
+module Posts
+  class DeleteTool < MCP::Tool
+    tool_name "post-delete-tool"
+    description "Deleta uma postagem do blog"
+
+    input_schema(
+      properties: {
+        id: {
+          type: "integer",
+          description: "ID da postagem a ser deletada"
+        }
+      },
+      required: [ "id" ]
+    )
+
+    def self.call(id:, server_context:)
+      post = Post.find(id)
+      title = post.title
+
+      if post.destroy
+        MCP::Tool::Response.new([ {
+          type: "text",
+          text: "Post '#{title}' (ID: #{id}) deletado com sucesso!"
+        } ])
+      else
+        MCP::Tool::Response.new([ {
+          type: "text",
+          text: "Erro ao deletar post: #{post.errors.full_messages.join(', ')}"
+        } ])
+      end
+    rescue ActiveRecord::RecordNotFound
+      MCP::Tool::Response.new([ {
+        type: "text",
+        text: "Post com ID #{id} não encontrado"
+      } ])
+    rescue StandardError => e
+      MCP::Tool::Response.new([ {
+        type: "text",
+        text: "Erro ao deletar post: #{e.message}"
+      } ])
+    end
+  end
+end