diff --git a/README.md b/README.md
index 76a5e31..cf6d9d7 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
-# @zereight/mcp-gitlab
+# Better GitLab MCP Server
+
+## @zereight/mcp-gitlab
 
 [![smithery badge](https://smithery.ai/badge/@zereight/gitlab-mcp)](https://smithery.ai/server/@zereight/gitlab-mcp)
 
@@ -126,6 +128,7 @@ GitLab MCP(Model Context Protocol) Server.
     - Returns: Array of merge request diff information
 
 12. `update_merge_request`
+
     - Update a merge request. 🔄
     - Inputs:
       - `project_id` (string): Project ID or namespace/project_path
@@ -138,6 +141,15 @@ GitLab MCP(Model Context Protocol) Server.
       - `allow_collaboration` (optional boolean): Allow collaborators to push commits to the source branch
     - Returns: Updated merge request details
 
+13. `create_note`
+    - Create a new note (comment) to an issue or merge request. 💬
+    - Inputs:
+      - `project_id` (string): Project ID or namespace/project_path
+      - `noteable_type` (string): Type of noteable ("issue" or "merge_request")
+      - `noteable_iid` (number): IID of the issue or merge request
+      - `body` (string): Note content
+    - Returns: Details of the created note
+
 ## Environment Variable Configuration
 
 Before running the server, you need to set the following environment variables:
diff --git a/index.ts b/index.ts
index 7d4eecf..0886855 100644
--- a/index.ts
+++ b/index.ts
@@ -51,6 +51,7 @@ import {
   type GitLabCommit,
   type FileOperation,
   type GitLabMergeRequestDiff,
+  CreateNoteSchema,
 } from "./schemas.js";
 
 const server = new Server(
@@ -573,6 +574,30 @@ async function updateMergeRequest(
   return GitLabMergeRequestSchema.parse(await response.json());
 }
 
+// 📦 새로운 함수: createNote - 이슈 또는 병합 요청에 노트(댓글)를 추가하는 함수
+async function createNote(
+  projectId: string,
+  noteableType: "issue" | "merge_request", // 'issue' 또는 'merge_request' 타입 명시
+  noteableIid: number,
+  body: string
+): Promise<any> {
+  // ⚙️ 응답 타입은 GitLab API 문서에 따라 조정 가능
+  const url = new URL(
+    `${GITLAB_API_URL}/projects/${encodeURIComponent(
+      projectId
+    )}/${noteableType}/${noteableIid}/notes`
+  );
+
+  const response = await fetch(url.toString(), {
+    method: "POST",
+    headers: DEFAULT_HEADERS,
+    body: JSON.stringify({ body }),
+  });
+
+  await handleGitLabError(response);
+  return await response.json(); // ⚙️ 응답 타입은 GitLab API 문서에 따라 조정 가능, 필요하면 스키마 정의
+}
+
 server.setRequestHandler(ListToolsRequestSchema, async () => {
   return {
     tools: [
@@ -639,6 +664,11 @@ server.setRequestHandler(ListToolsRequestSchema, async () => {
         description: "Update a merge request",
         inputSchema: zodToJsonSchema(UpdateMergeRequestSchema),
       },
+      {
+        name: "create_note",
+        description: "Create a new note (comment) to an issue or merge request",
+        inputSchema: zodToJsonSchema(CreateNoteSchema),
+      },
     ],
   };
 });
@@ -797,6 +827,31 @@ server.setRequestHandler(CallToolRequestSchema, async (request) => {
         };
       }
 
+      case "create_note": {
+        try {
+          const args = CreateNoteSchema.parse(request.params.arguments);
+          const { project_id, noteable_type, noteable_iid, body } = args;
+          const note = await createNote(
+            project_id,
+            noteable_type,
+            noteable_iid,
+            body
+          );
+          return {
+            content: [{ type: "text", text: JSON.stringify(note, null, 2) }],
+          };
+        } catch (error) {
+          if (error instanceof z.ZodError) {
+            throw new Error(
+              `Invalid arguments: ${error.errors
+                .map((e) => `${e.path.join(".")}: ${e.message}`)
+                .join(", ")}`
+            );
+          }
+          throw error;
+        }
+      }
+
       default:
         throw new Error(`Unknown tool: ${request.params.name}`);
     }
diff --git a/schemas.ts b/schemas.ts
index b014291..fa1ae3b 100644
--- a/schemas.ts
+++ b/schemas.ts
@@ -388,6 +388,15 @@ export const GetMergeRequestDiffsSchema = GetMergeRequestSchema.extend({
   view: z.enum(["inline", "parallel"]).optional().describe("Diff view type"),
 });
 
+export const CreateNoteSchema = z.object({
+  project_id: z.string().describe("Project ID or namespace/project_path"),
+  noteable_type: z
+    .enum(["issue", "merge_request"])
+    .describe("Type of noteable (issue or merge_request)"),
+  noteable_iid: z.number().describe("IID of the issue or merge request"),
+  body: z.string().describe("Note content"),
+});
+
 // Export types
 export type GitLabAuthor = z.infer<typeof GitLabAuthorSchema>;
 export type GitLabFork = z.infer<typeof GitLabForkSchema>;
@@ -418,3 +427,4 @@ export type GitLabSearchResponse = z.infer<typeof GitLabSearchResponseSchema>;
 export type GitLabMergeRequestDiff = z.infer<
   typeof GitLabMergeRequestDiffSchema
 >;
+export type CreateNoteOptions = z.infer<typeof CreateNoteSchema>;