add mode, comment edit prompting

mcp/comment.ts

@@ -6,7 +6,7 @@ export const Comment = type({
   body: type.string.describe("the comment body content"),
 });
 
-export const CommentTool = tool({
+export const CreateCommentTool = tool({
   name: "create_issue_comment",
   description: "Create a comment on a GitHub issue",
   parameters: Comment,
@@ -26,3 +26,30 @@ export const CommentTool = tool({
     };
   }),
 });
+
+export const EditComment = type({
+  commentId: type.number.describe("the ID of the comment to edit"),
+  body: type.string.describe("the new comment body content"),
+});
+
+export const EditCommentTool = tool({
+  name: "edit_issue_comment",
+  description: "Edit a GitHub issue comment by its ID",
+  parameters: EditComment,
+  execute: contextualize(async ({ commentId, body }, ctx) => {
+    const result = await ctx.octokit.rest.issues.updateComment({
+      owner: ctx.owner,
+      repo: ctx.name,
+      comment_id: commentId,
+      body: body,
+    });
+
+    return {
+      success: true,
+      commentId: result.data.id,
+      url: result.data.html_url,
+      body: result.data.body,
+      updatedAt: result.data.updated_at,
+    };
+  }),
+});

mcp/server.ts

@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 // Minimal GitHub Issue Comment MCP Server
 import { FastMCP } from "fastmcp";
-import { CommentTool } from "./comment.ts";
+import { CreateCommentTool, EditCommentTool } from "./comment.ts";
 import { IssueTool } from "./issue.ts";
 import { PullRequestTool } from "./pr.ts";
 import { PullRequestInfoTool } from "./prInfo.ts";
@@ -13,6 +13,13 @@ const server = new FastMCP({
   version: "0.0.1",
 });
 
-addTools(server, [CommentTool, IssueTool, PullRequestTool, ReviewTool, PullRequestInfoTool]);
+addTools(server, [
+  CreateCommentTool,
+  EditCommentTool,
+  IssueTool,
+  PullRequestTool,
+  ReviewTool,
+  PullRequestInfoTool,
+]);
 
 server.start();