feat: add a new tool to get issue by id

Author: Joshua Oluikpe

README.md

@@ -88,6 +88,11 @@ npx @smithery/cli install linear-mcp-server --client claude
      - `createAsUser` (string): Custom username
      - `displayIconUrl` (string): Custom avatar URL
 
+6. **`linear_get_issue`**: Get detailed information about a specific issue
+   - Required inputs:
+     - `id` (string): Issue ID to retrieve
+   - Returns detailed issue information including title, description, priority, status, assignee, team, and URL
+
 ### Resources
 
 - `linear-issue:///{issueId}` - View individual issue details
@@ -110,6 +115,8 @@ Some example prompts you can use with Claude Desktop to interact with Linear:
 
 5. "What's the current workload for the mobile team?" → combine `linear-team:///{teamId}/issues` and `search_issues` to analyze issue distribution and priorities across the mobile team
 
+6. "Get me the full details of issue FOX-1701" → use `linear_get_issue` with the issue ID to retrieve complete information about a specific issue including its current status, assignee, and description
+
 ## Development
 
 1. Install dependencies:

index.ts

@@ -616,6 +616,18 @@ const addCommentTool: Tool = {
   }
 };
 
+const getIssueTool: Tool = {
+  name: "linear_get_issue",
+  description: "Retrieves a specific Linear issue by its ID. Returns detailed information about the issue including title, description, priority, status, assignee, team, and URL. Use this to get full details about a specific issue when you have its ID.",
+  inputSchema: {
+    type: "object",
+    properties: {
+      id: { type: "string", description: "Issue ID" }
+    },
+    required: ["id"]
+  }
+};
+
 const resourceTemplates: ResourceTemplate[] = [
   {
     uriTemplate: "linear-issue:///{issueId}",
@@ -801,6 +813,10 @@ const AddCommentArgsSchema = z.object({
   displayIconUrl: z.string().optional().describe("Optional avatar URL for the comment")
 });
 
+const GetIssueArgsSchema = z.object({
+  id: z.string().describe("Issue ID")
+});
+
 async function main() {
   try {
     dotenv.config();
@@ -904,7 +920,7 @@ async function main() {
     });
 
     server.setRequestHandler(ListToolsRequestSchema, async () => ({
-      tools: [createIssueTool, updateIssueTool, searchIssuesTool, getUserIssuesTool, addCommentTool]
+      tools: [createIssueTool, updateIssueTool, searchIssuesTool, getUserIssuesTool, addCommentTool, getIssueTool]
     }));
 
     server.setRequestHandler(ListResourceTemplatesRequestSchema, async () => {
@@ -1023,6 +1039,19 @@ async function main() {
             };
           }
 
+          case "linear_get_issue": {
+            const validatedArgs = GetIssueArgsSchema.parse(args);
+            const issue = await linearClient.getIssue(validatedArgs.id);
+
+            return {
+              content: [{
+                type: "text",
+                text: `Issue Details:\nID: ${issue.identifier}\nTitle: ${issue.title}\nDescription: ${issue.description || 'No description'}\nPriority: ${issue.priority || 'None'}\nStatus: ${issue.status || 'None'}\nAssignee: ${issue.assignee || 'Unassigned'}\nTeam: ${issue.team || 'No team'}\nURL: ${issue.url}`,
+                metadata: baseResponse
+              }]
+            };
+          }
+
           default:
             throw new Error(`Unknown tool: ${name}`);
         }