chore: import upstream snapshot with attribution

tools/mcp/github-artifacts/test-github_issue_images.js

@@ -0,0 +1,118 @@
+// Simple test script - run with: node test-github_issue_images.js
+// Make sure GITHUB_TOKEN is set in environment
+
+import { spawn } from "child_process";
+
+const server = spawn("node", ["server.js"], {
+  stdio: ["pipe", "pipe", "inherit"],
+  env: { ...process.env }
+});
+
+// Send initialize request
+const initRequest = {
+  jsonrpc: "2.0",
+  id: 1,
+  method: "initialize",
+  params: {
+    protocolVersion: "2024-11-05",
+    capabilities: {},
+    clientInfo: { name: "test-client", version: "1.0.0" }
+  }
+};
+
+server.stdin.write(JSON.stringify(initRequest) + "\n");
+
+// Send list tools request
+setTimeout(() => {
+  const listToolsRequest = {
+    jsonrpc: "2.0",
+    id: 2,
+    method: "tools/list",
+    params: {}
+  };
+  server.stdin.write(JSON.stringify(listToolsRequest) + "\n");
+}, 500);
+
+// Send call tool request (test with a real issue)
+setTimeout(() => {
+  const callToolRequest = {
+    jsonrpc: "2.0",
+    id: 3,
+    method: "tools/call",
+    params: {
+      name: "github_issue_images",
+      arguments: {
+        owner: "microsoft",
+        repo: "PowerToys",
+        issueNumber: 25595,  // 315 comments, many images - tests pagination!
+        maxImages: 5
+      }
+    }
+  };
+  server.stdin.write(JSON.stringify(callToolRequest) + "\n");
+}, 1000);
+
+// Track summary
+let summary = { images: 0, totalKB: 0, text: "" };
+let gotToolResponse = false;
+let buffer = "";
+
+// Read responses
+server.stdout.on("data", (data) => {
+  buffer += data.toString();
+  
+  // Try to parse complete JSON objects from buffer
+  const lines = buffer.split("\n");
+  buffer = lines.pop() || ""; // Keep incomplete line in buffer
+  
+  for (const line of lines) {
+    if (!line.trim()) continue;
+    try {
+      const response = JSON.parse(line);
+      console.log("\n=== Response ===");
+      console.log("ID:", response.id);
+      if (response.result?.tools) {
+        console.log("Tools:", response.result.tools.map(t => t.name));
+      } else if (response.result?.content) {
+        gotToolResponse = true;
+        let imageCount = 0;
+        for (const item of response.result.content) {
+          if (item.type === "text") {
+            console.log("Text:", item.text);
+            summary.text = item.text;
+          } else if (item.type === "image") {
+            imageCount++;
+            const sizeKB = Math.round(item.data.length * 0.75 / 1024); // base64 to actual size
+            console.log(`  [Image ${imageCount}] ${item.mimeType} - ${sizeKB} KB downloaded`);
+            summary.images++;
+            summary.totalKB += sizeKB;
+          }
+        }
+      } else {
+        console.log("Result:", JSON.stringify(response.result, null, 2));
+      }
+    } catch (e) {
+      // Likely incomplete JSON, will be in next chunk
+    }
+  }
+});
+
+// Exit after 60 seconds (more time for downloads)
+setTimeout(() => {
+  console.log("\n" + "=".repeat(50));
+  console.log("=== Test Summary ===");
+  console.log("=".repeat(50));
+  if (summary.text) {
+    console.log(summary.text);
+  }
+  if (summary.images > 0) {
+    console.log(`Total images downloaded: ${summary.images}`);
+    console.log(`Total size: ${summary.totalKB} KB`);
+  } else if (!gotToolResponse) {
+    console.log("No tool response received yet. The request may still be running or was rate-limited.");
+  }
+  console.log("=".repeat(50));
+  console.log("Test complete!");
+  server.kill();
+  process.exit(0);
+}, 60000);