fix: declare exa mcp transport type

.mcp.json

@@ -2,26 +2,43 @@
   "mcpServers": {
     "github": {
       "command": "npx",
-      "args": ["-y", "@modelcontextprotocol/server-github"]
+      "args": [
+        "-y",
+        "@modelcontextprotocol/server-github"
+      ]
     },
     "context7": {
       "command": "npx",
-      "args": ["-y", "@upstash/context7-mcp@2.1.4"]
+      "args": [
+        "-y",
+        "@upstash/context7-mcp@2.1.4"
+      ]
     },
     "exa": {
-      "url": "https://mcp.exa.ai/mcp"
+      "url": "https://mcp.exa.ai/mcp",
+      "type": "http"
     },
     "memory": {
       "command": "npx",
-      "args": ["-y", "@modelcontextprotocol/server-memory"]
+      "args": [
+        "-y",
+        "@modelcontextprotocol/server-memory"
+      ]
     },
     "playwright": {
       "command": "npx",
-      "args": ["-y", "@playwright/mcp@0.0.68", "--extension"]
+      "args": [
+        "-y",
+        "@playwright/mcp@0.0.68",
+        "--extension"
+      ]
     },
     "sequential-thinking": {
       "command": "npx",
-      "args": ["-y", "@modelcontextprotocol/server-sequential-thinking"]
+      "args": [
+        "-y",
+        "@modelcontextprotocol/server-sequential-thinking"
+      ]
     }
   }
 }

tests/plugin-manifest.test.js

@@ -216,6 +216,14 @@ test('.mcp.json includes at least github, context7, and exa servers', () => {
   assert.ok(servers.includes('exa'), 'Expected exa MCP server');
 });
 
+test('.mcp.json remote Exa server declares its transport type', () => {
+  assert.strictEqual(
+    mcpConfig.mcpServers.exa?.type,
+    'http',
+    'Expected Exa MCP server to declare type="http" for Claude Code schema compliance',
+  );
+});
+
 // ── Codex marketplace file ────────────────────────────────────────────────────
 // Per official docs: repo marketplace lives at $REPO_ROOT/.agents/plugins/marketplace.json
 console.log('\n=== .agents/plugins/marketplace.json ===\n');