diff --git a/.chronus/changes/FormatErrorOutput-2024-9-25-14-43-7.md b/.chronus/changes/FormatErrorOutput-2024-9-25-14-43-7.md
new file mode 100644
index 0000000000..bbde55a822
--- /dev/null
+++ b/.chronus/changes/FormatErrorOutput-2024-9-25-14-43-7.md
@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/spector"
+---
+
+Handle Failing scenarios at the end
\ No newline at end of file
diff --git a/packages/spector/package.json b/packages/spector/package.json
index b0fe27e99f..947bc69f60 100644
--- a/packages/spector/package.json
+++ b/packages/spector/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@typespec/spector",
-  "version": "0.1.0-alpha.0",
+  "version": "0.1.0-alpha.1",
   "description": "Typespec Core Tool to validate, run mock api, collect coverage.",
   "exports": {
     ".": {
diff --git a/packages/spector/src/actions/server-test.ts b/packages/spector/src/actions/server-test.ts
index c22e6b83b4..c023c8f1b1 100644
--- a/packages/spector/src/actions/server-test.ts
+++ b/packages/spector/src/actions/server-test.ts
@@ -1,12 +1,19 @@
 import { MockApiDefinition } from "@typespec/spec-api";
 import * as fs from "fs";
 import * as path from "path";
+import pc from "picocolors";
 import { logger } from "../logger.js";
 import { loadScenarioMockApis } from "../scenarios-resolver.js";
 import { makeServiceCall, uint8ArrayToString } from "./helper.js";
 
 const DEFAULT_BASE_URL = "http://localhost:3000";
 
+export interface ServerTestDiagnostics {
+  scenario_name: string;
+  status: "success" | "failure";
+  message: any;
+}
+
 class ServerTestsGenerator {
   private name: string = "";
   private mockApiDefinition: MockApiDefinition;
@@ -184,6 +191,9 @@ export async function serverTest(scenariosPath: string, options: ServerTestOptio
   }
   // 2. Load all the scenarios
   const scenarios = await loadScenarioMockApis(scenariosPath);
+  const success_diagnostics: ServerTestDiagnostics[] = [];
+  const failure_diagnostics: ServerTestDiagnostics[] = [];
+
   // 3. Execute each scenario
   for (const [name, scenario] of Object.entries(scenarios)) {
     if (!Array.isArray(scenario.apis)) continue;
@@ -191,8 +201,39 @@ export async function serverTest(scenariosPath: string, options: ServerTestOptio
       if (api.kind !== "MockApiDefinition") continue;
       if (testCasesToRun.length === 0 || testCasesToRun.includes(name)) {
         const obj: ServerTestsGenerator = new ServerTestsGenerator(name, api, baseUrl);
-        await obj.executeScenario();
+        try {
+          await obj.executeScenario();
+          success_diagnostics.push({
+            scenario_name: name,
+            status: "success",
+            message: "executed successfully",
+          });
+        } catch (e: any) {
+          failure_diagnostics.push({
+            scenario_name: name,
+            status: "failure",
+            message: `code = ${e.code} \n message = ${e.message} \n name = ${e.name} \n stack = ${e.stack} \n status = ${e.status}`,
+          });
+        }
       }
     }
   }
+
+  // 4. Print diagnostics
+  logger.info("Server Tests Diagnostics Summary");
+
+  if (success_diagnostics.length > 0) logger.info("Success Scenarios");
+  success_diagnostics.forEach((diagnostic) => {
+    logger.info(`${pc.green("✓")} Scenario: ${diagnostic.scenario_name} - ${diagnostic.message}`);
+  });
+
+  if (failure_diagnostics.length > 0) logger.error("Failure Scenarios");
+  if (failure_diagnostics.length > 0) {
+    logger.error("Failed Scenario details");
+    failure_diagnostics.forEach((diagnostic) => {
+      logger.error(`${pc.red("✘")} Scenario: ${diagnostic.scenario_name}`);
+      logger.error(`${diagnostic.message}`);
+    });
+    process.exit(-1);
+  }
 }