diff --git a/src/index.ts b/src/index.ts
index 38f7701..8b4b959 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -11,6 +11,7 @@ import {
   runInteractiveMode
 } from './runner';
 import {
+  printAuthorizationServerResults,
   printAuthorizationServerSummary,
   runAuthorizationServerConformanceTest
 } from './runner/authorization-server';
@@ -461,20 +462,40 @@ program
     'Run conformance tests against an authorization server implementation'
   )
   .requiredOption('--url <url>', 'URL of the authorization server issuer')
+  .option('--scenario <scenario>', 'Test scenario to run')
   .option('-o, --output-dir <path>', 'Save results to this directory')
   .option(
     '--spec-version <version>',
     'Filter scenarios by spec version (cumulative for date versions)'
   )
+  .option('--verbose', 'Show verbose output (JSON instead of pretty print)')
   .action(async (options) => {
     try {
       // Validate options with Zod
       const validated = AuthorizationServerOptionsSchema.parse(options);
+      const verbose = options.verbose ?? false;
       const outputDir = options.outputDir;
       const specVersionFilter = options.specVersion
         ? resolveSpecVersion(options.specVersion)
         : undefined;
 
+      // If a single scenario is specified, run just that one
+      if (validated.scenario) {
+        const result = await runAuthorizationServerConformanceTest(
+          validated.url,
+          validated.scenario,
+          outputDir
+        );
+
+        const { failed } = printAuthorizationServerResults(
+          result.checks,
+          result.scenarioDescription,
+          verbose
+        );
+
+        process.exit(failed > 0 ? 1 : 0);
+      }
+
       let scenarios: string[];
       scenarios = listClientScenariosForAuthorizationServer();
       if (specVersionFilter) {
diff --git a/src/runner/authorization-server.ts b/src/runner/authorization-server.ts
index 5b4094b..ba9d535 100644
--- a/src/runner/authorization-server.ts
+++ b/src/runner/authorization-server.ts
@@ -2,7 +2,7 @@ import { promises as fs } from 'fs';
 import path from 'path';
 import { ConformanceCheck } from '../types';
 import { getClientScenarioForAuthorizationServer } from '../scenarios';
-import { createResultDir } from './utils';
+import { createResultDir, formatPrettyChecks } from './utils';
 
 export async function runAuthorizationServerConformanceTest(
   serverUrl: string,
@@ -49,6 +49,49 @@ export async function runAuthorizationServerConformanceTest(
   };
 }
 
+export function printAuthorizationServerResults(
+  checks: ConformanceCheck[],
+  scenarioDescription: string,
+  verbose: boolean = false
+): {
+  passed: number;
+  failed: number;
+  denominator: number;
+  warnings: number;
+} {
+  const denominator = checks.filter(
+    (c) => c.status === 'SUCCESS' || c.status === 'FAILURE'
+  ).length;
+  const passed = checks.filter((c) => c.status === 'SUCCESS').length;
+  const failed = checks.filter((c) => c.status === 'FAILURE').length;
+  const warnings = checks.filter((c) => c.status === 'WARNING').length;
+
+  if (verbose) {
+    console.log(JSON.stringify(checks, null, 2));
+  } else {
+    console.log(`Checks:\n${formatPrettyChecks(checks)}`);
+  }
+
+  console.log(`\nTest Results:`);
+  console.log(
+    `Passed: ${passed}/${denominator}, ${failed} failed, ${warnings} warnings`
+  );
+
+  if (failed > 0) {
+    console.log('\n=== Failed Checks ===');
+    checks
+      .filter((c) => c.status === 'FAILURE')
+      .forEach((c) => {
+        console.log(`\n  - ${c.name}: ${c.description}`);
+        if (c.errorMessage) {
+          console.log(`    Error: ${c.errorMessage}`);
+        }
+      });
+  }
+
+  return { passed, failed, denominator, warnings };
+}
+
 export function printAuthorizationServerSummary(
   allResults: { scenario: string; checks: ConformanceCheck[] }[]
 ): { totalPassed: number; totalFailed: number } {
diff --git a/src/scenarios/authorization-server/authorization-server-metadata.test.ts b/src/scenarios/authorization-server/authorization-server-metadata.test.ts
index 1cf862b..1c1d6bb 100644
--- a/src/scenarios/authorization-server/authorization-server-metadata.test.ts
+++ b/src/scenarios/authorization-server/authorization-server-metadata.test.ts
@@ -89,3 +89,138 @@ describe('AuthorizationServerMetadataEndpointScenario', () => {
     expect(check.errorMessage).toContain('code_challenge_methods_supported');
   });
 });
+
+describe('AuthorizationServerOptionsSchema', () => {
+  // Dynamic import to avoid circular dependency issues at module level
+  async function getSchema() {
+    const { AuthorizationServerOptionsSchema } =
+      await import('../../schemas.js');
+    return AuthorizationServerOptionsSchema;
+  }
+
+  it('accepts a valid scenario name', async () => {
+    const schema = await getSchema();
+    const result = schema.safeParse({
+      url: 'https://example.com',
+      scenario: 'authorization-server-metadata-endpoint'
+    });
+    expect(result.success).toBe(true);
+    if (result.success) {
+      expect(result.data.scenario).toBe(
+        'authorization-server-metadata-endpoint'
+      );
+    }
+  });
+
+  it('rejects an unknown scenario name', async () => {
+    const schema = await getSchema();
+    const result = schema.safeParse({
+      url: 'https://example.com',
+      scenario: 'nonexistent-scenario'
+    });
+    expect(result.success).toBe(false);
+  });
+
+  it('accepts without scenario (optional)', async () => {
+    const schema = await getSchema();
+    const result = schema.safeParse({
+      url: 'https://example.com'
+    });
+    expect(result.success).toBe(true);
+    if (result.success) {
+      expect(result.data.scenario).toBeUndefined();
+    }
+  });
+});
+
+describe('printAuthorizationServerResults', () => {
+  async function getPrintFn() {
+    const { printAuthorizationServerResults } =
+      await import('../../runner/authorization-server.js');
+    return printAuthorizationServerResults;
+  }
+
+  const successCheck = {
+    id: 'test-check',
+    name: 'TestCheck',
+    description: 'A test check',
+    status: 'SUCCESS' as const,
+    timestamp: new Date().toISOString()
+  };
+
+  const failureCheck = {
+    id: 'test-check-fail',
+    name: 'TestCheckFail',
+    description: 'A failing check',
+    status: 'FAILURE' as const,
+    timestamp: new Date().toISOString(),
+    errorMessage: 'Something went wrong'
+  };
+
+  it('prints pretty-printed output when verbose is false', async () => {
+    const printFn = await getPrintFn();
+    const consoleSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
+
+    const result = printFn([successCheck], 'Test scenario description', false);
+
+    expect(result).toEqual({
+      passed: 1,
+      failed: 0,
+      denominator: 1,
+      warnings: 0
+    });
+
+    // Should print "Checks:" header (pretty format), not raw JSON
+    const allOutput = consoleSpy.mock.calls.map((c) => c[0]).join('\n');
+    expect(allOutput).toContain('Checks:');
+    expect(allOutput).not.toContain('"id"');
+
+    consoleSpy.mockRestore();
+  });
+
+  it('prints JSON output when verbose is true', async () => {
+    const printFn = await getPrintFn();
+    const consoleSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
+
+    const result = printFn([successCheck], 'Test scenario description', true);
+
+    expect(result).toEqual({
+      passed: 1,
+      failed: 0,
+      denominator: 1,
+      warnings: 0
+    });
+
+    // Should print raw JSON, not "Checks:" header
+    const allOutput = consoleSpy.mock.calls.map((c) => c[0]).join('\n');
+    expect(allOutput).toContain('"id"');
+    expect(allOutput).toContain('"test-check"');
+    expect(allOutput).not.toMatch(/^Checks:/m);
+
+    consoleSpy.mockRestore();
+  });
+
+  it('reports failed checks with error messages', async () => {
+    const printFn = await getPrintFn();
+    const consoleSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
+
+    const result = printFn(
+      [successCheck, failureCheck],
+      'Test scenario description',
+      false
+    );
+
+    expect(result).toEqual({
+      passed: 1,
+      failed: 1,
+      denominator: 2,
+      warnings: 0
+    });
+
+    const allOutput = consoleSpy.mock.calls.map((c) => c[0]).join('\n');
+    expect(allOutput).toContain('Failed Checks');
+    expect(allOutput).toContain('Something went wrong');
+
+    consoleSpy.mockRestore();
+  });
+});
diff --git a/src/schemas.ts b/src/schemas.ts
index e0df8ce..4888dd5 100644
--- a/src/schemas.ts
+++ b/src/schemas.ts
@@ -1,5 +1,9 @@
 import { z } from 'zod';
-import { getScenario, getClientScenario } from './scenarios';
+import {
+  getScenario,
+  getClientScenario,
+  getClientScenarioForAuthorizationServer
+} from './scenarios';
 
 // Client command options schema
 export const ClientOptionsSchema = z.object({
@@ -40,7 +44,17 @@ export type ServerOptions = z.infer<typeof ServerOptionsSchema>;
 
 // Authorization server command options schema
 export const AuthorizationServerOptionsSchema = z.object({
-  url: z.string().url('Invalid authorization server URL')
+  url: z.string().url('Invalid authorization server URL'),
+  scenario: z
+    .string()
+    .refine(
+      (scenario) =>
+        getClientScenarioForAuthorizationServer(scenario) !== undefined,
+      {
+        error: (iss) => `Unknown scenario '${iss.input}'`
+      }
+    )
+    .optional()
 });
 
 export type AuthorizationServerOptions = z.infer<