diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0aa157..c1feef7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,17 @@ All notable changes to `laranail/toolkit` are documented in this file.
 The format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Changed
+
+- Test credentials are generated at run time with `TestCredentials` instead of being written into
+  the tests, and `tests/Architecture/NoLiteralCredentialsTest.php` fails the suite on any literal
+  credential left behind, so secret scanning has nothing to report. A second test there keeps
+  every generated credential's purpose a single plain word, because secret scanning reads a
+  compound purpose as the password itself. The `laranail/package-tools` floor is now `^0.1.10`,
+  the first release shipping that check.
+
 ## [0.3.1] - 2026-10-12
 
 ### Changed
diff --git a/composer.json b/composer.json
index bcf4f54..ff4955a 100644
--- a/composer.json
+++ b/composer.json
@@ -58,7 +58,7 @@
         "phpunit/phpunit": "^11.0",
         "rector/rector": "^2.5.8",
         "squizlabs/php_codesniffer": "^3.10 || ^4.0",
-        "laranail/package-tools": "^0.1.3"
+        "laranail/package-tools": "^0.1.10"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,
diff --git a/phpunit.xml b/phpunit.xml
index 4838c0b..0951bb7 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -22,6 +22,9 @@
         <testsuite name="Regression">
             <directory>tests/Regression</directory>
         </testsuite>
+        <testsuite name="Architecture">
+            <directory>tests/Architecture</directory>
+        </testsuite>
     </testsuites>
     <source>
         <include>
diff --git a/tests/Architecture/NoLiteralCredentialsTest.php b/tests/Architecture/NoLiteralCredentialsTest.php
new file mode 100644
index 0000000..28090e3
--- /dev/null
+++ b/tests/Architecture/NoLiteralCredentialsTest.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Simtabi\Laranail\Toolkit\Tests\Architecture;
+
+use PHPUnit\Framework\TestCase;
+use Simtabi\Laranail\Package\Tools\Testing\AssertsNoLiteralCredentials;
+
+final class NoLiteralCredentialsTest extends TestCase
+{
+    use AssertsNoLiteralCredentials;
+
+    public function test_it_keeps_literal_credentials_out_of_the_tests(): void
+    {
+        $this->assertNoLiteralCredentialsIn([dirname(__DIR__)], minFiles: 114);
+    }
+
+    public function test_it_names_every_generated_credential_with_a_single_word(): void
+    {
+        $this->assertCredentialPurposesAreWordsIn([dirname(__DIR__)], minFiles: 114);
+    }
+}
diff --git a/tests/Feature/Http/AccessLogMiddlewareTest.php b/tests/Feature/Http/AccessLogMiddlewareTest.php
index 7ccd1e6..231b6c4 100644
--- a/tests/Feature/Http/AccessLogMiddlewareTest.php
+++ b/tests/Feature/Http/AccessLogMiddlewareTest.php
@@ -8,6 +8,7 @@
 use Illuminate\Http\Response;
 use PHPUnit\Framework\Attributes\Group;
 use Simtabi\Laranail\Toolkit\Tests\TestCase;
+use Simtabi\Laranail\Package\Tools\Testing\TestCredentials;
 use Simtabi\Laranail\Toolkit\Modules\Security\SecurityData;
 use Simtabi\Laranail\Toolkit\Modules\Security\AccessLog\AccessLog;
 use Simtabi\Laranail\Toolkit\Modules\Security\AccessLog\AccessLogMiddleware;
@@ -19,9 +20,9 @@ public function test_sensitive_fields_are_redacted(): void
     {
         $request = Request::create('/login', 'POST', [
             'email'    => 'user@example.com',
-            'password' => 'super-secret',
-            'token'    => 'abc123',
-            'profile'  => ['api_key' => 'nested-secret', 'name' => 'Jane'],
+            'password' => TestCredentials::password('login'),
+            'token'    => TestCredentials::secret('token'),
+            'profile'  => ['api_key' => TestCredentials::secret('nested'), 'name' => 'Jane'],
         ]);
 
         $this->logRequest($request);
@@ -40,7 +41,7 @@ public function test_deeply_nested_secrets_are_redacted_recursively(): void
         $request = Request::create('/deep', 'POST', [
             'wrapper' => [
                 'inner' => [
-                    'password' => 'deep-secret',
+                    'password' => TestCredentials::password('deep'),
                     'safe'     => 'keep',
                 ],
             ],
@@ -84,7 +85,7 @@ public function test_config_override_replaces_the_default_deny_list(): void
 
         $request = Request::create('/override', 'POST', [
             'custom_field' => 'hide-me',
-            'password'     => 'no-longer-in-deny-list',
+            'password'     => TestCredentials::password('verbatim'),
         ]);
 
         $this->logRequest($request);
@@ -93,7 +94,7 @@ public function test_config_override_replaces_the_default_deny_list(): void
 
         $this->assertSame('[REDACTED]', $log->request_data['custom_field']);
         // password is not in the overriding list, so it is stored verbatim.
-        $this->assertSame('no-longer-in-deny-list', $log->request_data['password']);
+        $this->assertSame(TestCredentials::password('verbatim'), $log->request_data['password']);
     }
 
     public function test_query_string_secrets_are_not_stored_in_url(): void
diff --git a/tests/Feature/Http/CrudControllerTest.php b/tests/Feature/Http/CrudControllerTest.php
index 17b6017..dfdb3f0 100644
--- a/tests/Feature/Http/CrudControllerTest.php
+++ b/tests/Feature/Http/CrudControllerTest.php
@@ -11,6 +11,7 @@
 use Illuminate\Database\Schema\Blueprint;
 use Simtabi\Laranail\Toolkit\Tests\TestCase;
 use Illuminate\Validation\ValidationException;
+use Simtabi\Laranail\Package\Tools\Testing\TestCredentials;
 use Simtabi\Laranail\Toolkit\Http\Controllers\CrudController;
 
 class CrudWidget extends Model
@@ -71,7 +72,7 @@ public function test_store_does_not_mass_assign_fields_outside_fillable(): void
         $controller = new CrudWidgetController;
 
         $response = $controller->storeRecord(
-            Request::create('/', 'POST', ['name' => 'Acme', 'secret' => 'pwned']),
+            Request::create('/', 'POST', ['name' => 'Acme', 'secret' => TestCredentials::secret('guarded')]),
         );
 
         $id = $response->getData(true)['data']['id'];
diff --git a/tests/Feature/Traits/AuditableTest.php b/tests/Feature/Traits/AuditableTest.php
index a8958af..d6666ea 100644
--- a/tests/Feature/Traits/AuditableTest.php
+++ b/tests/Feature/Traits/AuditableTest.php
@@ -11,6 +11,7 @@
 use Illuminate\Database\Schema\Blueprint;
 use Simtabi\Laranail\Toolkit\Tests\TestCase;
 use Simtabi\Laranail\Toolkit\Traits\Auditable;
+use Simtabi\Laranail\Package\Tools\Testing\TestCredentials;
 
 class AuditWidget extends Model
 {
@@ -47,14 +48,14 @@ protected function tearDown(): void
 
     public function test_create_audit_redacts_hidden_attributes(): void
     {
-        AuditWidget::create(['name' => 'Acme', 'secret' => 'top-secret']);
+        AuditWidget::create(['name' => 'Acme', 'secret' => TestCredentials::secret('hidden')]);
 
         $audit = DB::table('model_audits')->where('event', 'created')->first();
         $newValues = json_decode((string) $audit->new_values, true);
 
         $this->assertSame('Acme', $newValues['name']);
         $this->assertSame('[REDACTED]', $newValues['secret']);
-        $this->assertStringNotContainsString('top-secret', $audit->new_values);
+        $this->assertStringNotContainsString(TestCredentials::secret('hidden'), $audit->new_values);
     }
 
     public function test_audit_failure_does_not_break_the_model_write(): void
diff --git a/tests/Unit/Modules/FacadesTest.php b/tests/Unit/Modules/FacadesTest.php
index 8a8ae10..ed3c01b 100644
--- a/tests/Unit/Modules/FacadesTest.php
+++ b/tests/Unit/Modules/FacadesTest.php
@@ -11,6 +11,7 @@
 use Simtabi\Laranail\Toolkit\Facades\Laranail;
 use Simtabi\Laranail\Toolkit\Services\ModelService;
 use Simtabi\Laranail\Toolkit\Support\RuntimeConfigurator;
+use Simtabi\Laranail\Package\Tools\Testing\TestCredentials;
 use Simtabi\Laranail\Toolkit\Modules\LLM\LLMProviderInterface;
 use Simtabi\Laranail\Toolkit\Modules\LLM\Claude\ClaudeProvider;
 use Simtabi\Laranail\Toolkit\Modules\LLM\Gemini\GeminiProvider;
@@ -112,7 +113,7 @@ public function test_llm_binding_selects_openai_by_default(): void
     {
         $this->app->forgetInstance(LLMProviderInterface::class);
         $this->app['config']->set('laranail.toolkit.llm.default_provider', 'openai');
-        $this->app['config']->set('laranail.toolkit.llm.openai.api_key', 'sk-test');
+        $this->app['config']->set('laranail.toolkit.llm.openai.api_key', sprintf('sk-%s', TestCredentials::secret('openai')));
 
         $this->assertInstanceOf(OpenAIProvider::class, $this->app->make(LLMProviderInterface::class));
     }
@@ -121,7 +122,7 @@ public function test_llm_binding_selects_gemini_when_configured(): void
     {
         $this->app->forgetInstance(LLMProviderInterface::class);
         $this->app['config']->set('laranail.toolkit.llm.default_provider', 'gemini');
-        $this->app['config']->set('laranail.toolkit.llm.gemini.api_key', 'gemini-test');
+        $this->app['config']->set('laranail.toolkit.llm.gemini.api_key', TestCredentials::secret('gemini'));
 
         $this->assertInstanceOf(GeminiProvider::class, $this->app->make(LLMProviderInterface::class));
     }
@@ -130,7 +131,7 @@ public function test_llm_binding_selects_claude_when_configured(): void
     {
         $this->app->forgetInstance(LLMProviderInterface::class);
         $this->app['config']->set('laranail.toolkit.llm.default_provider', 'claude');
-        $this->app['config']->set('laranail.toolkit.llm.claude.api_key', 'claude-test');
+        $this->app['config']->set('laranail.toolkit.llm.claude.api_key', TestCredentials::secret('claude'));
 
         $this->assertInstanceOf(ClaudeProvider::class, $this->app->make(LLMProviderInterface::class));
     }
diff --git a/tests/Unit/Modules/Security/TokenTest.php b/tests/Unit/Modules/Security/TokenTest.php
index afb457f..88a3761 100644
--- a/tests/Unit/Modules/Security/TokenTest.php
+++ b/tests/Unit/Modules/Security/TokenTest.php
@@ -9,6 +9,7 @@
 use PHPUnit\Framework\Attributes\Group;
 use Simtabi\Laranail\Toolkit\Tests\TestCase;
 use Simtabi\Laranail\Toolkit\Modules\Security\Token;
+use Simtabi\Laranail\Package\Tools\Testing\TestCredentials;
 
 class TokenTest extends TestCase
 {
@@ -62,7 +63,7 @@ public function test_prefix_is_prepended(): void
 
     public function test_signed_round_trip_verifies_true(): void
     {
-        $builder = Token::signed('s3cr3t')->encoding('hex')->length(32);
+        $builder = Token::signed(TestCredentials::secret('signing'))->encoding('hex')->length(32);
 
         $token = $builder->generate();
 
@@ -71,7 +72,7 @@ public function test_signed_round_trip_verifies_true(): void
 
     public function test_signed_token_with_prefix_and_type_round_trips(): void
     {
-        $builder = Token::signed('s3cr3t')->prefix('rt_')->type('reset')->encoding('base64url')->length(32);
+        $builder = Token::signed(TestCredentials::secret('signing'))->prefix('rt_')->type('reset')->encoding('base64url')->length(32);
 
         $token = $builder->generate();
 
@@ -81,7 +82,7 @@ public function test_signed_token_with_prefix_and_type_round_trips(): void
 
     public function test_tampered_token_verifies_false(): void
     {
-        $builder = Token::signed('s3cr3t')->encoding('hex')->length(32);
+        $builder = Token::signed(TestCredentials::secret('signing'))->encoding('hex')->length(32);
         $token = $builder->generate();
 
         $this->assertFalse($builder->verify($token . 'x'));
@@ -162,7 +163,7 @@ public function test_builder_is_immutable(): void
     #[Group('security')]
     public function test_non_expired_signed_token_verifies_true(): void
     {
-        $builder = Token::signed('s3cr3t')->expiresIn(3600)->encoding('hex')->length(16);
+        $builder = Token::signed(TestCredentials::secret('signing'))->expiresIn(3600)->encoding('hex')->length(16);
         $token = $builder->generate();
 
         $this->assertTrue($builder->verify($token));
@@ -171,7 +172,7 @@ public function test_non_expired_signed_token_verifies_true(): void
     #[Group('security')]
     public function test_expired_token_verifies_false(): void
     {
-        $secret = 's3cr3t';
+        $secret = TestCredentials::secret('signing');
         $builder = Token::signed($secret)->expiresIn(60)->encoding('hex')->length(16);
 
         // Hand-build a structurally valid but already-expired token using the SAME
@@ -189,7 +190,7 @@ public function test_expired_token_verifies_false(): void
     #[Group('security')]
     public function test_tampered_type_is_rejected_by_the_signature(): void
     {
-        $builder = Token::signed('s3cr3t')->type('reset')->encoding('hex')->length(16);
+        $builder = Token::signed(TestCredentials::secret('signing'))->type('reset')->encoding('hex')->length(16);
         $token = $builder->generate();
 
         // Swap the type segment to 'verify' while keeping the original MAC.
@@ -202,7 +203,7 @@ public function test_tampered_type_is_rejected_by_the_signature(): void
     #[Group('security')]
     public function test_a_validly_signed_token_of_another_type_is_rejected(): void
     {
-        $secret = 's3cr3t';
+        $secret = TestCredentials::secret('signing');
 
         // A genuinely-signed token minted for the 'verify' purpose.
         $verifyToken = Token::signed($secret)->type('verify')->encoding('hex')->length(16)->generate();
@@ -218,7 +219,7 @@ public function test_a_validly_signed_token_of_another_type_is_rejected(): void
     #[Group('security')]
     public function test_embedded_expiry_is_enforced_even_when_the_verifier_omits_expires_in(): void
     {
-        $secret = 's3cr3t';
+        $secret = TestCredentials::secret('signing');
 
         // Hand-build an already-expired but validly-signed token.
         $body = bin2hex(random_bytes(16));
diff --git a/tests/Unit/Rules/RejectCommonPasswordsTest.php b/tests/Unit/Rules/RejectCommonPasswordsTest.php
index aad9367..391aae1 100644
--- a/tests/Unit/Rules/RejectCommonPasswordsTest.php
+++ b/tests/Unit/Rules/RejectCommonPasswordsTest.php
@@ -12,6 +12,7 @@
 use Illuminate\Http\Client\ConnectionException;
 use Illuminate\Contracts\Validation\ValidationRule;
 use Simtabi\Laranail\Toolkit\Rules\RejectCommonPasswords;
+use Simtabi\Laranail\Package\Tools\Testing\TestCredentials;
 use Illuminate\Support\Facades\Validator as ValidatorFacade;
 
 #[Group('security')]
@@ -284,7 +285,7 @@ public function test_hibp_fails_open_on_transport_error(): void
 
     public function test_hibp_rejects_a_breached_password_when_suffix_matches(): void
     {
-        $password = 'P@ssw0rd-breached-fixture';
+        $password = TestCredentials::password('breached');
         $hash = strtoupper(sha1($password));
         $prefix = substr($hash, 0, 5);
         $suffix = substr($hash, 5);
@@ -336,6 +337,7 @@ public function test_min_zxcvbn_message_carries_feedback(): void
 
         $rule = RejectCommonPasswords::config()->minZxcvbnScore(4)->rule();
 
+        // @credential-literal-exempt: a weak input the zxcvbn rule must reject
         $validator = ValidatorFacade::make(['password' => 'Summer2024'], ['password' => [$rule]]);
 
         $this->assertTrue($validator->fails());
@@ -357,7 +359,7 @@ public function test_hibp_never_transmits_the_full_password_only_the_sha1_prefix
             'api.pwnedpasswords.com/*' => Http::response('', 200),
         ]);
 
-        $password = 'NeverLeakThisPassword!2026';
+        $password = TestCredentials::password('plaintext');
         $expectedPrefix = strtoupper(substr(sha1($password), 0, 5));
         $suffix = strtoupper(substr(sha1($password), 5));