diff --git a/docs/community/extensions.md b/docs/community/extensions.md
index 39a89cd3d8..9221cc3922 100644
--- a/docs/community/extensions.md
+++ b/docs/community/extensions.md
@@ -181,6 +181,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | TDD Extension | Drives spec-kit implementation with tests: a language-agnostic red-green-refactor loop with a per-feature test list, recorded red and green evidence, and mutation-checked test strength. | `process` | Read+Write | [spec-kit-tdd](https://github.com/d0whc3r/spec-kit-tdd) |
 | Team Assign | Assign tasks.md items to human engineers, split into subtasks, and generate a per-engineer workboard | `process` | Read+Write | [spec-kit-team-assign](https://github.com/tarunkumarbhati/spec-kit-team-assign) |
 | Test Coverage Drift Control | Generate incremental coverage drift reports and planned remediation tasks after implementation | `code` | Read+Write | [spec-kit-test-coverage-drift-control](https://github.com/benizzio/spec-kit-test-coverage-drift-control) |
+| Test Validation | Validate acceptance scenarios and run CSV-driven E2E tests against a live app via Playwright | `code` | Read+Write | [speckit-test-validate](https://github.com/andstepanuk/speckit-test-validate) |
 | ThreatSpec | STRIDE and AI/ML threat modeling with threat-to-test traceability and security convergence | `process` | Read+Write | [spec-kit-threatspec](https://github.com/hupe1980/spec-kit-threatspec) |
 | Time Machine | Retroactively apply the full SDD workflow to existing codebases — analyse, spec, and ship feature-by-feature | `process` | Read+Write | [spec-kit-time-machine](https://github.com/teeyo/spec-kit-time-machine) |
 | TinySpec | Lightweight single-file workflow for small tasks — skip the heavy multi-step SDD process | `process` | Read+Write | [spec-kit-tinyspec](https://github.com/Quratulain-bilal/spec-kit-tinyspec) |
diff --git a/extensions/catalog.community.json b/extensions/catalog.community.json
index e54d600b46..285e0ec509 100644
--- a/extensions/catalog.community.json
+++ b/extensions/catalog.community.json
@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-09-23T00:00:00Z",
+  "updated_at": "2026-09-24T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "adrkit": {
@@ -5699,6 +5699,45 @@
       "created_at": "2026-05-20T00:00:00Z",
       "updated_at": "2026-05-20T00:00:00Z"
     },
+    "test-by": {
+      "name": "Test Validation",
+      "id": "test-by",
+      "description": "Validate acceptance scenarios and run CSV-driven E2E tests against a live app via Playwright",
+      "author": "Andrei Stsepaniuk",
+      "version": "1.2.0",
+      "download_url": "https://github.com/andstepanuk/speckit-test-validate/archive/refs/tags/v1.2.0.zip",
+      "sha256": "0a8594b945a73ba3706ec703c1008b5d39d787f7214cd7c4c303833dec75cc9a",
+      "repository": "https://github.com/andstepanuk/speckit-test-validate",
+      "homepage": "https://github.com/andstepanuk/speckit-test-validate",
+      "documentation": "https://github.com/andstepanuk/speckit-test-validate/tree/main/docs",
+      "changelog": "https://github.com/andstepanuk/speckit-test-validate/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "category": "code",
+      "effect": "read-write",
+      "requires": {
+        "speckit_version": ">=0.2.0",
+        "tools": [
+          {
+            "name": "playwright",
+            "required": true
+          }
+        ]
+      },
+      "provides": {
+        "commands": 2,
+        "hooks": 0
+      },
+      "tags": [
+        "testing",
+        "e2e",
+        "playwright"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-09-24T00:00:00Z",
+      "updated_at": "2026-09-24T00:00:00Z"
+    },
     "test-coverage-drift-control": {
       "name": "Test Coverage Drift Control",
       "id": "test-coverage-drift-control",