diff --git a/README.md b/README.md
index 6f0baf567..38d319c9f 100644
--- a/README.md
+++ b/README.md
@@ -251,6 +251,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Spec Refine | Update specs in-place, propagate changes to plan and tasks, and diff impact across artifacts | `process` | Read+Write | [spec-kit-refine](https://github.com/Quratulain-bilal/spec-kit-refine) |
 | Spec Scope | Effort estimation and scope tracking — estimate work, detect creep, and budget time per phase | `process` | Read-only | [spec-kit-scope-](https://github.com/Quratulain-bilal/spec-kit-scope-) |
 | Spec Sync | Detect and resolve drift between specs and implementation. AI-assisted resolution with human approval | `docs` | Read+Write | [spec-kit-sync](https://github.com/bgervin/spec-kit-sync) |
+| Spec Validate | Comprehension validation, review gating, and approval state for spec-kit artifacts — staged quizzes, peer review SLA, and a hard gate before /speckit.implement | `process` | Read+Write | [spec-kit-spec-validate](https://github.com/aeltayeb/spec-kit-spec-validate) |
 | SpecTest | Auto-generate test scaffolds from spec criteria, map coverage, and find untested requirements | `code` | Read+Write | [spec-kit-spectest](https://github.com/Quratulain-bilal/spec-kit-spectest) |
 | Staff Review Extension | Staff-engineer-level code review that validates implementation against spec, checks security, performance, and test coverage | `code` | Read-only | [spec-kit-staff-review](https://github.com/arunt14/spec-kit-staff-review) |
 | Status Report | Project status, feature progress, and next-action recommendations for spec-driven workflows | `visibility` | Read-only | [Open-Agent-Tools/spec-kit-status](https://github.com/Open-Agent-Tools/spec-kit-status) |
diff --git a/extensions/catalog.community.json b/extensions/catalog.community.json
index 991949f1a..53bea347c 100644
--- a/extensions/catalog.community.json
+++ b/extensions/catalog.community.json
@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-04-20T00:00:00Z",
+  "updated_at": "2026-04-21T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "aide": {
@@ -1890,6 +1890,38 @@
       "created_at": "2026-04-20T00:00:00Z",
       "updated_at": "2026-04-20T00:00:00Z"
     },
+    "spec-validate": {
+      "name": "Spec Validate",
+      "id": "spec-validate",
+      "description": "Comprehension validation, review gating, and approval state for spec-kit artifacts — staged-reveal quizzes, peer review SLA, and a hard gate before /speckit.implement.",
+      "author": "Ahmed Eltayeb",
+      "version": "1.0.1",
+      "download_url": "https://github.com/aeltayeb/spec-kit-spec-validate/archive/refs/tags/v1.0.1.zip",
+      "repository": "https://github.com/aeltayeb/spec-kit-spec-validate",
+      "homepage": "https://github.com/aeltayeb/spec-kit-spec-validate",
+      "documentation": "https://github.com/aeltayeb/spec-kit-spec-validate/blob/main/README.md",
+      "changelog": "https://github.com/aeltayeb/spec-kit-spec-validate/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.5.0"
+      },
+      "provides": {
+        "commands": 6,
+        "hooks": 3
+      },
+      "tags": [
+        "validation",
+        "review",
+        "quality",
+        "workflow",
+        "process"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-04-20T00:00:00Z",
+      "updated_at": "2026-04-21T00:00:00Z"
+    },
     "speckit-utils": {
       "name": "SDD Utilities",
       "id": "speckit-utils",