diff --git a/README.md b/README.md
index c729fe02f..a8a8d3a3e 100644
--- a/README.md
+++ b/README.md
@@ -183,6 +183,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Extension | Purpose | Category | Effect | URL |
 |-----------|---------|----------|--------|-----|
 | AI-Driven Engineering (AIDE) | A structured 7-step workflow for building new projects from scratch with AI assistants — from vision through implementation | `process` | Read+Write | [aide](https://github.com/mnriem/spec-kit-extensions/tree/main/aide) |
+| Architect Impact Previewer | Predicts architectural impact, complexity, and risks of proposed changes before implementation. | `visibility` | Read-only | [spec-kit-architect-preview](https://github.com/UmmeHabiba1312/spec-kit-architect-preview) |
 | Archive Extension | Archive merged features into main project memory. | `docs` | Read+Write | [spec-kit-archive](https://github.com/stn1slv/spec-kit-archive) |
 | Azure DevOps Integration | Sync user stories and tasks to Azure DevOps work items using OAuth authentication | `integration` | Read+Write | [spec-kit-azure-devops](https://github.com/pragya247/spec-kit-azure-devops) |
 | Branch Convention | Configurable branch and folder naming conventions for /specify with presets and custom patterns | `process` | Read+Write | [spec-kit-branch-convention](https://github.com/Quratulain-bilal/spec-kit-branch-convention) |
diff --git a/extensions/catalog.community.json b/extensions/catalog.community.json
index 61731b22d..dd7f4f3a1 100644
--- a/extensions/catalog.community.json
+++ b/extensions/catalog.community.json
@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-04-13T23:01:30Z",
+  "updated_at": "2026-04-14T21:30:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "aide": {
@@ -36,6 +36,38 @@
       "created_at": "2026-03-18T00:00:00Z",
       "updated_at": "2026-03-18T00:00:00Z"
     },
+    "architect-preview": {
+      "name": "Architect Impact Previewer",
+      "id": "architect-preview",
+      "description": "Predicts architectural impact, complexity, and risks of proposed changes before implementation.",
+      "author": "Umme Habiba",
+      "version": "1.0.0",
+      "download_url": "https://github.com/UmmeHabiba1312/spec-kit-architect-preview/archive/refs/tags/v1.0.0.zip",
+      "repository": "https://github.com/UmmeHabiba1312/spec-kit-architect-preview",
+      "homepage": "https://github.com/UmmeHabiba1312/spec-kit-architect-preview",
+      "documentation": "https://github.com/UmmeHabiba1312/spec-kit-architect-preview/blob/main/README.md",
+      "changelog": "https://github.com/UmmeHabiba1312/spec-kit-architect-preview/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.1.0"
+      },
+      "provides": {
+        "commands": 1,
+        "hooks": 0
+      },
+      "tags": [
+        "architecture",
+        "analysis",
+        "risk-assessment",
+        "planning",
+        "preview"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-04-14T00:00:00Z",
+      "updated_at": "2026-04-14T00:00:00Z"
+    },
     "archive": {
       "name": "Archive Extension",
       "id": "archive",