diff --git a/README.md b/README.md
index e99658342..03715e496 100644
--- a/README.md
+++ b/README.md
@@ -205,6 +205,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | MAQA Jira Integration | Jira integration for MAQA — syncs Stories and Subtasks as features progress through the board | `integration` | Read+Write | [spec-kit-maqa-jira](https://github.com/GenieRobot/spec-kit-maqa-jira) |
 | MAQA Linear Integration | Linear integration for MAQA — syncs issues and sub-issues across workflow states as features progress | `integration` | Read+Write | [spec-kit-maqa-linear](https://github.com/GenieRobot/spec-kit-maqa-linear) |
 | MAQA Trello Integration | Trello board integration for MAQA — populates board from specs, moves cards, real-time checklist ticking | `integration` | Read+Write | [spec-kit-maqa-trello](https://github.com/GenieRobot/spec-kit-maqa-trello) |
+| MemoryLint | Agent memory governance tool: Automatically audits and fixes boundary conflicts between AGENTS.md and the constitution. | `process` | Read+Write | [memorylint](https://github.com/RbBtSn0w/spec-kit-extensions/tree/main/memorylint) |
 | Onboard | Contextual onboarding and progressive growth for developers new to spec-kit projects. Explains specs, maps dependencies, validates understanding, and guides the next step | `process` | Read+Write | [spec-kit-onboard](https://github.com/dmux/spec-kit-onboard) |
 | Optimize | Audit and optimize AI governance for context efficiency — token budgets, rule health, interpretability, compression, coherence, and echo detection | `process` | Read+Write | [spec-kit-optimize](https://github.com/sakitA/spec-kit-optimize) |
 | Plan Review Gate | Require spec.md and plan.md to be merged via MR/PR before allowing task generation | `process` | Read-only | [spec-kit-plan-review-gate](https://github.com/luno/spec-kit-plan-review-gate) |
diff --git a/extensions/catalog.community.json b/extensions/catalog.community.json
index 6935624ee..a88f62615 100644
--- a/extensions/catalog.community.json
+++ b/extensions/catalog.community.json
@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-04-08T00:00:00Z",
+  "updated_at": "2026-04-09T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "aide": {
@@ -806,6 +806,38 @@
       "created_at": "2026-03-26T00:00:00Z",
       "updated_at": "2026-03-26T00:00:00Z"
     },
+    "memorylint": {
+      "name": "MemoryLint",
+      "id": "memorylint",
+      "description": "Agent memory governance tool: Automatically audits and fixes boundary conflicts between AGENTS.md and the constitution.",
+      "author": "RbBtSn0w",
+      "version": "1.0.0",
+      "download_url": "https://github.com/RbBtSn0w/spec-kit-extensions/archive/refs/tags/v1.0.0.zip",
+      "repository": "https://github.com/RbBtSn0w/spec-kit-extensions",
+      "homepage": "https://github.com/RbBtSn0w/spec-kit-extensions/tree/main/memorylint",
+      "documentation": "https://github.com/RbBtSn0w/spec-kit-extensions/blob/main/memorylint/README.md",
+      "changelog": "https://github.com/RbBtSn0w/spec-kit-extensions/blob/main/memorylint/CHANGELOG.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.5.1"
+      },
+      "provides": {
+        "commands": 1,
+        "hooks": 1
+      },
+      "tags": [
+        "memory",
+        "governance",
+        "constitution",
+        "agents-md",
+        "process"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-04-09T00:00:00Z",
+      "updated_at": "2026-04-09T00:00:00Z"
+    },
     "onboard": {
       "name": "Onboard",
       "id": "onboard",
@@ -1559,4 +1591,4 @@
       "updated_at": "2026-03-16T00:00:00Z"
     }
   }
-}
+}
\ No newline at end of file