diff --git a/README.md b/README.md
index 8266fb2e4b..9831f48270 100644
--- a/README.md
+++ b/README.md
@@ -232,6 +232,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Memory Loader | Loads .specify/memory/ files before lifecycle commands so LLM agents have project governance context | `docs` | Read-only | [spec-kit-memory-loader](https://github.com/KevinBrown5280/spec-kit-memory-loader) |
 | Memory MD | Repository-native durable memory for Spec Kit projects | `docs` | Read+Write | [spec-kit-memory-hub](https://github.com/DyanGalih/spec-kit-memory-hub) |
 | 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) |
+| Microsoft 365 Integration | Fetch Teams messages, meeting transcripts, and SharePoint/OneDrive files as local Markdown for spec generation | `integration` | Read+Write | [spec-kit-m365](https://github.com/BenBtg/spec-kit-m365) |
 | 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 27699b7113..c2d33aad95 100644
--- a/extensions/catalog.community.json
+++ b/extensions/catalog.community.json
@@ -941,6 +941,44 @@
       "created_at": "2026-03-17T00:00:00Z",
       "updated_at": "2026-03-17T00:00:00Z"
     },
+    "m365": {
+      "name": "Microsoft 365 Integration",
+      "id": "m365",
+      "description": "Fetch Teams messages, meeting transcripts, and SharePoint/OneDrive files as local Markdown for spec generation.",
+      "author": "BenBtg",
+      "version": "1.0.0",
+      "download_url": "https://github.com/BenBtg/spec-kit-m365/archive/refs/tags/v1.0.0.zip",
+      "repository": "https://github.com/BenBtg/spec-kit-m365",
+      "homepage": "https://github.com/BenBtg/spec-kit-m365",
+      "documentation": "https://github.com/BenBtg/spec-kit-m365/blob/main/README.md",
+      "changelog": "https://github.com/BenBtg/spec-kit-m365/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.1.0",
+        "tools": [
+          {
+            "name": "m365",
+            "required": true
+          }
+        ]
+      },
+      "provides": {
+        "commands": 3,
+        "hooks": 0
+      },
+      "tags": [
+        "microsoft-365",
+        "teams",
+        "transcripts",
+        "collaboration",
+        "summarization"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-04-28T00:00:00Z",
+      "updated_at": "2026-04-28T00:00:00Z"
+    },
     "maqa": {
       "name": "MAQA — Multi-Agent & Quality Assurance",
       "id": "maqa",