diff --git a/README.md b/README.md
index dac427e4b2..79940074e4 100644
--- a/README.md
+++ b/README.md
@@ -200,6 +200,7 @@ The following community-contributed extensions are available in [`catalog.commun
 |-----------|---------|----------|--------|-----|
 | Agent Assign | Assign specialized Claude Code agents to spec-kit tasks for targeted execution | `process` | Read+Write | [spec-kit-agent-assign](https://github.com/xymelon/spec-kit-agent-assign) |
 | 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) |
+| API Evolve | Managed API contract evolution — breaking-change detection, semver enforcement, deprecation orchestration, and lifecycle gates across REST, GraphQL, and gRPC | `process` | Read+Write | [spec-kit-api-evolve](https://github.com/Quratulain-bilal/spec-kit-api-evolve) |
 | 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) |
 | Architecture Guard | Continuous architecture governance for AI-assisted development. Reviews specs, plans, and code for architecture drift, producing structured refactor tasks and evolution proposals. | `process` | Read+Write | [spec-kit-architecture-guard](https://github.com/DyanGalih/spec-kit-architecture-guard) |
 | Archive Extension | Archive merged features into main project memory. | `docs` | Read+Write | [spec-kit-archive](https://github.com/stn1slv/spec-kit-archive) |
diff --git a/extensions/catalog.community.json b/extensions/catalog.community.json
index 449a0bf149..b9d72ce6e4 100644
--- a/extensions/catalog.community.json
+++ b/extensions/catalog.community.json
@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-05-07T05:51:00Z",
+  "updated_at": "2026-05-07T15:37:14Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "aide": {
@@ -100,6 +100,43 @@
       "created_at": "2026-05-04T00:00:00Z",
       "updated_at": "2026-05-04T00:00:00Z"
     },
+    "api-evolve": {
+      "name": "API Evolve",
+      "id": "api-evolve",
+      "description": "Managed API contract evolution — breaking-change detection, semver enforcement, deprecation orchestration, and lifecycle gates across REST, GraphQL, and gRPC.",
+      "author": "Quratulain-bilal",
+      "version": "1.0.0",
+      "download_url": "https://github.com/Quratulain-bilal/spec-kit-api-evolve/archive/refs/tags/v1.0.0.zip",
+      "repository": "https://github.com/Quratulain-bilal/spec-kit-api-evolve",
+      "homepage": "https://github.com/Quratulain-bilal/spec-kit-api-evolve",
+      "documentation": "https://github.com/Quratulain-bilal/spec-kit-api-evolve/blob/main/README.md",
+      "changelog": "https://github.com/Quratulain-bilal/spec-kit-api-evolve/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.4.0"
+      },
+      "provides": {
+        "commands": 12,
+        "hooks": 5
+      },
+      "tags": [
+        "api",
+        "contracts",
+        "versioning",
+        "openapi",
+        "graphql",
+        "grpc",
+        "deprecation",
+        "breaking-changes",
+        "semver",
+        "governance"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-05-07T00:00:00Z",
+      "updated_at": "2026-05-07T00:00:00Z"
+    },
     "architect-preview": {
       "name": "Architect Impact Previewer",
       "id": "architect-preview",