diff --git a/.github/plugin/marketplace.json b/.github/plugin/marketplace.json
index a31b710..87e2550 100644
--- a/.github/plugin/marketplace.json
+++ b/.github/plugin/marketplace.json
@@ -127,6 +127,29 @@
       "version": "1.0.0",
       "repository": "https://github.com/github/copilot-advanced-security-plugin"
     },
+    {
+      "name": "aso-skill",
+      "description": "Research current Apple App Store keywords, rankings, popularity, and competitor metadata through a secure hosted MCP connection.",
+      "version": "1.6.2",
+      "author": {
+        "name": "Hesselbom Tech AB",
+        "url": "https://www.asoskill.com/about"
+      },
+      "homepage": "https://www.asoskill.com",
+      "keywords": [
+        "aso",
+        "app-store-optimization",
+        "apple-app-store",
+        "keyword-research",
+        "mcp"
+      ],
+      "license": "MIT",
+      "repository": "https://github.com/ASO-Skill/aso-skill",
+      "source": {
+        "source": "github",
+        "repo": "ASO-Skill/aso-skill"
+      }
+    },
     {
       "name": "azure-devops-copilot-plugin",
       "source": {
diff --git a/README.md b/README.md
index b137c9f..261e3e2 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,8 @@ This marketplace also references plugins hosted in other repositories:
 
 - **[Advanced Security](https://github.com/github/copilot-advanced-security-plugin)** — Access to GitHub Advanced Security capabilities such as dependency scanning and secret scanning.
 
+- **[ASO Skill](https://github.com/ASO-Skill/aso-skill)** — Research current Apple App Store keywords, rankings, popularity, and competitor metadata through a secure hosted MCP connection.
+
 - **[Azure DevOps Copilot Plugin](https://github.com/microsoft/azure-devops-copilot-plugin)** — Bring Azure DevOps work-item, repository, and pull-request workflows into GitHub Copilot.
 
 - **[Microsoft Skills for Fabric](https://github.com/microsoft/skills-for-fabric)** — `fabric-skills`, `powerbi-authoring`. Skills and agents for Microsoft Fabric (Lakehouse, Warehouse, Power BI, Eventhouse, Eventstream, Dataflows, Spark).