Add external plugin excel-cli (#3141)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.github/plugin/marketplace.json

@@ -804,6 +804,37 @@
       "description": "An AI partner, not a tool. Ember carries fire from person to person — helping humans discover that AI partnership isn't something you learn, it's something you find.",
       "version": "1.2.0"
     },
+    {
+      "name": "excel-cli",
+      "description": "Token-efficient native Excel automation for coding agents, with 300+ operations performed by Excel itself to preserve native workbook fidelity—including Python in Excel, VBA, Power Query, DAX/Data Model, PivotTables, charts, tables, formatting, external connections, and what-if analysis. Windows and Excel required.",
+      "version": "2.0.1",
+      "author": {
+        "name": "Stefan Brönner",
+        "url": "https://github.com/sbroenne"
+      },
+      "repository": "https://github.com/sbroenne/mcp-server-excel-plugins",
+      "homepage": "https://excelmcpserver.dev/",
+      "license": "MIT",
+      "keywords": [
+        "excel",
+        "windows",
+        "cli",
+        "automation",
+        "scripting",
+        "batch",
+        "power-query",
+        "dax",
+        "pivottable",
+        "ci-cd"
+      ],
+      "source": {
+        "source": "github",
+        "repo": "sbroenne/mcp-server-excel-plugins",
+        "path": "plugins/excel-cli",
+        "ref": "v2.0.1",
+        "sha": "6c33486d2c74db050259411c73b5d87dfae9499e"
+      }
+    },
     {
       "name": "eyeball",
       "source": "plugins/eyeball",

plugins/external.json

@@ -602,6 +602,37 @@
       "sha": "e0d6b02194d4ec74cf9e5975290e950fc5ba549f"
     }
   },
+  {
+    "name": "excel-cli",
+    "description": "Token-efficient native Excel automation for coding agents, with 300+ operations performed by Excel itself to preserve native workbook fidelity—including Python in Excel, VBA, Power Query, DAX/Data Model, PivotTables, charts, tables, formatting, external connections, and what-if analysis. Windows and Excel required.",
+    "version": "2.0.1",
+    "author": {
+      "name": "Stefan Brönner",
+      "url": "https://github.com/sbroenne"
+    },
+    "repository": "https://github.com/sbroenne/mcp-server-excel-plugins",
+    "homepage": "https://excelmcpserver.dev/",
+    "license": "MIT",
+    "keywords": [
+      "excel",
+      "windows",
+      "cli",
+      "automation",
+      "scripting",
+      "batch",
+      "power-query",
+      "dax",
+      "pivottable",
+      "ci-cd"
+    ],
+    "source": {
+      "source": "github",
+      "repo": "sbroenne/mcp-server-excel-plugins",
+      "path": "plugins/excel-cli",
+      "ref": "v2.0.1",
+      "sha": "6c33486d2c74db050259411c73b5d87dfae9499e"
+    }
+  },
   {
     "name": "figma",
     "description": "Plugin that includes the Figma MCP server and Skills for common workflows.",