Add Cursor marketplace plugin package (#521)

.cursor-plugin/marketplace.json

@@ -0,0 +1,17 @@
+{
+  "name": "openseo",
+  "owner": {
+    "name": "Every App, Inc",
+    "email": "support@openseo.so"
+  },
+  "metadata": {
+    "description": "OpenSEO's official Cursor plugin marketplace."
+  },
+  "plugins": [
+    {
+      "name": "openseo",
+      "source": "plugins/openseo",
+      "description": "SEO made simple. Research keywords and competitors, audit sites, track rankings, and use Search Console data from your agent."
+    }
+  ]
+}

plugins/openseo/.cursor-plugin/plugin.json

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+{
+  "name": "openseo",
+  "version": "1.0.0",
+  "description": "SEO made simple. Research keywords and competitors, audit sites, track rankings, and use Search Console data from your agent.",
+  "author": {
+    "name": "Every App, Inc",
+    "email": "support@openseo.so"
+  },
+  "homepage": "https://openseo.so",
+  "repository": "https://github.com/every-app/open-seo",
+  "license": "MIT",
+  "keywords": [
+    "seo",
+    "keyword-research",
+    "competitor-research",
+    "site-audit",
+    "backlinks",
+    "search-console",
+    "rank-tracking",
+    "local-seo"
+  ],
+  "logo": "https://raw.githubusercontent.com/every-app/open-seo/main/public/transparent-logo.png",
+  "skills": "skills",
+  "mcpServers": "mcp.json"
+}

plugins/openseo/README.md

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+# OpenSEO for Cursor
+
+SEO made simple.
+
+OpenSEO gives your agent real SEO data and guided workflows, so its advice is grounded in your website instead of generic recommendations.
+
+## What you can do
+
+- Find and evaluate keywords
+- Research competitors and content gaps
+- Audit a website and prioritize fixes
+- Analyze backlinks and find link prospects
+- Track organic and Google Maps rankings
+- Work with Google Search Console and Analytics data
+
+The plugin includes nine skills that guide Cursor through complete SEO workflows, plus the hosted OpenSEO MCP server for live data and project management.
+
+## Connect
+
+Install the OpenSEO plugin from the Cursor Marketplace. The first time Cursor uses an OpenSEO tool, follow the OAuth prompt to sign in and approve the connection.
+
+You need an OpenSEO account. The plugin package is free and open source. Hosted OpenSEO plans and usage credits are described at [openseo.so/pricing](https://openseo.so/pricing), and OpenSEO can also be [self-hosted](https://github.com/every-app/open-seo#self-hosting).
+
+## Try it
+
+- "Research keywords for my website and shortlist the best opportunities."
+- "Audit my website and tell me what to fix first."
+- "What does competitor.com rank for that I don't?"
+- "Which pages are close to ranking in Google Search Console?"
+- "Track my rankings for these keywords and summarize what changed."
+
+## Included skills
+
+- Competitive landscape
+- Competitor analysis
+- Keyword clustering
+- Keyword research
+- Link prospecting
+- Local SEO
+- SEO audit
+- SEO coach
+- SEO project setup
+
+## Links
+
+- [OpenSEO](https://openseo.so)
+- [MCP documentation](https://openseo.so/docs/mcp)
+- [Privacy policy](https://openseo.so/privacy)
+- [Terms](https://openseo.so/terms-and-conditions)
+- [Support](https://openseo.so/support)

plugins/openseo/mcp.json

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+{
+  "mcpServers": {
+    "openseo": {
+      "url": "https://app.openseo.so/mcp"
+    }
+  }
+}