Add Claude Code plugin support

- Add .claude-plugin/plugin.json manifest
- Add .mcp.json for MCP server configuration
- Update README with plugin installation instructions

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: Lev Gelfenbuim

.claude-plugin/plugin.json

@@ -0,0 +1,12 @@
+{
+  "name": "html-to-markdown",
+  "description": "Convert HTML to Markdown using Turndown.js. Fetch web pages and extract clean, readable markdown content.",
+  "version": "1.0.2",
+  "author": {
+    "name": "levz0r",
+    "email": "hi@lev.engineer"
+  },
+  "repository": "https://github.com/levz0r/html-to-markdown-mcp",
+  "homepage": "https://github.com/levz0r/html-to-markdown-mcp#readme",
+  "license": "MIT"
+}

.mcp.json

@@ -0,0 +1,8 @@
+{
+  "mcpServers": {
+    "html-to-markdown": {
+      "command": "node",
+      "args": ["${CLAUDE_PLUGIN_ROOT}/index.js"]
+    }
+  }
+}

README.md

@@ -11,6 +11,7 @@ An MCP (Model Context Protocol) server that converts HTML content to Markdown fo
 - [Installation](#installation)
 - [Usage](#usage)
   - [With Claude Code](#with-claude-code)
+  - [With Claude Code (Plugin)](#with-claude-code-plugin)
   - [With Claude Desktop](#with-claude-desktop)
   - [With Cursor](#with-cursor)
   - [With Codex](#with-codex)
@@ -61,6 +62,35 @@ Or if installed globally:
 claude mcp add --transport stdio html-to-markdown -- html-to-markdown-mcp
 ```
 
+### With Claude Code (Plugin)
+
+This project can also be installed as a Claude Code plugin, which bundles the MCP server and makes it easy to share with teams.
+
+**Install directly from GitHub:**
+
+```bash
+/plugin marketplace add levz0r/html-to-markdown-mcp
+/plugin install html-to-markdown@levz0r/html-to-markdown-mcp
+```
+
+**Or enable for your team** by adding to your project's `.claude/settings.json`:
+
+```json
+{
+  "extraKnownMarketplaces": {
+    "levz0r/html-to-markdown-mcp": {
+      "source": {
+        "source": "github",
+        "repo": "levz0r/html-to-markdown-mcp"
+      }
+    }
+  },
+  "enabledPlugins": {
+    "html-to-markdown@levz0r/html-to-markdown-mcp": true
+  }
+}
+```
+
 ### With Claude Desktop
 
 Add this server to your Claude Desktop configuration file: