chore(packages): update MCP package list (2 packages)

Changes:
- Added new package: @modelcontextprotocol/server-everart
- Added new package: @modelcontextprotocol/server-sequential-thinking

packages/package-list.json

@@ -150,5 +150,21 @@
     "sourceUrl": "https://github.com/anaisbetts/mcp-youtube",
     "homepage": "https://github.com/anaisbetts/mcp-youtube",
     "license": "MIT"
+  },
+  {
+    "name": "@modelcontextprotocol/server-everart",
+    "description": "MCP server for EverArt API integration",
+    "vendor": "Anthropic, PBC (https://anthropic.com)",
+    "sourceUrl": "https://github.com/modelcontextprotocol/servers/blob/main/src/everart",
+    "homepage": "https://modelcontextprotocol.io",
+    "license": "MIT"
+  },
+  {
+    "name": "@modelcontextprotocol/server-sequential-thinking",
+    "description": "MCP server for sequential thinking and problem solving",
+    "vendor": "Anthropic, PBC (https://anthropic.com)",
+    "sourceUrl": "https://github.com/modelcontextprotocol/servers/blob/main/src/sequentialthinking",
+    "homepage": "https://modelcontextprotocol.io",
+    "license": "MIT"
   }
-]
+]