diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 9413711..f145c8b 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -251,6 +251,30 @@
         }
       }
     },
+    {
+      "name": "ruby-lsp",
+      "description": "Ruby language server for code intelligence and analysis",
+      "version": "1.0.0",
+      "author": {
+        "name": "Anthropic",
+        "email": "support@anthropic.com"
+      },
+      "source": "./plugins/ruby-lsp",
+      "category": "development",
+      "strict": false,
+      "lspServers": {
+        "ruby-lsp": {
+          "command": "ruby-lsp",
+          "extensionToLanguage": {
+            ".rb": "ruby",
+            ".rake": "ruby",
+            ".gemspec": "ruby",
+            ".ru": "ruby",
+            ".erb": "erb"
+          }
+        }
+      }
+    },
     {
       "name": "agent-sdk-dev",
       "description": "Development kit for working with the Claude Agent SDK",
@@ -680,8 +704,9 @@
       "description": "Semgrep catches security vulnerabilities in real-time and guides Claude to write secure code from the start.",
       "category": "security",
       "source": {
-        "source": "url",
-        "url": "https://github.com/semgrep/mcp-marketplace.git"
+        "source": "git-subdir",
+        "url": "https://github.com/semgrep/mcp-marketplace.git",
+        "path": "plugin"
       },
       "homepage": "https://github.com/semgrep/mcp-marketplace.git"
     },
@@ -695,6 +720,17 @@
         "sha": "b16c23e0d790deceaa7a6182616d0e36673f2eae"
       },
       "homepage": "https://github.com/PagerDuty/claude-code-plugins"
+    },
+    {
+      "name": "postman",
+      "description": "Full API lifecycle management for Claude Code. Sync collections, generate client code, discover APIs, run tests, create mocks, publish docs, and audit security. Powered by the Postman MCP Server.",
+      "category": "development",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/Postman-Devrel/postman-claude-code-plugin.git",
+        "sha": "0714280351c1a137e79aad465a66730511ffbd57"
+      },
+      "homepage": "https://learning.postman.com/docs/developer/postman-mcp-server/"
     }
   ]
 }
diff --git a/plugins/ruby-lsp/README.md b/plugins/ruby-lsp/README.md
new file mode 100644
index 0000000..a28b774
--- /dev/null
+++ b/plugins/ruby-lsp/README.md
@@ -0,0 +1,31 @@
+# ruby-lsp
+
+Ruby language server for Claude Code, providing code intelligence and analysis.
+
+## Supported Extensions
+`.rb`, `.rake`, `.gemspec`, `.ru`, `.erb`
+
+## Installation
+
+### Via gem (recommended)
+```bash
+gem install ruby-lsp
+```
+
+### Via Bundler
+Add to your Gemfile:
+```ruby
+gem 'ruby-lsp', group: :development
+```
+
+Then run:
+```bash
+bundle install
+```
+
+## Requirements
+- Ruby 3.0 or later
+
+## More Information
+- [Ruby LSP Website](https://shopify.github.io/ruby-lsp/)
+- [GitHub Repository](https://github.com/Shopify/ruby-lsp)