feat: initial open marketplace with llm-security, config-audit, ultraplan-local

README.md

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+# ktg-plugin-marketplace
+
+Open-source Claude Code plugins for AI-assisted development, security, and planning.
+
+## Plugins
+
+| Plugin | Description |
+|--------|-------------|
+| **llm-security** | Security scanning, auditing, and threat modeling aligned to OWASP LLM Top 10 (2025) |
+| **config-audit** | Multi-agent workflow for analyzing and optimizing Claude Code configuration |
+| **ultraplan-local** | Deep implementation planning with agent swarms, adversarial review, and headless execution |
+
+## Installation
+
+### Step 1: Add this marketplace
+
+Add the following entry to your `~/.claude/plugins/known_marketplaces.json`:
+
+```json
+{
+  "ktg-plugin-marketplace": {
+    "source": {
+      "source": "git",
+      "url": "https://git.fromaitochitta.com/open/ktg-plugin-marketplace.git"
+    },
+    "installLocation": "<your-home>/.claude/plugins/marketplaces/ktg-plugin-marketplace",
+    "autoUpdate": true
+  }
+}
+```
+
+Replace `<your-home>` with your actual home directory path.
+
+### Step 2: Enable plugins
+
+Add the plugins you want to `~/.claude/settings.json`:
+
+```json
+{
+  "enabledPlugins": {
+    "llm-security@ktg-plugin-marketplace": true,
+    "config-audit@ktg-plugin-marketplace": true,
+    "ultraplan-local@ktg-plugin-marketplace": true
+  }
+}
+```
+
+### Step 3: Verify
+
+Open a new Claude Code session and run `/plugin` to see available plugins.
+
+## License
+
+MIT