diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index f5d94f9..9b03794 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -7,6 +7,22 @@
     "email": "support@anthropic.com"
   },
   "plugins": [
+    {
+      "name": "42crunch-api-security-testing",
+      "description": "Automate API security directly in Claude Code with 42Crunch - automatically audit OpenAPI specs, detect vulnerabilities aligned with OWASP API Security risks (including BOLA/BFLA), and apply AI-powered fixes. Designed for AI-assisted development workflows, it provides continuous guardrails through an audit->scan->remediate->validate loop, ensuring APIs meet enterprise security standards before deployment.",
+      "author": {
+        "name": "42Crunch"
+      },
+      "category": "security",
+      "source": {
+        "source": "git-subdir",
+        "url": "https://github.com/42Crunch-AI/claude-plugins.git",
+        "path": "plugins/api-security-testing",
+        "ref": "v1.0.1",
+        "sha": "56273e0e20762d76640838300a7431c4260cad32"
+      },
+      "homepage": "https://42crunch.com"
+    },
     {
       "name": "adlc",
       "description": "Agentforce Agent Development Life Cycle — author, discover, scaffold, deploy, test, and optimize .agent files",