diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
new file mode 100644
index 0000000..0dae3bd
--- /dev/null
+++ b/.claude-plugin/marketplace.json
@@ -0,0 +1,28 @@
+{
+  "name": "cocoindex-code",
+  "version": "1.0.0",
+  "description": "AST-based semantic code search for Claude Code, Cursor, and any skill-compatible coding agent — install in one command.",
+  "owner": {
+    "name": "Roxabi",
+    "email": "mickael@bouly.io"
+  },
+  "plugins": [
+    {
+      "name": "cocoindex-code",
+      "source": "./",
+      "description": "Semantic code search skill — wraps the `ccc` CLI to give coding agents AST-aware search over the current codebase.",
+      "category": "development",
+      "tags": [
+        "semantic-search",
+        "code-search",
+        "ast",
+        "indexing",
+        "rag",
+        "skill"
+      ],
+      "homepage": "https://github.com/Roxabi/cocoindex-code",
+      "repository": "https://github.com/Roxabi/cocoindex-code",
+      "license": "Apache-2.0"
+    }
+  ]
+}
diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
new file mode 100644
index 0000000..2dabba4
--- /dev/null
+++ b/.claude-plugin/plugin.json
@@ -0,0 +1,21 @@
+{
+  "name": "cocoindex-code",
+  "version": "1.0.0",
+  "description": "AST-based semantic code search via the ccc CLI. Bundles the ccc skill so coding agents handle init, indexing, and search automatically.",
+  "author": {
+    "name": "Roxabi",
+    "email": "mickael@bouly.io"
+  },
+  "homepage": "https://github.com/Roxabi/cocoindex-code",
+  "repository": "https://github.com/Roxabi/cocoindex-code",
+  "license": "Apache-2.0",
+  "keywords": [
+    "semantic-search",
+    "code-search",
+    "ast",
+    "rag",
+    "indexing",
+    "claude-code",
+    "skill"
+  ]
+}
diff --git a/README.md b/README.md
index 51ac3ae..77e5585 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,17 @@ The agent uses semantic search automatically when it would be helpful. You can a
 
 Works with [Claude Code](https://docs.anthropic.com/en/docs/claude-code) and other skill-compatible agents.
 
+#### Claude Code plugin marketplace
+
+For Claude Code users, this repository is also a [plugin marketplace](https://code.claude.com/docs/en/plugin-marketplaces). Install the skill from inside Claude Code with:
+
+```text
+/plugin marketplace add Roxabi/cocoindex-code
+/plugin install cocoindex-code@cocoindex-code
+```
+
+This bundles the same `ccc` skill, with version pinning and `/plugin marketplace update` for updates.
+
 ### MCP Server
 
 Alternatively, use `ccc mcp` to run as an MCP server: