diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 0cc4bbd..590f4c4 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -9,49 +9,5 @@
   "homepage": "https://cloud.google.com/sql",
   "license": "Apache-2.0",
   "repository": "https://github.com/gemini-cli-extensions/cloud-sql-postgresql",
-  "skills": "./skills/",
-  "userConfig": {
-    "cloud_sql_postgres_project": {
-      "title": "Project ID",
-      "description": "ID of the Google Cloud project",
-      "type": "string",
-      "sensitive": false
-    },
-    "cloud_sql_postgres_region": {
-      "title": "Region",
-      "description": "Region of the Cloud SQL instance",
-      "type": "string",
-      "sensitive": false
-    },
-    "cloud_sql_postgres_instance": {
-      "title": "Instance Name",
-      "description": "Name of the Cloud SQL instance",
-      "type": "string",
-      "sensitive": false
-    },
-    "cloud_sql_postgres_database": {
-      "title": "Database Name",
-      "description": "Name of the database",
-      "type": "string",
-      "sensitive": false
-    },
-    "cloud_sql_postgres_user": {
-      "title": "Database User",
-      "description": "(Optional) Username of the database user (Default: IAM user)",
-      "type": "string",
-      "sensitive": false
-    },
-    "cloud_sql_postgres_password": {
-      "title": "Database Password",
-      "description": "(Optional) Password of the database user (Default: IAM user)",
-      "type": "string",
-      "sensitive": false
-    },
-    "cloud_sql_postgres_ip_type": {
-      "title": "IP Type",
-      "description": "(Optional) Type of the IP address: PUBLIC, PRIVATE, or PSC (Default: Public)",
-      "type": "string",
-      "sensitive": false
-    }
-  }
+  "skills": "./skills/"
 }
diff --git a/.lycheeignore b/.lycheeignore
index c3fe010..e867c96 100644
--- a/.lycheeignore
+++ b/.lycheeignore
@@ -1,2 +1,3 @@
 https://github.com/gemini-cli-extensions/cloud-sql-postgresql/compare/
 https://www.npmjs.com/package/skills
+https://agent-plugins.org/compatible-clients
diff --git a/README.md b/README.md
index 1ebd5a6..2aea296 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,8 @@ This repository provides a set of agent skills to interact with [Cloud SQL for P
     - [Antigravity](#antigravity)
     - [Claude Code](#claude-code)
     - [Codex](#codex)
+- [Installing using open agent skills tool](#installing-using-open-agent-skills-tool)
+- [Installing via a compatible Agent Plugins client](#installing-via-a-compatible-agent-plugins-client)
 - [Usage Examples](#usage-examples)
 - [Supported Skills](#supported-skills)
 - [Additional Agent Skills](#additional-agent-skills)
@@ -202,6 +204,19 @@ For detailed info check out the [Skills npm package](https://www.npmjs.com/packa
 **2. Set env vars:**
 Set your environment vars as described in the [configuration section](#configuration).
 
+## Installing via a compatible Agent Plugins client
+
+This repository is a valid [Agent Plugins](https://github.com/agentplugins/agent-plugins-spec) (v1) plugin. Any [Agent Plugins–compatible client](https://agent-plugins.org/compatible-clients) can install it directly using its own built-in plugin command — no extra tooling required — by pointing at this repository:
+
+```
+https://github.com/gemini-cli-extensions/cloud-sql-postgresql
+```
+
+Beyond harnesses covered by the native install above, compatible clients include VS Code, Cursor, GitHub Copilot, and Kiro. See your agent's documentation for its exact install command.
+
+**Set env vars:**
+Set your environment vars as described in the [configuration section](#configuration).
+
 <!-- {x-release-please-end} -->
 
 ## Usage Examples
diff --git a/plugin.json b/plugin.json
new file mode 100644
index 0000000..9b3abc8
--- /dev/null
+++ b/plugin.json
@@ -0,0 +1,18 @@
+{
+  "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
+  "name": "cloud-sql-postgresql",
+  "version": "0.4.0",
+  "description": "Create, connect, and interact with a Cloud SQL for PostgreSQL database and data.",
+  "author": {
+    "name": "Google LLC",
+    "email": "data-cloud-ai-integrations@google.com"
+  },
+  "homepage": "https://cloud.google.com/sql",
+  "repository": "https://github.com/gemini-cli-extensions/cloud-sql-postgresql",
+  "license": "Apache-2.0",
+  "keywords": [
+    "cloud-sql",
+    "postgresql",
+    "database"
+  ]
+}
diff --git a/release-please-config.json b/release-please-config.json
index 34dc07b..a9ee30e 100644
--- a/release-please-config.json
+++ b/release-please-config.json
@@ -43,6 +43,11 @@
           "type": "json",
           "path": ".claude-plugin/plugin.json",
           "jsonpath": "$.version"
+        },
+        {
+          "type": "json",
+          "path": "plugin.json",
+          "jsonpath": "$.version"
         }
       ]
     }