[docs]: Add Couchbase marketplace plugin

docs/versioned_docs/version-3.16.0-LTS/marketplace/marketplace_overview.mdx

@@ -104,6 +104,7 @@ Removing a plugin will delete all queries associated with it from your applicati
     <PluginCard pluginId="anthropic" title="Anthropic" href="/docs/marketplace/plugins/marketplace-plugin-anthropic" />
     <PluginCard pluginId="bedrock" title="AWS Bedrock" href="/docs/marketplace/plugins/marketplace-plugin-aws-bedrock" />
     <PluginCard pluginId="cohere" title="Cohere" href="/docs/marketplace/plugins/marketplace-plugin-cohere" />
+    <PluginCard pluginId="couchbase" title="Couchbase" href="/docs/marketplace/plugins/marketplace-plugin-couchbase" />
     <PluginCard pluginId="gemini" title="Gemini" href="/docs/marketplace/plugins/marketplace-plugin-gemini" />
     <PluginCard pluginId="huggingface" title="Hugging Face" href="/docs/marketplace/plugins/marketplace-plugin-hugging_face" />
     <PluginCard pluginId="mistral" title="Mistral AI" href="/docs/marketplace/plugins/marketplace-plugin-mistral_ai" />

docs/versioned_docs/version-3.16.0-LTS/marketplace/plugins/couchbase.md

@@ -0,0 +1,262 @@
+---
+id: marketplace-plugin-couchbase
+title: Couchbase
+---
+
+ToolJet integrates with Couchbase to leverage its NoSQL database and advanced vector search capabilities. This enables CRUD document operations, SQL++ queries, and Full-Text Search (FTS) within Couchbase databases. Vector store features support semantic search, hybrid queries, and intelligent application development.
+
+:::note
+Before following this guide, it is assumed that you have already completed the process of **[Using Marketplace plugins](/docs/marketplace/marketplace-overview#using-marketplace-plugins)**.
+:::
+
+## Connection
+
+To connect with Couchbase, you will need the following credentials. Which you can generate from [Couchbase Console](https://www.couchbase.com/).
+
+- **Data API Endpoint** 
+- **Username**
+- **Password**
+
+<img style={{ marginBottom:'15px' }} className="screenshot-full img-full" src="/img/marketplace/plugins/couchbase/connection-v2.png" alt="Configuring Couchbase in ToolJet" />
+
+### Connecting to Data API endpoint in ToolJet
+
+To connect ToolJet with the Couchbase Data API, you must first enable the Data API access and configure authentication properly.
+
+- **Configure Allowed IP Addresses**
+For public connections, you must allow the IP address from which ToolJet will send requests. Add the required IP or CIDR block under Allowed IP Addresses.
+
+- **Set Up Cluster Access Credentials**
+Create or use existing cluster credentials to authenticate Data API requests.
+
+- **Retrieve the Data API Endpoint URL**
+Once enabled, Couchbase displays the Data API endpoint URL, which can be used as the base URL in ToolJet.
+
+
+## Supported Operations
+
+- **[Get Document](#get-document)**
+- **[Create Document](#create-document)**
+- **[Update Document](#update-document)**
+- **[Delete Document](#delete-document)**
+- **[Query](#query)**
+- **[FTS Search](#fts-search)**
+
+<img style={{ marginBottom:'15px' }} className="screenshot-full img-full" src="/img/marketplace/plugins/couchbase/listops.png" alt="Couchbase operations" />
+
+### Get Document
+
+This operation retrieves a specific document by its ID from a Couchbase collection.
+
+#### Required Parameters
+
+- **Bucket**: The name of the bucket containing the document
+- **Document ID**: The unique identifier of the document to retrieve
+- **Scope**: The scope name 
+- **Collection**: The collection name
+
+<img style={{ marginBottom:'15px' }} className="screenshot-full img-full" src="/img/marketplace/plugins/couchbase/get-doc.png" alt="Get Document Operation" />
+
+<details id="tj-dropdown">
+<summary>**Example Response**</summary>
+
+```json
+{
+  "id": "user::123",
+  "name": "John Doe",
+  "email": "john@example.com",
+  "age": 30,
+  "created_at": "2026-02-04T12:15:00Z"
+}
+```
+</details>
+
+### Create Document
+
+This operation creates a new document in a Couchbase collection.
+
+#### Required Parameters
+
+- **Bucket**: The name of the bucket to create the document in
+- **Scope**: The scope name
+- **Collection**: The collection name
+- **Document ID**: The unique identifier for the new document
+- **Document**: The document data as a JSON object
+
+
+<img style={{ marginBottom:'15px' }} className="screenshot-full img-full" src="/img/marketplace/plugins/couchbase/create-doc.png" alt="Create Document Operation" />
+
+<details id="tj-dropdown">
+<summary>**Example Response**</summary>
+
+```yaml
+Created successfully
+```
+</details>
+
+### Update Document
+
+This operation updates an existing document in a Couchbase collection.
+
+#### Required Parameters
+
+- **Bucket**: The name of the bucket containing the document
+- **Scope**: The scope name
+- **Collection**: The collection name
+- **Document ID**: The unique identifier of the document to update
+- **Document**: The updated document data as a JSON object
+
+
+<img style={{ marginBottom:'15px' }} className="screenshot-full img-full" src="/img/marketplace/plugins/couchbase/update-doc.png" alt="Update Document Operation" />
+
+<details id="tj-dropdown">
+<summary>**Example Response**</summary>
+
+```yaml
+Updated successfully
+```
+</details>
+
+Note: Update operation replaces the original document with the updated value of the document passed. 
+
+### Delete Document
+
+This operation deletes a document from a Couchbase collection.
+
+#### Required Parameters
+
+- **Bucket**: The name of the bucket containing the document
+- **Scope**: The scope name
+- **Collection**: The collection name
+- **Document ID**: The unique identifier of the document to delete
+
+<img style={{ marginBottom:'15px' }} className="screenshot-full img-full" src="/img/marketplace/plugins/couchbase/delete-doc.png" alt="Delete Document Operation" />
+
+<details id="tj-dropdown">
+<summary>**Example Response**</summary>
+
+```yaml
+Deleted successfully
+```
+</details>
+
+### Query
+
+This operation executes SQL++ queries against your Couchbase database.
+
+#### Required Parameters
+
+- **SQL++ Query**: The SQL++ statement to execute (use `$parameter` placeholders for named parameters)
+
+#### Optional Parameters
+
+- **Arguments (Key-Value)**: Key-value object for named parameters that replace `$parameter` placeholders in the query
+- **Query Options**: JSON object containing additional query options like `readonly`, `timeout`, etc.
+
+<details id="tj-dropdown">
+<summary>**Example Query**</summary>
+
+```sql
+SELECT * FROM `travel-sample`.`inventory`.`airline` WHERE country = $country LIMIT 10
+```
+
+**Arguments (Key-Value)**: `{ "$country": "France" }`
+
+**Query Options**: `{ "readonly": true, "query_context": "travel-sample.inventory" }`
+
+Refer to the [request paramters](https://docs.couchbase.com/server/current/n1ql-rest-query/index.html#Request) for supported query options.
+
+</details>
+
+<img style={{ marginBottom:'15px' }} className="screenshot-full img-l" src="/img/marketplace/plugins/couchbase/query-v2.png" alt="Query Operation" />
+
+<details id="tj-dropdown">
+<summary>**Example Response**</summary>
+
+```json
+{
+  "results": [
+    {
+      "airline": {
+        "id": 137,
+        "type": "airline",
+        "name": "Air France",
+        "iata": "AF",
+        "icao": "AFR",
+        "callsign": "AIRFRANS",
+        "country": "France"
+      }
+    }
+  ],
+  "status": "success",
+  "metrics": {
+    "elapsedTime": "15.2ms",
+    "executionTime": "14.8ms",
+    "resultCount": 1,
+    "resultSize": 234
+  }
+}
+```
+</details>
+
+### FTS Search
+
+This operation performs Full-Text Search queries against a Couchbase FTS index.
+
+#### Required Parameters
+
+- **Bucket**: The name of the bucket to search in
+- **Scope**: The scope name
+- **Index Name**: The name of the FTS index to search against
+- **Search Query**: The FTS search query as a JSON object
+
+<details id="tj-dropdown">
+<summary>**Example Search Query**</summary>
+
+```json
+{
+  "query": {
+    "match": "hotel",
+    "field": "name"
+  }
+}
+```
+
+</details>
+
+<img style={{ marginBottom:'15px' }} className="screenshot-full img-full" src="/img/marketplace/plugins/couchbase/fts-search-v2.png" alt="FTS Search Operation" />
+
+<details id="tj-dropdown">
+<summary>**Example Response**</summary>
+
+```json
+{
+  "status": {
+    "total": 1,
+    "failed": 0,
+    "successful": 1
+  },
+  "request": {
+    "query": {
+      "match": "hotel",
+      "field": "name"
+    }
+  },
+  "hits": [
+    {
+      "index": "hotel-index",
+      "id": "hotel_123",
+      "score": 0.8567,
+      "fields": {
+        "name": "Grand Hotel",
+        "city": "Paris",
+        "country": "France"
+      }
+    }
+  ],
+  "total_hits": 1,
+  "max_score": 0.8567,
+  "took": 12
+}
+```
+</details> 

docs/versioned_sidebars/version-3.16.0-LTS-sidebars.json

@@ -537,6 +537,7 @@
                 "marketplace/plugins/marketplace-plugin-azurerepos",
                 "marketplace/plugins/marketplace-plugin-clickup",
                 "marketplace/plugins/marketplace-plugin-cohere",
+                "marketplace/plugins/marketplace-plugin-couchbase",
                 "marketplace/plugins/marketplace-plugin-easypost",
                 "marketplace/plugins/marketplace-plugin-engagespot",
                 "marketplace/plugins/marketplace-plugin-fedex",