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# Merge duplicate clients

> Merge a duplicate client into another and pick which side wins on the fields that differ. Input schema, a tools/call example and an example result.

Source: https://cotlet.dev/docs/mcp/jivochat/merge_clients

Docs sections: [Get started](https://cotlet.dev/docs.md) · [REST API](https://cotlet.dev/docs/api.md) · [MCP](https://cotlet.dev/docs/mcp.md) · [SDKs & CLI](https://cotlet.dev/docs/sdks.md) · [Integrations](https://cotlet.dev/docs/integrations.md)

Merge a duplicate client into another and pick which side wins on the fields that differ.

JivoChat MCP tools: https://cotlet.dev/docs/mcp/jivochat.md

MCP tool: `jivochat_write → merge_clients`

Access: write. Confirm: waits for the user's OK before it runs.

merge_clients runs the Merge dialog of the app. Tags, tasks and deals are combined; the six fields come from the side you pick. The chat histories become one common chat, and later agent replies go to every device the customer used. The app cannot undo a merge, and it works only inside one channel and only in Live Chat channels. By default you confirm each call; you can switch that off for this tool.

## Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `client_id` | string | yes | The client you keep, from list_clients. |
| `duplicate_id` | string | yes | The duplicate, from list_duplicate_clients. |
| `keep_from` | string | no | Which client wins on Name, Company, Responsible, Status, Category and Description: client or duplicate. Default client. |

## tools/call

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "jivochat_write",
    "arguments": {
      "operation": "merge_clients",
      "arguments": {
        "client_id": "cl_3a91",
        "duplicate_id": "cl_7b20",
        "keep_from": "client"
      }
    }
  }
}
```

## Example response

```json
{
  "content": [
    {
      "type": "text",
      "text": "{ ... same JSON as structuredContent ... }"
    }
  ],
  "structuredContent": {
    "status": "merge_started",
    "client_id": "cl_3a91",
    "merged_client_id": "cl_7b20",
    "message": "The clients merge started"
  },
  "isError": false
}
```

Previous: [Update client tags](https://cotlet.dev/docs/mcp/jivochat/update_client_tags.md)

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