How to Use the Haystack (deepset Cloud) MCP in Cline

Q: What's the difference between runpipeline and searchdocuments when using Cline with Haystack (deepset Cloud)?

Use searchdocuments for a simple keyword search across an index. Use runpipeline for more complex RAG queries that might involve multiple steps. Cline can help you decide which one is appropriate for your task.

Q: Can Cline help me manage my pipelines in Haystack (deepset Cloud) without leaving VS Code?

Yes. You can ask Cline to listpipelines to see what's in your workspace or use getpipeline to inspect a specific one. It's a fast way to check your setup.

Tell Cline to build features using live data from your Haystack (deepset Cloud) pipelines, right inside your VS Code workspace.

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Connect Haystack (deepset Cloud) MCP to Cline

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Setup Haystack (deepset Cloud) with Cline

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Build Data-Driven UI Components

This MCP server turns Cline into an agent that builds with your data. Tell it to create a new React component that displays search results from your knowledge base. Cline will use the `run_pipeline` tool to fetch live data from Haystack and then write the code to render it. It doesn't just give you a code snippet. It understands the task, gets the data, writes the file, and can even stage the commit for you. It's a full-cycle development tool.

End-to-End Document Analysis

Give Cline a research task, not just a simple prompt. For example: 'Find all documents mentioning GDPR, summarize them, and create a markdown file.' Cline can `list_files` in a workspace, use `search_documents` to find the content, generate the summary, and save the new file directly into your project. This automates the tedious parts of working with large document sets. You get the output without having to manually run searches and copy-paste results.

Interact with Haystack from Your Editor

Check on your deepset Cloud environment without breaking your flow. Ask Cline to `list_pipelines` in your current workspace or pull the configuration for one with `get_pipeline`. Cline gets the information and holds it in context for the next command. This lets you string together actions, like inspecting a pipeline and then immediately using it to run a search.

Setup guide

Set up Haystack (deepset Cloud) MCP in Cline

Prerequisites

VS Code with Cline extension installed
Active Vinkius subscription with a valid endpoint token

1

Open Cline MCP settings

Click the Cline icon in the VS Code sidebar to open the Cline panel. Then click the MCP Servers icon (server stack) at the top-right corner of the panel.
2

Add a remote server

Click "Remote Servers" at the top, then click "Add Remote MCP". In the Name field, type haystack-deepset-cloud-mcp. In the URL field, paste your Vinkius endpoint: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp. Get your token from cloud.vinkius.com.
3

Enable the server

After saving, the server appears in the Cline MCP panel. Toggle the switch to enable it. The status indicator turns green when the connection is live.
4

Start using tools

Return to the Cline chat and ask: "Check my latest Haystack (deepset Cloud) refund status." Cline will discover the available tools and request your approval before invoking each one — giving you full control over every action.

Cline MCP Settings

{
  "mcpServers": {
    "haystack-deepset-cloud-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about Haystack (deepset Cloud) MCP in Cline

You give Cline a task, like 'build a list of recent support tickets'. It will use the `run_pipeline` tool on your Haystack (deepset Cloud) server to get the data, then write the actual code for a component that displays it.

Use `search_documents` for a simple keyword search across an index. Use `run_pipeline` for more complex RAG queries that might involve multiple steps. Cline can help you decide which one is appropriate for your task.

Yes. You can ask Cline to `list_pipelines` to see what's in your workspace or use `get_pipeline` to inspect a specific one. It's a fast way to check your setup.

Yes. Just ask Cline to 'list the files in my main workspace'. It will use the `list_files` tool to get you a complete list from your Haystack (deepset Cloud) project.

When you invoke a tool, Cline sends only the required parameters. For `search_documents`, that's the query string and any filters. For `run_pipeline`, it's the pipeline ID and input values. Vinkius processes this in a zero-trust, ephemeral sandbox that is deleted right after.

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