How to Use Cline in VS Code with Ace Data Cloud

If you already use Cline inside VS Code, the most useful setup is often the least dramatic one: point Cline at a reliable OpenAI-compatible provider, verify that plain chat works, then verify that file-oriented tool use works before trusting it on a real repository.

This guide walks through that practical path using Ace Data Cloud as the provider behind Cline. The goal is not to introduce a new workflow for its own sake; it is to make your coding agent predictable enough that you can use it on everyday tasks like reading a file, explaining a module, or making a small change with confidence.

What you can do

With the configuration described in the Ace Data Cloud Cline guide, you can connect Cline's OpenAI Compatible provider setting to Ace Data Cloud, supply an API key, choose the model ID provided by your Coding Plan, and then run a minimal verification task inside VS Code.

• Use https://api.acedata.cloud/v1 as the Cline Base URL.
• Keep Custom Headers blank unless you have a separate reason to add them.
• Leave Set Azure API version blank.
• Keep Use Azure Identity Authentication disabled.
• Confirm that the selected model can chat and, separately, that it can operate on files through tool calling.

That last distinction matters. A model that can answer a prompt is not automatically a good coding-agent model. For an IDE assistant, you also care whether Cline can ask the model to use tools against your workspace.

How it works

Cline supports an OpenAI Compatible provider mode. Instead of using a provider-specific form, you give Cline a base URL, an API key, and a model ID. Cline then talks to that endpoint using the OpenAI-compatible shape expected by the extension.

In this setup, Ace Data Cloud provides the base URL and API key, while the model ID comes from the model currently available in your Coding Plan. In practice, this means your Cline configuration has only a few moving pieces. If something fails, the error usually points to one of those pieces: the key, the base URL, or the model ID.

Step 1: Get the API key

Open the Ace Data Cloud application list, enter an available application, and copy its API key. Treat this key like any other development secret: do not paste it into source control, screenshots, public issue trackers, or shared logs.

The key is the value you will paste into Cline's API Key field. The documentation does not require a custom header for this flow, so keep the Custom Headers field blank for the initial setup. Starting from the documented minimal configuration makes troubleshooting much easier.

Step 2: Configure Cline in VS Code

Install and open Cline in VS Code. From the Cline panel, use the settings button to open the provider configuration. Then fill in the provider fields like this:

{
  "API Provider": "OpenAI Compatible",
  "Base URL": "https://api.acedata.cloud/v1",
  "API Key": "<your Ace Data Cloud API key>",
  "Model ID": "<model ID provided by your Coding Plan>",
  "Custom Headers": "",
  "Set Azure API version": "",
  "Use Azure Identity Authentication": "Disabled"
}

Keep the remaining model capability settings at their defaults at first. The source guide specifically recommends adjusting those later only when you need images or a larger context window, and then only according to the actual capabilities of the selected model.

This is a good habit for agent configuration in general: make the smallest documented setup work first, then widen capabilities only when you can explain why the task needs them.

Step 3: Verify chat before file operations

After saving the provider settings, create a new Cline task and send a deliberately boring prompt:

Reply only OK

This test is useful because it removes almost every variable except basic connectivity. You are not asking the model to reason over a repository, call tools, or infer a coding style. You only want to know that Cline can reach the configured provider and receive a response.

If this step fails with a 401, the guide says that usually points to an incorrect key. Check that you copied the intended API key and did not include extra whitespace. If it fails with a 404, the guide says that usually points to an incorrect Base URL or Model ID. In that case, compare the value in Cline with https://api.acedata.cloud/v1 and confirm the model ID from your Coding Plan.

Step 4: Verify tool calling with a test file

Once the simple chat test works, ask Cline to read a test file in your workspace. This is the more important check for day-to-day coding. A coding assistant that can respond conversationally but cannot operate on files is not yet ready for repository work.

If the model can chat but cannot work with files, the guide recommends checking the tool-calling capability of the selected model. That is a separate capability from text generation, and it is exactly what Cline needs when it reads files, inspects project structure, and applies changes.

You can also review call records in Usage History after testing. This gives you a second place to confirm that requests are reaching the provider and helps separate configuration problems from workspace-level issues.

A small troubleshooting checklist

• Got 401? Re-check the API key first.
• Got 404? Re-check the Base URL and Model ID.
• Chat works but files do not? Check whether the chosen model supports tool calling.
• Need images or more context? Adjust capability settings only according to the selected model's real capabilities.

Where this fits in a builder workflow

I like this setup because it keeps the agent boundary clear. VS Code remains the workspace. Cline remains the agent UI. Ace Data Cloud supplies the OpenAI-compatible connection details. The first validation prompt proves the connection, and the file-read test proves whether the model is useful for actual development work.

From there, you can move gradually: ask for a file summary, then a small refactor, then a targeted change. If anything breaks, the configuration surface is small enough to debug without guessing.

For the exact source configuration, see the Cline for VS Code setup guide.