How to Use Cline in VS Code with an OpenAI-Compatible Ace Data Cloud Model

If you use Cline as your coding agent inside VS Code, the most important setup detail is not the chat prompt. It is making sure the provider, base URL, model ID, and tool-calling behavior are configured cleanly before you trust it with a real repository.
This guide walks through a practical Cline setup using Ace Data Cloud as an OpenAI-compatible provider. The goal is simple: get a working coding assistant inside VS Code, verify that it can respond, then confirm that it can operate on files through Cline rather than only chat.
What you can do
With the configuration described in the Ace Data Cloud Cline guide, you can connect Cline to a model exposed through an OpenAI-compatible interface and use it from the Cline panel in VS Code. The documented configuration uses:
API Provider:OpenAI CompatibleBase URL:https://api.acedata.cloud/v1API Key: the key copied from an Ace Data Cloud applicationModel ID: the model ID currently provided by the Coding PlanCustom Headers: left blankSet Azure API version: left blankUse Azure Identity Authentication: disabled
That is intentionally a small surface area. For a builder, the value is that Cline can stay in your normal editor workflow while the model endpoint is configured as a standard OpenAI-compatible provider.
How it works
Cline’s provider setting tells the extension how to send model requests. In this setup, Cline is not configured as an Azure provider and does not require custom headers. Instead, it uses the OpenAI-compatible provider mode and points to the Ace Data Cloud base URL:
https://api.acedata.cloud/v1
The API key comes from an application in the Ace Data Cloud console. The model ID should be the exact model ID made available by the Coding Plan you are using. Keep the remaining model capability settings at their defaults during first setup. If you later need image support or a larger context window, adjust those settings according to the real capabilities of the selected model rather than guessing.
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 provider credential: do not commit it to a repository, paste it into issue threads, or include it in screenshots.
For the initial Cline setup, you only need the key itself and the model ID you plan to use. If you are testing across several models, write the model IDs down separately so you can tell the difference between a credential problem and a model-name problem later.
Step 2: Configure Cline in VS Code
Install and open Cline in VS Code. In the Cline panel, open the provider configuration from the settings button. Use the OpenAI-compatible provider mode and fill in the documented fields exactly.
A compact checklist version of the configuration looks like this:
{
"apiProvider": "OpenAI Compatible",
"baseUrl": "https://api.acedata.cloud/v1",
"apiKey": "YOUR_ACE_DATA_CLOUD_API_KEY",
"modelId": "MODEL_ID_FROM_YOUR_CODING_PLAN",
"customHeaders": "",
"azureApiVersion": "",
"useAzureIdentityAuthentication": false
}
This JSON is not meant to be imported directly into Cline. It is a copy-safe way to review the same fields before you save the provider settings in the UI.
Step 3: Verify chat first, then tools
After saving the provider settings, create a new Cline task and send a deliberately boring prompt:
Reply only OK
This removes ambiguity. If the provider is configured correctly, the model should answer with a minimal response. Once that works, ask Cline to read a small test file in your workspace. That second test matters because a model that can chat is not automatically useful as a coding agent. For Cline-based development, you want to confirm that the selected model supports tool calling in practice.
You can also inspect call records in Usage History. That gives you a second place to check whether requests are reaching the provider while you debug the local editor setup.
Troubleshooting the common failures
The setup guide calls out three useful checks:
- 401 errors usually point to an incorrect API key. Re-copy the key from the application and make sure there are no extra spaces.
- 404 errors usually point to an incorrect
Base URLorModel ID. Re-checkhttps://api.acedata.cloud/v1and the exact model ID from your Coding Plan. - Chat works, but file operations do not usually means you should check whether the selected model supports tool calling.
Do not debug all three at once. First prove the key and base URL by getting the Reply only OK task to work. Then test file access. Then adjust model capability settings only when you have a specific reason, such as image handling or context-size requirements.
A builder-friendly setup routine
For a real project, I like to use a tiny verification file before giving any coding agent a broad task. Create a file such as cline-smoke-test.txt with one sentence, ask Cline to read it, and then ask it to summarize the file in one line. If that succeeds, you know the provider configuration and tool path are both working.
From there, move to small repository tasks: explain a function, locate a config file, or suggest a narrow refactor. This keeps the first session focused on integration quality instead of asking the agent to make sweeping changes before you know the basics are healthy.
Where to go next
The whole setup is only a few fields, but the verification sequence is what makes it reliable: configure the OpenAI-compatible provider, test with Reply only OK, then confirm file access and tool calling before using Cline on real work.
For the source configuration details, see the Cline for VS Code Setup Guide.
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