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Cline Integration

Cline is an autonomous coding agent. You can configure it to use the LeanMCP AI Gateway as a custom provider or via its OpenRouter/Anthropic integration points.

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Configuration

To use LeanMCP with Cline, you need to update your global state configuration file. This allows you to point Cline’s API requests to the LeanMCP AI Gateway.
1

Locate Configuration File

Open your Cline global state file. On Windows, this is typically located at:C:\Users\<your-username>\.cline\data\globalState.json
Ensure Cline is closed before editing this file to prevent your changes from being overwritten.
2

Update Configuration

Add or modify the following fields in your globalState.json. This configures the API provider to use LeanMCP and sets the necessary authentication details.
{
  "actModeApiProvider": "leanmcp",
  "planModeApiProvider": "leanmcp",
  "leanmcp": {
    "apiKey": "leanmcp_your_api_key_here",
    "baseURL": "https://aigateway.leanmcp.com/v1/anthropic",
    "modelId": "anthropic/claude-opus-4.5"
  },
  "apiProvider": "leanmcp"
}
Replace leanmcp_your_api_key_here with your actual API key from the LeanMCP Dashboard.

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Example Configuration

Here is a more complete example of what your globalState.json might look like: 
{
  "welcomeViewCompleted": true,
  "actModeApiProvider": "leanmcp",
  "planModeApiProvider": "leanmcp",
  "openAiHeaders": {},
  "sapAiCoreUseOrchestrationMode": true,
  "ocaMode": "internal",
  "autoApprovalSettings": {
    "version": 7,
    "enabled": true,
    "maxRequests": 20,
    "actions": {
      "readFiles": true,
      "executeSafeCommands": true,
      "useMcp": true
    }
  },
  "leanmcp": {
    "apiKey": "leanmcp_your_api_key_here",
    "baseURL": "https://aigateway.leanmcp.com/v1/anthropic",
    "modelId": "anthropic/claude-opus-4.5"
  },
  "apiProvider": "leanmcp"
}