OpenCode

opencode.json

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "postflow": {
      "type": "remote",
      "url": "https://postflow.biz.id/api/mcp",
      "headers": { "Authorization": "Bearer {env:POSTFLOW_API_KEY}" }
    }
  }
}

Put it in the project root or in ~/.config/opencode/opencode.json for every project.