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PromptBeginner5 minmarkdown
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Coding
Customize the system prompt
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promptBeginner5 min to valuemarkdown
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Jan 23, 2026
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Would you like to customize how your AI agent acts, writes and responds to users? Define a custom system prompt.
When using the AI Agent extension with Tiptap Cloud, use the
systemPromptconst provider = new AiAgentProvider({ systemPrompt: 'You are an AI agent that edits rich text...', // ... Other options })
This will replace the default system prompt that is used in Tiptap Cloud.
When using the AI Agent extension with a custom AI agent running in your backend, the way to customize the system prompt depends on the AI model provider you are using. Learn more in our Custom AI agent integration guide.
Thanks to system prompts, your app can support multiple types of AI Agents, each with their rules and personality. You can change the system prompt at any time by calling the
setSystemPromptprovider.setSystemPrompt('You are an AI agent that edits rich text...')
Nailing the right system prompt can be hard. The
@tiptap-pro/extension-ai-agent-serverimport { getDefaultSystemPrompt } from '@tiptap-pro/extension-ai-agent-server' // Log the default system prompt to read it and adjust it to your needs. console.log(getDefaultSystemPrompt())
Prompt engineering techniques can help you obtain the desired behavior from the AI agent. To learn more, see these resources: