retell_create_llm
Configure custom AI agents by setting model parameters, system prompts, and conversation tools for voice and chat interactions.
Instructions
Create a new Retell LLM configuration with custom prompts and settings.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| model | Yes | The base model (e.g., 'gpt-4o', 'claude-3.5-sonnet', 'gpt-4o-mini') | |
| general_prompt | Yes | The main system prompt defining the agent's behavior and personality | |
| begin_message | No | Optional: The greeting message the agent says when call starts | |
| general_tools | No | Optional: Array of tool configurations for function calling | |
| inbound_dynamic_variables_webhook_url | No | Optional: Webhook URL to fetch dynamic variables for inbound calls | |
| knowledge_base_ids | No | Optional: Array of knowledge base IDs to use |
Implementation Reference
- src/index.ts:1201-1202 (handler)The handler logic for the 'retell_create_llm' tool in the executeTool switch statement. It forwards the request to Retell's API endpoint /create-retell-llm.
case "retell_create_llm": return retellRequest("/create-retell-llm", "POST", args); - src/index.ts:702-739 (registration)Registration of the 'retell_create_llm' tool in the tools array, including name, description, and inputSchema for validation.
{ name: "retell_create_llm", description: "Create a new Retell LLM configuration with custom prompts and settings.", inputSchema: { type: "object", properties: { model: { type: "string", description: "The base model (e.g., 'gpt-4o', 'claude-3.5-sonnet', 'gpt-4o-mini')" }, general_prompt: { type: "string", description: "The main system prompt defining the agent's behavior and personality" }, begin_message: { type: "string", description: "Optional: The greeting message the agent says when call starts" }, general_tools: { type: "array", description: "Optional: Array of tool configurations for function calling", items: { type: "object" } }, inbound_dynamic_variables_webhook_url: { type: "string", description: "Optional: Webhook URL to fetch dynamic variables for inbound calls" }, knowledge_base_ids: { type: "array", items: { type: "string" }, description: "Optional: Array of knowledge base IDs to use" } }, required: ["model", "general_prompt"] } },