import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import Retell from "retell-sdk";
import {
CreatePhoneNumberInputSchema,
GetPhoneNumberInputSchema,
UpdatePhoneNumberInputSchema,
} from "../schemas/index.js";
import { transformPhoneNumberOutput } from "../transformers/index.js";
import { createToolHandler } from "./utils.js";
export const registerPhoneNumberTools = (
server: McpServer,
retellClient: Retell
) => {
server.tool(
"list_phone_numbers",
"Lists all Retell phone numbers",
{},
createToolHandler(async () => {
const phoneNumbers = await retellClient.phoneNumber.list();
return phoneNumbers.map(transformPhoneNumberOutput);
})
);
server.tool(
"create_phone_number",
"Creates a new phone number",
CreatePhoneNumberInputSchema.shape,
createToolHandler(async (data) => {
const createPhoneNumberDto = {
area_code: data.areaCode,
inbound_agent_id: data.inboundAgentId,
outbound_agent_id: data.outboundAgentId,
nickname: data.nickname,
inbound_webhook_url: data.inboundWebhookUrl,
};
const phoneNumber = await retellClient.phoneNumber.create(
createPhoneNumberDto
);
return transformPhoneNumberOutput(phoneNumber);
})
);
server.tool(
"get_phone_number",
"Gets details of a specific phone number",
GetPhoneNumberInputSchema.shape,
createToolHandler(async (data) => {
const phoneNumber = await retellClient.phoneNumber.retrieve(
data.phoneNumber
);
return transformPhoneNumberOutput(phoneNumber);
})
);
server.tool(
"update_phone_number",
"Updates a phone number",
UpdatePhoneNumberInputSchema.shape,
createToolHandler(async (data) => {
const updatePhoneNumberDto = {
inbound_agent_id: data.inboundAgentId,
outbound_agent_id: data.outboundAgentId,
nickname: data.nickname,
inbound_webhook_url: data.inboundWebhookUrl,
};
const phoneNumber = await retellClient.phoneNumber.update(
data.phoneNumber,
updatePhoneNumberDto
);
return transformPhoneNumberOutput(phoneNumber);
})
);
server.tool(
"delete_phone_number",
"Deletes a phone number",
GetPhoneNumberInputSchema.shape,
createToolHandler(async (data) => {
await retellClient.phoneNumber.delete(data.phoneNumber);
return {
success: true,
message: `Phone number ${data.phoneNumber} deleted successfully`,
};
})
);
};
