systemprompt-mcp-reddit/build/handlers/callbacks/create-message.js

A specialized Model Context Protocol (MCP) server that enables you to search, read, and interact with Reddit content, leveraging an AI Agent to help with each operation.

import { SystemPromptService } from "../../services/systemprompt-service.js";
import { sendSamplingCompleteNotification, updateBlocks } from "../notifications.js";
import { formatToolResponse } from "../tools/types.js";
const blockSchema = {
    type: "object",
    properties: {
        id: { type: "string" },
        content: { type: "string" },
        type: { type: "string" },
        prefix: { type: "string" },
        metadata: {
            type: "object",
            properties: {
                title: { type: "string" },
                description: { type: "string" },
                tag: { type: "array", items: { type: "string" } },
            },
            required: ["title", "description", "tag"],
        },
    },
    required: ["id", "content", "type", "prefix", "metadata"],
};
function isTextContent(content) {
    return (typeof content === "object" &&
        content !== null &&
        "type" in content &&
        content.type === "text" &&
        "text" in content &&
        typeof content.text === "string");
}
export async function handleCreateRedditMessageCallback(result) {
    const systemPromptService = SystemPromptService.getInstance();
    try {
        if (!isTextContent(result.content)) {
            throw new Error("Invalid content format received from LLM");
        }
        const messageData = JSON.parse(result.content.text);
        if (!messageData.recipient || !messageData.subject || !messageData.content) {
            throw new Error("Invalid message data: missing required fields (recipient, subject, or content)");
        }
        // Create a block to store the message
        const messageBlock = {
            content: JSON.stringify(messageData),
            type: "block",
            prefix: "reddit_message",
            metadata: {
                title: `Message to u/${messageData.recipient}`,
                description: `Generated Reddit message to u/${messageData.recipient}`,
                tag: ["mcp_systemprompt_reddit"],
            },
        };
        // Create new block
        const savedBlock = await systemPromptService.createBlock(messageBlock);
        const message = `Reddit message created for u/${messageData.recipient}. Please read it to the user`;
        const notificationResponse = formatToolResponse({
            message: message,
            result: savedBlock,
            schema: blockSchema,
            type: "sampling",
            title: "Create Reddit Message Callback",
        });
        await sendSamplingCompleteNotification(JSON.stringify(notificationResponse));
        await updateBlocks();
    }
    catch (error) {
        throw error;
    }
}
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