pixellab-mcp/dist/utils.js

MCP server for PixelLab pixel art generation and manipulation. Usage: pixellab-mcp --secret=your-key

// Simple conversion utilities - no duplication of business logic
export function toMcpResponse(description, image, metadata) {
    const content = [
        { type: "text", text: description },
        { type: "image", data: image.dataUrl, mimeType: "image/png" },
    ];
    if (metadata) {
        content.push({ type: "text", text: JSON.stringify(metadata, null, 2) });
    }
    return { content };
}
export function toMcpError(error) {
    let errorMessage;
    if (error instanceof Error) {
        errorMessage = error.message;
    }
    else if (typeof error === "string") {
        errorMessage = error;
    }
    else if (typeof error === "object" && error !== null) {
        try {
            // Try to stringify the object for better error reporting
            errorMessage = JSON.stringify(error, null, 2);
        }
        catch {
            // If JSON.stringify fails, fall back to a descriptive message
            errorMessage = `Object error: ${Object.prototype.toString.call(error)}`;
        }
    }
    else {
        errorMessage = `Unknown error: ${String(error)}`;
    }
    return {
        content: [
            {
                type: "text",
                text: `Error: ${errorMessage}`,
            },
        ],
        isError: true,
    };
}
// For comparison views (before/after images)
export function toMcpComparison(description, beforeImage, afterImage, metadata) {
    const content = [
        { type: "text", text: description },
        { type: "text", text: "Before:" },
        { type: "image", data: beforeImage.dataUrl, mimeType: "image/png" },
        { type: "text", text: "After:" },
        { type: "image", data: afterImage.dataUrl, mimeType: "image/png" },
    ];
    if (metadata) {
        content.push({ type: "text", text: JSON.stringify(metadata, null, 2) });
    }
    return { content };
}