chess-mcp/build/chess-image-service.js

Chess MCP server with position evaluation, move validation, and masters database

import { Chess } from 'chess.js';
import ChessImageGenerator from 'chess-fen2img';
export class ChessImageService {
    async generateImage(fen, options = {}) {
        try {
            // Validate FEN
            const chess = new Chess(fen);
            if (!chess.validate_fen(fen).valid) {
                throw new Error('Invalid FEN position');
            }
            // Generate image
            const generator = new ChessImageGenerator({
                size: options.size || 640,
                dark: options.dark || '#B58863',
                light: options.light || '#F0D9B5',
                flipped: options.flip || fen.split(' ')[1] === 'b'
            });
            try {
                await generator.loadFEN(fen);
                return await generator.generateBuffer();
            }
            catch (err) {
                console.error('Error generating chess board image:', err);
                throw new Error('Failed to generate chess board image');
            }
        }
        catch (error) {
            if (error instanceof Error) {
                throw error;
            }
            throw new Error('Unknown error generating chess board image');
        }
    }
}
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