server.ts•3.34 kB
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
import { config } from 'dotenv';
import { startClipboardListener, uploadCurrentClipboardImage } from './daemon.js';
import logger from './utils/logger.js';
import { registerGlobalErrorHandlers } from './utils/error-handler.js';
import { cleanupOldFiles } from './utils/cleanup.js';
// Load environment variables
config();
// Register global error handlers
registerGlobalErrorHandlers();
// Start the clipboard listener
try {
startClipboardListener();
} catch (error) {
logger.error(`Failed to start clipboard listener: ${error instanceof Error ? error.message : 'Unknown error'}`);
process.exit(1);
}
// Initialize MCP server with metadata
const server = new McpServer({
name: "clipboard-helper",
version: "0.1.0"
});
// Register the upload_clipboard_image tool
server.tool(
"upload_clipboard_image",
{}, // empty object for no parameters
async () => {
try {
const url = await uploadCurrentClipboardImage();
logger.info(`MCP tool called: upload_clipboard_image → ${url}`);
return {
content: [
{ type: "text", text: url }
]
};
} catch (error) {
const errorMessage = `Error uploading clipboard image: ${error instanceof Error ? error.message : 'Unknown error'}`;
logger.error(errorMessage);
return {
content: [
{ type: "text", text: `Error: Failed to upload image` }
]
};
}
}
);
// Register the cleanup_old_files tool
server.tool(
"cleanup_old_files",
{
type: "object",
properties: {
days: {
type: "integer",
description: "Number of days to keep files"
}
}
},
async ({ days }) => {
try {
// Use the configured retention period if no days parameter provided
const retentionDays = days || parseInt(process.env.RETENTION_DAYS || '30', 10);
logger.info(`MCP tool called: cleanup_old_files with retention period of ${retentionDays} days`);
const result = await cleanupOldFiles(retentionDays);
return {
content: [
{
type: "text",
text: `Cleanup completed: Deleted ${result.success} files older than ${retentionDays} days. Failed: ${result.errors}.`
}
]
};
} catch (error) {
const errorMessage = `Error cleaning up old files: ${error instanceof Error ? error.message : 'Unknown error'}`;
logger.error(errorMessage);
return {
content: [
{ type: "text", text: `Error: Failed to cleanup old files` }
]
};
}
}
);
// Start the MCP server with StdioServerTransport
const transport = new StdioServerTransport();
// Connect the server to the transport
(async () => {
try {
await server.connect(transport);
logger.info(`MCP Clipboard Helper ready (stdio)`);
} catch (error) {
logger.error(`Failed to start MCP server: ${error instanceof Error ? error.message : 'Unknown error'}`);
process.exit(1);
}
})();
// Handle graceful shutdown
process.on('SIGINT', () => {
logger.info('Shutting down MCP server...');
process.exit(0);
});
process.on('SIGTERM', () => {
logger.info('Shutting down MCP server...');
process.exit(0);
});