Commit Inicial
This commit is contained in:
Generated
Vendored
+141
@@ -0,0 +1,141 @@
|
||||
import { McpServer } from '../../server/mcp.js';
|
||||
import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
|
||||
import * as z from 'zod/v4';
|
||||
import { createMcpExpressApp } from '../../server/express.js';
|
||||
const getServer = () => {
|
||||
// Create an MCP server with implementation details
|
||||
const server = new McpServer({
|
||||
name: 'stateless-streamable-http-server',
|
||||
version: '1.0.0'
|
||||
}, { capabilities: { logging: {} } });
|
||||
// Register a simple prompt
|
||||
server.registerPrompt('greeting-template', {
|
||||
description: 'A simple greeting prompt template',
|
||||
argsSchema: {
|
||||
name: z.string().describe('Name to include in greeting')
|
||||
}
|
||||
}, async ({ name }) => {
|
||||
return {
|
||||
messages: [
|
||||
{
|
||||
role: 'user',
|
||||
content: {
|
||||
type: 'text',
|
||||
text: `Please greet ${name} in a friendly manner.`
|
||||
}
|
||||
}
|
||||
]
|
||||
};
|
||||
});
|
||||
// Register a tool specifically for testing resumability
|
||||
server.registerTool('start-notification-stream', {
|
||||
description: 'Starts sending periodic notifications for testing resumability',
|
||||
inputSchema: {
|
||||
interval: z.number().describe('Interval in milliseconds between notifications').default(100),
|
||||
count: z.number().describe('Number of notifications to send (0 for 100)').default(10)
|
||||
}
|
||||
}, async ({ interval, count }, extra) => {
|
||||
const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
|
||||
let counter = 0;
|
||||
while (count === 0 || counter < count) {
|
||||
counter++;
|
||||
try {
|
||||
await server.sendLoggingMessage({
|
||||
level: 'info',
|
||||
data: `Periodic notification #${counter} at ${new Date().toISOString()}`
|
||||
}, extra.sessionId);
|
||||
}
|
||||
catch (error) {
|
||||
console.error('Error sending notification:', error);
|
||||
}
|
||||
// Wait for the specified interval
|
||||
await sleep(interval);
|
||||
}
|
||||
return {
|
||||
content: [
|
||||
{
|
||||
type: 'text',
|
||||
text: `Started sending periodic notifications every ${interval}ms`
|
||||
}
|
||||
]
|
||||
};
|
||||
});
|
||||
// Create a simple resource at a fixed URI
|
||||
server.registerResource('greeting-resource', 'https://example.com/greetings/default', { mimeType: 'text/plain' }, async () => {
|
||||
return {
|
||||
contents: [
|
||||
{
|
||||
uri: 'https://example.com/greetings/default',
|
||||
text: 'Hello, world!'
|
||||
}
|
||||
]
|
||||
};
|
||||
});
|
||||
return server;
|
||||
};
|
||||
const app = createMcpExpressApp();
|
||||
app.post('/mcp', async (req, res) => {
|
||||
const server = getServer();
|
||||
try {
|
||||
const transport = new StreamableHTTPServerTransport({
|
||||
sessionIdGenerator: undefined
|
||||
});
|
||||
await server.connect(transport);
|
||||
await transport.handleRequest(req, res, req.body);
|
||||
res.on('close', () => {
|
||||
console.log('Request closed');
|
||||
transport.close();
|
||||
server.close();
|
||||
});
|
||||
}
|
||||
catch (error) {
|
||||
console.error('Error handling MCP request:', error);
|
||||
if (!res.headersSent) {
|
||||
res.status(500).json({
|
||||
jsonrpc: '2.0',
|
||||
error: {
|
||||
code: -32603,
|
||||
message: 'Internal server error'
|
||||
},
|
||||
id: null
|
||||
});
|
||||
}
|
||||
}
|
||||
});
|
||||
app.get('/mcp', async (req, res) => {
|
||||
console.log('Received GET MCP request');
|
||||
res.writeHead(405).end(JSON.stringify({
|
||||
jsonrpc: '2.0',
|
||||
error: {
|
||||
code: -32000,
|
||||
message: 'Method not allowed.'
|
||||
},
|
||||
id: null
|
||||
}));
|
||||
});
|
||||
app.delete('/mcp', async (req, res) => {
|
||||
console.log('Received DELETE MCP request');
|
||||
res.writeHead(405).end(JSON.stringify({
|
||||
jsonrpc: '2.0',
|
||||
error: {
|
||||
code: -32000,
|
||||
message: 'Method not allowed.'
|
||||
},
|
||||
id: null
|
||||
}));
|
||||
});
|
||||
// Start the server
|
||||
const PORT = 3000;
|
||||
app.listen(PORT, error => {
|
||||
if (error) {
|
||||
console.error('Failed to start server:', error);
|
||||
process.exit(1);
|
||||
}
|
||||
console.log(`MCP Stateless Streamable HTTP Server listening on port ${PORT}`);
|
||||
});
|
||||
// Handle server shutdown
|
||||
process.on('SIGINT', async () => {
|
||||
console.log('Shutting down server...');
|
||||
process.exit(0);
|
||||
});
|
||||
//# sourceMappingURL=simpleStatelessStreamableHttp.js.map
|
||||
Reference in New Issue
Block a user