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Health Check for SSE and Host ENV Configurable #75

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17 changes: 12 additions & 5 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1505,6 +1505,10 @@ async function runSSELocalServer() {
let transport: SSEServerTransport | null = null;
const app = express();

app.get('/health', (req, res) => {
res.status(200).send('OK');
});

app.get('/sse', async (req, res) => {
transport = new SSEServerTransport(`/messages`, res);
res.on('close', () => {
Expand All @@ -1521,13 +1525,15 @@ async function runSSELocalServer() {
}
});

const PORT = process.env.PORT || 3000;
const PORT = parseInt(process.env.PORT || "3000", 10);
const HOST = process.env.HOST || 'localhost';
console.log('Starting server on port', PORT);
console.log('Starting server on host', HOST)
try {
app.listen(PORT, () => {
console.log(`MCP SSE Server listening on http://localhost:${PORT}`);
console.log(`SSE endpoint: http://localhost:${PORT}/sse`);
console.log(`Message endpoint: http://localhost:${PORT}/messages`);
app.listen(PORT, HOST, () => {
console.log(`MCP SSE Server listening on http://${HOST}:${PORT}`);
console.log(`SSE endpoint: http://${HOST}:${PORT}/sse`);
console.log(`Message endpoint: http://${HOST}:${PORT}/messages`);
});
} catch (error) {
console.error('Error starting server:', error);
Expand Down Expand Up @@ -1614,3 +1620,4 @@ if (process.env.CLOUD_SERVICE === 'true') {
process.exit(1);
});
}