error-capture.ts•2.63 kB
/**
* Error capture endpoint for debugging Claude Web connections
*/
import { VercelRequest, VercelResponse } from '@vercel/node';
// Store recent requests for debugging
let requestLog: any[] = [];
export default async function handler(req: VercelRequest, res: VercelResponse) {
// CORS headers
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', '*');
res.setHeader('Access-Control-Allow-Headers', '*');
// Capture ALL request details
const requestInfo = {
timestamp: new Date().toISOString(),
method: req.method,
url: req.url,
headers: {
'user-agent': req.headers['user-agent'],
'content-type': req.headers['content-type'],
'origin': req.headers['origin'],
'referer': req.headers['referer'],
'authorization': req.headers['authorization'] ? 'present' : 'none'
},
body: req.body,
query: req.query
};
// Log the request
requestLog.unshift(requestInfo);
requestLog = requestLog.slice(0, 20); // Keep last 20 requests
// Handle OPTIONS
if (req.method === 'OPTIONS') {
return res.status(200).end();
}
// Special endpoint to view logs
if (req.url?.includes('/logs')) {
return res.status(200).json({
message: "Recent requests (last 20)",
requests: requestLog,
claude_web_indicators: requestLog.filter(r =>
r.headers['user-agent']?.includes('Claude') ||
r.headers['origin']?.includes('claude.ai') ||
r.headers['referer']?.includes('claude.ai')
)
});
}
try {
const body = req.body || {};
// Always return a valid MCP response
const response = {
timestamp: new Date().toISOString(),
debug_info: {
received_method: req.method,
received_headers: requestInfo.headers,
body_method: body.method,
is_likely_claude_web:
req.headers['user-agent']?.includes('Claude') ||
req.headers['origin']?.includes('claude.ai')
},
tools: [
{
name: "debug_connection",
description: "Debug connection test",
inputSchema: {
type: "object",
properties: {},
required: []
}
}
]
};
// Force success for debugging
return res.status(200).json(response);
} catch (error) {
// Even errors return 200 for Claude Web compatibility
return res.status(200).json({
captured_error: true,
error_message: error instanceof Error ? error.message : 'Unknown error',
debug_info: requestInfo,
note: "This is a debugging endpoint"
});
}
}