| 27 | }; |
| 28 | |
| 29 | export default async function handler(req: any, res: any) { |
| 30 | // Enable CORS |
| 31 | res.setHeader("Access-Control-Allow-Origin", "*"); |
| 32 | res.setHeader("Access-Control-Allow-Methods", "POST, OPTIONS"); |
| 33 | res.setHeader("Access-Control-Allow-Headers", "Content-Type"); |
| 34 | |
| 35 | if (req.method === "OPTIONS") { |
| 36 | return res.status(200).end(); |
| 37 | } |
| 38 | |
| 39 | if (req.method !== "POST") { |
| 40 | res.setHeader("Allow", "POST"); |
| 41 | return res.status(405).json({ error: `Method ${req.method} not allowed` }); |
| 42 | } |
| 43 | |
| 44 | const message = req.body; |
| 45 | if (!message || typeof message !== "object") { |
| 46 | return res.status(400).json({ error: "Invalid JSON-RPC request." }); |
| 47 | } |
| 48 | |
| 49 | const { jsonrpc, method, id, params } = message; |
| 50 | |
| 51 | if (jsonrpc !== "2.0") { |
| 52 | return res.status(400).json({ |
| 53 | jsonrpc: "2.0", |
| 54 | id: id || null, |
| 55 | error: { code: -32600, message: "Invalid Request: expected jsonrpc: '2.0'" } |
| 56 | }); |
| 57 | } |
| 58 | |
| 59 | const supabaseUrl = process.env.VITE_SUPABASE_URL || process.env.SUPABASE_URL; |
| 60 | const supabaseAnonKey = process.env.VITE_SUPABASE_ANON_KEY || process.env.SUPABASE_ANON_KEY; |
| 61 | |
| 62 | if (!supabaseUrl || !supabaseAnonKey) { |
| 63 | return res.status(200).json({ |
| 64 | jsonrpc: "2.0", |
| 65 | id, |
| 66 | error: { code: -32000, message: "Server configuration error: Supabase credentials are missing on Vercel." } |
| 67 | }); |
| 68 | } |
| 69 | |
| 70 | const supabase = createClient(supabaseUrl, supabaseAnonKey); |
| 71 | |
| 72 | try { |
| 73 | switch (method) { |
| 74 | case "initialize": { |
| 75 | return res.status(200).json({ |
| 76 | jsonrpc: "2.0", |
| 77 | id, |
| 78 | result: { |
| 79 | protocolVersion: "2024-11-05", |
| 80 | capabilities: { |
| 81 | tools: {} |
| 82 | }, |
| 83 | serverInfo: { |
| 84 | name: "CodeGraphContext-Dynamic-MCP", |
| 85 | version: "1.0.0" |
| 86 | } |