commit 701e1518a2e7331b160cef2a39d6d170e9a7facc Author: Emanuel Almeida Date: Wed Mar 4 19:59:13 2026 +0000 Initial commit: Multi-tenant memory MCP server - server.js: servidor MCP com suporte multi-tenant - package.json + package-lock.json: Node.js dependencies (vulnerabilidades corrigidas) - .gitignore: Node.js standard (node_modules, .env, logs) - README.txt: documentacao basica diff --git a/.desk-project b/.desk-project new file mode 100644 index 0000000..c63b259 --- /dev/null +++ b/.desk-project @@ -0,0 +1,4 @@ +project=memory-multitenant +description=Multi-tenant memory MCP server +type=mcp-server +language=nodejs diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..7253965 --- /dev/null +++ b/.gitignore @@ -0,0 +1,12 @@ +node_modules/ +dist/ +build/ +.env +.env.* +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* +.DS_Store +.claude-logs/ +coverage/ diff --git a/README.txt b/README.txt new file mode 100644 index 0000000..5a64407 --- /dev/null +++ b/README.txt @@ -0,0 +1,10 @@ +# MCP Memory Multi-tenant + +Desk Task: #1549 +Project: #65 (StackWorkflow) + +URL: https://desk.descomplicar.pt/admin/tasks/view/1549 + +--- +Path: /home/ealmeida/mcp-servers/memory-multitenant +Updated: 2026-02-02 diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..9af2033 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,861 @@ +{ + "name": "memory-multitenant", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "memory-multitenant", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "axios": "^1.11.0", + "cors": "^2.8.5", + "express": "^5.1.0" + } + }, + "node_modules/accepts": { + "version": "2.0.0", + "license": "MIT", + "dependencies": { + "mime-types": "^3.0.0", + "negotiator": "^1.0.0" + }, + "engines": { + "node": ">= 0.6" + } + }, + "node_modules/asynckit": { + "version": "0.4.0", + "resolved": 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+++ b/server.js @@ -0,0 +1,328 @@ +const express = require('express'); +const cors = require('cors'); +const axios = require('axios'); +const fs = require('fs'); +const path = require('path'); + +class MemoryMultiTenantWrapper { + constructor() { + this.app = express(); + this.clients = this.loadClients(); + this.ORIGINAL_SERVICE_URL = process.env.SUPABASE_URL || 'https://descomplicar-supabase.qibspu.easypanel.host'; // Direct Supabase connection + this.setupMiddleware(); + this.setupRoutes(); + } + + loadClients() { + try { + const clientsPath = '/opt/mcp-servers/shared/clients.json'; + if (fs.existsSync(clientsPath)) { + return JSON.parse(fs.readFileSync(clientsPath, 'utf8')); + } + } catch (error) { + console.error('Error loading clients:', error); + } + return { + 'default-client': { + name: 'Default Client', + token: 'default-token-2025', + created: new Date().toISOString(), + disabled: false, + config: {} + } + }; + } + + setupMiddleware() { + this.app.use(cors()); + this.app.use(express.json({ limit: '10mb' })); + + // Logging middleware + this.app.use((req, res, next) => { + // console.log(`${new Date().toISOString()} ${req.method} ${req.path} - Client: ${req.headers['x-client-id'] || 'none'}`); + next(); + }); + } + + setupRoutes() { + // Health check + this.app.get('/health', (req, res) => { + res.json({ + status: 'healthy', + service: 'memory-mcp-multitenant', + mode: 'multi-tenant', + version: '1.0.0', + timestamp: new Date().toISOString(), + clients: Object.keys(this.clients).length + }); + }); + + // Client info endpoint + this.app.get('/client/info', this.authenticateClient.bind(this), (req, res) => { + const { clientId } = req; + res.json({ + clientId, + service: 'memory-mcp-multitenant', + allowedTools: 'memory_search,memory_save,memory_get,memory_delete', + rateLimit: { + perMinute: '60', + perHour: '1000', + perDay: '10000' + } + }); + }); + + // Memory operations with client isolation + this.app.post('/client/memory/save', this.authenticateClient.bind(this), async (req, res) => { + try { + const { clientId } = req; + const { content, metadata = {} } = req.body; + + // Add client isolation to metadata + const clientMetadata = { + ...metadata, + clientId, + tenant: clientId, + created: new Date().toISOString() + }; + + // Forward to original memory service with client context + const response = await this.forwardToMemoryService('POST', '/memory/save', { + content, + metadata: clientMetadata + }); + + res.json({ success: true, data: response.data }); + } catch (error) { + console.error('Memory save error:', error); + res.status(500).json({ error: error.message }); + } + }); + + this.app.post('/client/memory/search', this.authenticateClient.bind(this), async (req, res) => { + try { + const { clientId } = req; + const { query, limit = 10 } = req.body; + + // Search only within client's memories + const response = await this.forwardToMemoryService('POST', '/memory/search', { + query, + limit, + filter: { clientId } // Client isolation filter + }); + + res.json({ success: true, data: response.data }); + } catch (error) { + console.error('Memory search error:', error); + res.status(500).json({ error: error.message }); + } + }); + + this.app.get('/client/memory/:id', this.authenticateClient.bind(this), async (req, res) => { + try { + const { clientId } = req; + const { id } = req.params; + + const response = await this.forwardToMemoryService('GET', `/memory/${id}`, null, { + clientId // Verify ownership + }); + + if (response.data && response.data.metadata?.clientId === clientId) { + res.json({ success: true, data: response.data }); + } else { + res.status(404).json({ error: 'Memory not found or access denied' }); + } + } catch (error) { + console.error('Memory get error:', error); + res.status(500).json({ error: error.message }); + } + }); + + this.app.delete('/client/memory/:id', this.authenticateClient.bind(this), async (req, res) => { + try { + const { clientId } = req; + const { id } = req.params; + + // Verify ownership before deletion + const getResponse = await this.forwardToMemoryService('GET', `/memory/${id}`); + if (getResponse.data?.metadata?.clientId !== clientId) { + return res.status(403).json({ error: 'Access denied' }); + } + + const response = await this.forwardToMemoryService('DELETE', `/memory/${id}`); + res.json({ success: true, data: response.data }); + } catch (error) { + console.error('Memory delete error:', error); + res.status(500).json({ error: error.message }); + } + }); + + this.app.get('/client/memory', this.authenticateClient.bind(this), async (req, res) => { + try { + const { clientId } = req; + const { limit = 50, offset = 0 } = req.query; + + const response = await this.forwardToMemoryService('GET', '/memory', null, { + limit: parseInt(limit), + offset: parseInt(offset), + filter: { clientId } // Client isolation + }); + + res.json({ success: true, data: response.data }); + } catch (error) { + console.error('Memory list error:', error); + res.status(500).json({ error: error.message }); + } + }); + + // SSE endpoint for MCP communication + this.app.get('/sse', this.authenticateClient.bind(this), (req, res) => { + res.writeHead(200, { + 'Content-Type': 'text/event-stream', + 'Cache-Control': 'no-cache', + 'Connection': 'keep-alive', + 'Access-Control-Allow-Origin': '*' + }); + + const { clientId } = req; + res.write(`data: ${JSON.stringify({ + type: 'connected', + clientId, + service: 'memory-mcp-multitenant', + timestamp: new Date().toISOString() + })}\n\n`); + + // Keep connection alive + const keepAlive = setInterval(() => { + res.write(`data: ${JSON.stringify({ + type: 'ping', + timestamp: new Date().toISOString() + })}\n\n`); + }, 30000); + + req.on('close', () => { + clearInterval(keepAlive); + // console.log(`Client ${clientId} disconnected from memory SSE`); + }); + }); + + // Admin endpoints + this.app.get('/admin/clients', this.authenticateAdmin.bind(this), (req, res) => { + const clientStats = Object.entries(this.clients).map(([id, client]) => ({ + id, + name: client.name, + created: client.created, + disabled: client.disabled, + memoryCount: 0 // TODO: Get actual count from memory service + })); + res.json({ clients: clientStats }); + }); + + this.app.post('/admin/clients', this.authenticateAdmin.bind(this), (req, res) => { + const { clientId, clientName, email } = req.body; + if (!clientId || !clientName) { + return res.status(400).json({ error: 'Missing required fields: clientId, clientName' }); + } + + const apiKey = `sk-${clientId}-${crypto.randomBytes(32).toString('hex')}`; + this.clients[clientId] = { + name: clientName, + email: email || '', + token: apiKey, + created: new Date().toISOString(), + disabled: false, + config: {} + }; + + this.saveClients(); + res.json({ + success: true, + client: { + clientId, + apiKey, + clientName, + email + }, + endpoints: { + sse: `https://mcp-hub.descomplicar.pt/mcp/memory/sse`, + info: `https://mcp-hub.descomplicar.pt/mcp/memory/client/info` + } + }); + }); + } + + async forwardToMemoryService(method, path, data = null, params = null) { + const config = { + method: method.toLowerCase(), + url: `${this.ORIGINAL_SERVICE_URL}${path}`, + headers: { + 'Content-Type': 'application/json' + }, + timeout: 10000 + }; + + if (data) { + config.data = data; + } + + if (params) { + config.params = params; + } + + return await axios(config); + } + + authenticateClient(req, res, next) { + const token = req.headers.authorization?.replace('Bearer ', ''); + const clientId = req.headers['x-client-id']; + + if (!token || !clientId) { + return res.status(401).json({ error: 'Missing authentication headers' }); + } + + const client = this.clients[clientId]; + if (!client || client.token !== token || client.disabled) { + return res.status(401).json({ error: 'Invalid authentication' }); + } + + req.clientId = clientId; + req.client = client; + next(); + } + + authenticateAdmin(req, res, next) { + const adminKey = req.headers['x-admin-key']; + if (adminKey !== (process.env.ADMIN_KEY || 'admin-key-2025')) { + return res.status(401).json({ error: 'Invalid admin credentials' }); + } + next(); + } + + saveClients() { + try { + const clientsPath = '/opt/mcp-servers/shared/clients.json'; + const dir = path.dirname(clientsPath); + if (!fs.existsSync(dir)) { + fs.mkdirSync(dir, { recursive: true }); + } + fs.writeFileSync(clientsPath, JSON.stringify(this.clients, null, 2)); + } catch (error) { + console.error('Error saving clients:', error); + } + } + + start(port = 3002) { + this.app.listen(port, '0.0.0.0', () => { + // console.log(`🧠 Memory MCP Multi-Tenant Wrapper running on port ${port}`); + // console.log(`📋 Service: memory-mcp-multitenant`); + // console.log(`🔗 Health: http://mcp-hub.descomplicar.pt:${port}/health`); + // console.log(`🔐 SSE: http://mcp-hub.descomplicar.pt:${port}/sse (requires auth)`); + // console.log(`⚙️ Admin: http://mcp-hub.descomplicar.pt:${port}/admin/clients`); + // console.log(`🎯 Proxying to: ${this.ORIGINAL_SERVICE_URL}`); + }); + } +} + +// Start the wrapper +const wrapper = new MemoryMultiTenantWrapper(); +wrapper.start(process.env.PORT || 3002); \ No newline at end of file