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MCP Calendar Assistant

Enables AI assistants to manage calendars and tasks through natural language, supporting Google Calendar operations like event creation, availability checking, and smart scheduling. It features schedule analysis, task reminders, and meeting time recommendations to streamline productivity.

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// key findings
⚠️
Known vulnerabilities in dependencies: 2 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
🔐
You'll be asked for 3 credentials: GOOGLE_CLIENT_SECRET, JWT_SECRET, WEBHOOK_SECRET
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies2 high3 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@0.5.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@0.5.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

lowexpress@4.18.2GHSA-qw6h-vgh9-j6wx

express vulnerable to XSS via response.redirect()

lowexpress@4.18.2GHSA-rv95-896h-c2vc

Express.js Open Redirect in malformed URLs

lowzod@3.22.0GHSA-m95q-7qp3-xv42

Zod denial of service vulnerability

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configALERT_WEBHOOK_URL
configBCRYPT_ROUNDS
configCORS_CREDENTIALS
configCORS_ORIGIN
configDATABASE_SSL
configDATABASE_URLPostgreSQL connection string postgresql://localhost:5432/calendar_assistant
configDB_POOL_ACQUIRE_TIMEOUT
configDB_POOL_IDLE_TIMEOUT
configDB_POOL_MAX
configDB_POOL_MIN
configFEATURE_ANALYTICSfalse # Enable usage analytics
configFEATURE_BATCHINGtrue # Enable batch operations
configFEATURE_CACHINGtrue # Enable Redis caching
configFEATURE_MAX_BATCH_SIZE
configFEATURE_MULTI_PROVIDERfalse # Enable multiple calendar providers
configFEATURE_PREFETCHINGtrue # Enable predictive data loading
configGOOGLE_CLIENT_IDGoogle OAuth client ID Required
🔐 secretGOOGLE_CLIENT_SECRETGoogle OAuth client secret Required
configGOOGLE_REDIRECT_URI
configGOOGLE_SCOPES
configHOST
configJWT_EXPIRY
🔐 secretJWT_SECRETSecret for JWT tokens Required
configLOG_CONSOLE_COLORIZE
configLOG_CONSOLE_ENABLED
configLOG_FILE_ENABLED
configLOG_FILE_MAX_FILES
configLOG_FILE_MAX_SIZE
configLOG_FILE_NAME
configLOG_FORMAT
configLOG_LEVEL
configMCP_MAX_TOOL_CALLS
configMCP_SERVER_NAME
configMCP_TIMEOUT
configMCP_VERSION
configPORT
configRATE_LIMIT_MAX_REQUESTS
configRATE_LIMIT_SKIP_SUCCESSFUL
configRATE_LIMIT_WINDOW_MS
configREDIS_TTL_CONTACTS
configREDIS_TTL_EVENTS
configREDIS_TTL_FREE_TIME
configREDIS_TTL_USER_PREFS
configREDIS_URLRedis connection string redis://localhost:6379
configREFRESH_TOKEN_EXPIRY
🔐 secretWEBHOOK_SECRET
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 2 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/momer17-mailmcp-1ilmky)](https://m8ven.ai/mcp/momer17-mailmcp-1ilmky)
commit: 5cfa10c3186d52f8f43d119575006a420396012b
code hash: b21d6ee3b3cbbdad78af5eae5da9058770194be6fddb9fea21289267f744d3c2
verified: 6/17/2026, 12:15:12 PM
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