Summary
You'd reach for this when you need Claude to handle calendar operations without the uncertainty of natural language date parsing. It exposes 12 deterministic tools for temporal reasoning, letting Claude check availability windows, calculate scheduling constraints, and handle booking logic with precision. Think of it as a temporal calculator that gives Claude the ability to reason about "next Tuesday at 2pm" or "find three available slots in the next two weeks" with actual date math instead of fuzzy interpretation. The deterministic approach means you get consistent results for scheduling operations, which matters when you're building appointment systems or workflow automation that can't afford ambiguity about when things should happen.
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Fastest browser for AI agents to run web automation tasks, always free.
Download Free life-time →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →Configuration
GOOGLE_CLIENT_IDGoogle OAuth Client ID (required for Google Calendar)
GOOGLE_CLIENT_SECRETsecretGoogle OAuth Client Secret (required if using Google Calendar)
GOOGLE_OAUTH_CREDENTIALSPath to Google OAuth JSON credentials file (alternative to CLIENT_ID + SECRET)
MICROSOFT_CLIENT_IDAzure AD app ID (required for Outlook Calendar)
MICROSOFT_CLIENT_SECRETsecretAzure AD client secret (required for Outlook Calendar)
TIMEZONEIANA timezone override (e.g., America/New_York). Overrides stored config and OS detection.
WEEK_STARTdefault: mondayWeek start day: 'monday' (default, ISO 8601) or 'sunday'. Overrides stored config.
TENANT_IDUUID for tenant isolation (auto-generated if not set)
LOCK_TTL_SECSdefault: 30Lock time-to-live in seconds for booking safety
OAUTH_REDIRECT_PORTdefault: 8085Port for the local OAuth callback server
HTTP_PORTPort for HTTP transport. When set, enables streamable HTTP mode instead of stdio.
HTTP_HOSTdefault: 127.0.0.1Bind address for HTTP transport (default: 127.0.0.1)
ALLOWED_ORIGINSComma-separated allowed Origin headers for HTTP mode. Cross-origin requests rejected if unset.
TEMPORAL_CORTEX_TELEMETRYOverride telemetry consent: 'off' to disable, 'on' to enable anonymous usage analytics.
REDIS_URLSComma-separated Redis URLs. When set, activates Platform Mode with distributed locking.
Registryactive
Package@temporal-cortex/cortex-mcp
TransportSTDIO
AuthRequired
UpdatedFeb 26, 2026
