"Reverse engineering or reverse direction search" matching MCP servers:

Computes fixed divination and astronomy facts for any moment — Liu Ren charts, Qimen Dunjia layouts, symbolic stem-branch directions, and the real geometric position of the Big Dipper at a given latitude/longitude — alongside multiple named birth profiles. It also assembles day-by-day candidate windows for a chosen purpose across a 1–7 day range or a full calendar year, accumulating model-filled verdicts into an offline, month-switchable HTML calendar with a local browser preview.

when2meet-style scheduling polls — self-hostable, reverse-proxy-auth friendly, agent-first API (OpenAPI + llms.txt + MCP).

MCP server for a self-hostable personal planner — exposes memo, todo, calendar event, and cross-resource full-text search tools so Claude, Cursor, or any MCP client can manage your schedule and notes in natural language.

Provides Japanese business day calculations: add or subtract business days, count between dates, check whether a date is a business day, and reverse-calculate deadlines. Handles national holidays and year-end periods fully offline with no API keys required.

Enables Claude to connect unlimited Gmail and IMAP mailboxes, search and triage them together while identifying each account, read attachments, and create drafts or perform permitted mailbox actions under configurable safety modes.

Enables interaction with Outlook Web through its internal API, supporting email search, folder listing, email retrieval, read state changes, calendar events, and reply drafts without Microsoft Graph or COM.

Enables local automation of classic Outlook for Windows via COM, allowing email search, folder listing, calendar leave block creation, and contact/recipient management without needing cloud APIs or admin approval.

A read-only MCP server that exposes a published iCalendar feed as calendar-query tools, enabling users to list events, view today/upcoming schedules, search events, and inspect feed info without OAuth or admin consent. Recurring events are expanded into individual occurrences on query.

Enables MCP clients to search availability, read services, resources, bookings and customers, and, when writes are enabled, reserve slots, create or cancel bookings, and add or update customers.

Enables users to calculate BaZi/Four Pillars charts, reverse-lookup birth dates from a BaZi string, retrieve almanac details and auspicious activities, and compute Yuan Tiangang bone weight fortunes. It provides these traditional metaphysics calculations as MCP-accessible tools with bilingual descriptions.

Exposes a single typed tool that lets coding agents explore London and San Francisco Agent Engineering events, speakers, agendas, tickets and recordings, search a 456-listing tool/model directory, and export UTC calendar plans — all from a bundled catalogue with zero server-side model calls by default.

Enables agents to capture, shape, schedule, search, and retire tasks, deadlines, calendar events, and recurring commitments through twelve intent-shaped tools backed by a single unified SQLite model. Every call returns structured, discriminated results with next-step hints instead of thrown exceptions or ambiguous prose.

Mu is an MCP server and web app that provides agents and humans access to real-world services like news, web search, mail, markets, weather, video, places, images, files, calendar, and contacts. It offers a wide range of tools and can be self-hosted or used live at micro.mu.

Enables read-only access to an explicit set of pre-configured CalDAV calendars, letting an agent list configured calendars, search and list events across a bounded time range or by text query, and fetch individual events by UID without any write capability.

MCP server to interact with Google Gmail and Calendar APIs. Supports multiple accounts, email search and drafting, and calendar event management.

MCP server for Microsoft Teams that lets AI assistants search, message, and manage chats, meetings, files, and contacts using your existing Teams browser login—no app approval or Azure AD registration needed.

Enables accurate calculation of Korean public holidays, substitute holidays, and business days, with tools to check dates, list holidays, and compute working-day intervals. It works as a public MCP connector requiring no authentication or API keys.

Enables LLMs to create, retrieve, update, soft-delete, complete, list, and search schedules via MCP tools.

Enables AI assistants to interact with a Nextcloud instance through its APIs, covering notes, calendars, contacts, files, decks, recipes, tables, shares, news, mail, collectives, talk, and shopping lists with full CRUD operations. Supports semantic search, document processing/OCR, and multi-user authentication via app passwords or Login Flow v2.

MCP server for managing Zoom meetings, enabling creation, update, deletion, and retrieval via Claude or Cursor.

Enables Claude Desktop to search and read emails, calendars, attachments, and free/busy data in classic Outlook via COM, and to create email drafts or open prefilled meeting invitations without sending anything.

Enables AI assistants to read, search, send, and organize email, manage contacts, and work with calendar events through Fastmail's JMAP, CalDAV, and WebDAV APIs, including attachments, bulk operations, and mailbox/label handling. It is a community project that is not affiliated with or endorsed by Fastmail.

Gives AI clients controlled access to one or more Microsoft Exchange mailboxes over EWS to read, search, file, flag, send, and manage inbox rules and calendars. Multiple mailboxes are served from one endpoint with per-account read-only, send, and calendar-write gates that default to closed.

Enables Google Calendar to act as a Leo calendar provider over MCP, syncing users' calendars and events into Leo's calendar, agenda, and search without requiring its own database or OAuth app.

Connects AI assistants to Apple Mail, Calendar, and Contacts on a Mac, enabling local search, message reading, contact lookup, and optionally sending email or creating calendar events with guarded confirmation.

Lets AI assistants create and manage real alarms that ring on a phone or laptop — at a set time, when a token's price moves, when an account posts or goes live, when a trader or wallet trades, before an event, or when a private webhook is called — with control over sounds, wallpapers, media, and shared friends' alarms.

Enables AI assistants to read, search, send, manage, schedule, and analyze messages across multiple IMAP/SMTP accounts, including real-time inbox watching, verification-code capture, calendar extraction, and analytics. Exposes 52 tools, 7 prompts, and 6 resources over stdio or Streamable HTTP.

Enables fuzzy search, creation, and management of Apple Reminders via CLI or MCP tools.

Enables local management of Jeero subscriptions and event data, synchronizing with Mother and caching events in SQLite without requiring WordPress or a hosted MCP service.

Connects AI assistants to CalDAV servers so they can list calendars, browse events within a timeframe, and create, update, delete, or complete events and tasks (VTODOs) through natural language. Supports recurring events, all-day entries, and todo filtering by status or due date with pagination.