"How to modify local files" matching MCP servers:

Local-first Microsoft Outlook MCP server: a single Go binary that manages calendar events and mail through the Microsoft Graph API over stdio, with tokens stored in the OS keychain and no Entra ID app registration required. Exposes four aggregate tools (calendar, mail, account, system) dispatched by an operation verb, with multi-account support and read-only and mail-gating modes.

Enables Windows users to search and retrieve Outlook calendar appointments, tasks, and mail, as well as local/OneDrive files via Windows Search and OneNote pages, with additional OneNote page creation and update capabilities, all through MCP over stdio.

Enables AI assistants to work with local .ics calendar files over MCP, including agenda and search, free-time and conflict detection, DST-correct recurrence, and byte-preserving safe edits without accounts or network access.

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.

Provides org-capture and org-agenda style workflows for managing tasks, notes, and events stored in plain-text .org files on local disk.

Enables reading Gmail messages and managing drafts without sending, managing Calendar events, and searching, downloading, uploading, or updating Drive files for a personal account through local OAuth-backed tools.

Enables AI clients to check status, read non-secret settings, schedules, and subject rules, and—when explicitly allowed—update settings and existing subject rules. It also supports local diagnostic workflows while excluding passwords, credentials, arbitrary SQL, files, and shell commands.

Enables local AI agents to search and read iCloud Mail, draft and send reviewed replies, and manage calendar events via a local MCP connection.

Gives time-blind LLMs and agent frameworks a real clock: current time and timezone, elapsed task duration, countdowns to deadlines, timezone conversion, session heartbeats, cron-style due checks, and session-level timers. This lets locally hosted or self-built models stop hallucinating the time and actually perceive how long a task or conversation has been running.

Lets Claude, ChatGPT and other MCP clients read a Bookwhen account's public booking data, including events (classes, courses, workshops), ticket types with availability and cost, locations, class passes, leaders and attachments. It is read-only, so it can never modify data or expose attendee or booking records.

Enables AI assistants to load, query, and manage iCalendar files with full CRUD operations and support for multiple calendars.

Connects MCP-compatible AI clients to a university Moodle campus locally so users can query courses, assignments, materials, grades, forums, and calendar events, including reading attachments and PDFs. It is a read-only beta that does not modify the campus or store passwords.

Student-focused Canvas LMS MCP server with 209 tools: what-if grades, the score you need on the final, deadlines and missing work across every course, submissions with confirm-before-send, discussions and inbox. Runs locally with npx, nothing exposed to the internet.

Lightweight MCP server that enables AI agents to manage Microsoft Outlook email, calendar, and files using PKCE authentication with only a Client ID.

Exposes Korean-language utility tools to AI agents over a stdio MCP server, covering Hangul initial-consonant (chosung) extraction, conversion of integers into Korean currency words, lookup of Korean public holidays, and business-day checks for a given date.

An MCP server for managing Proton Mail, Pass, Drive, and Calendar through local IMAP/SMTP, pass-cli, and Proton Drive CLI, enabling AI agents to operate the mailbox, manage passwords, sync files, and classify emails.

MCP server for the Stashcat messenger API. Enables AI assistants to read and send messages, manage channels, conversations, files, polls, and more.

Forked from https://github.com/epaproditus/google-workspace-mcp-server The deletion and updates on Google Calendar were removed since there were no scope to prevent deletion whilst maintaining creation capabilities.

A Model Context Protocol server that allows users to interact with their CalDAV, CardDAV, and WebDAV services (calendars, contacts, and files) from Fastmail and Apple iCloud accounts.

MCP servers for your Mac's real data — Mail, Calendar, files — with safety rails you can audit. Local-first, no accounts, no cloud, with dry-run defaults and human approval gates.

One secure, self-hosted MCP endpoint connecting AI agents to your real accounts (mail, calendar, files, notes), with per-profile separation, explicit permission enforcement, and an append-only audit log.

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 LLM agents to read and write Nextcloud files, notes, calendars, tasks, contacts, and Talk messages through a secure authenticated MCP endpoint.

A curated MCP server that connects your Nextcloud (files, calendar, notes, deck, contacts) to AI assistants.

Enables AI clients to interact with Google services (Gmail, Calendar, Drive, Tasks, YouTube, Contacts) via OAuth-authenticated Cloudflare Workers, allowing actions like sending emails, managing events, and searching files.

This server provides a Model Context Protocol interface for a local task management service. It enables AI assistants to manage tasks, organize projects, and view daily schedules through a robust set of provided tools.

A local MCP server that lets a client work with several Google accounts through a single connection, with every tool taking an account email so it can search Gmail and read threads, search and read Drive files, and list or create Calendar events on that account's behalf. It authorizes each account via OAuth, refreshes access tokens automatically, and stores the credentials encrypted at rest.

Enables Claude to work across several Google accounts at once, searching every Gmail inbox, reading and drafting email, browsing Drive, and checking or scheduling across multiple Calendars in a single conversation. It supports tags for grouping accounts and cross-account tasks, and only creates drafts, files, and events rather than sending anything without you.

Enables reading, searching, organizing, archiving, and drafting email and calendar events in a locally running classic desktop Outlook via COM, with attachment saving and safety boundaries that prevent sending or deleting mail.

Enables read-only access to the local Apple Calendar on macOS through an MCP client, allowing retrieval of today's events, events for a specific date, or events in a date range. It supports optional calendar filtering and keeps calendar data local.