"file system" matching MCP servers:

Enables uploading local files to Slack with a message, supporting channels, DMs, threads, and file titles.

A Model Context Protocol server providing file search and question tools for AI models. Enables keyword search in files with line numbers and integration with external chat services.

Connects Claude Code instances to a clawborrator hub via WebSocket, enabling cross-session communication, file exchange, and agent dispatch.

Enables peer-to-peer asynchronous conversation between Claude.ai and Claude Code instances via a shared file-based notebook, allowing them to leave messages, start threads, and organize by project.

Exposes Poi's external APIs (file upload/download, commenting, license key issuance) as MCP tools for use with LLM clients like Claude.

Enables MCP hosts to bridge with QQ via NapCat/OneBot 11, allowing whitelisted private messages to reach an agent with full tool access while group mentions are answered by a sandboxed pure LLM without system access.

An MCP server that connects Claude to a 3CX Phone System (V20+), enabling user management, call monitoring, contact search, and forwarding configuration.

Enables AI assistants to interact with Apple Mail through natural language, providing comprehensive email management including reading, searching, composing, organizing, and analyzing emails across all configured accounts. Includes an expert skill system that teaches intelligent email workflows and productivity strategies.

MCP server for inter-agent mailbox communication using file-based mailboxes in .claude directories.

A server that enables users to chat with each other by repurposing the Model Context Protocol (MCP), designed for AI tool calls, into a human-to-human communication system.

Security-first SendGrid MCP server: two-phase sends, dry-run by default, recipient allowlists, rate limits, audit log, no BCC. One auditable file.

Automatically transcribes Google Chat voice messages using Groq Whisper API, and also supports local audio file transcription.

Enables interaction with RingCentral phone system data, including account info, extensions, presence, call queues, contacts, and call logs/recordings, through MCP tools.

An MCP server and CLI for Ed Discussion that gives LLMs access to threads, comments, attendance, moderation, file uploads, and instant local search through 43 tools.

Lets separate coding-agent sessions coordinate through a shared, role-addressed mailbox instead of a human relaying every message, over a single local SQLite file or a hosted server with many isolated channels. Messages can be sent as tracked obligations that stay open until one side resolves and the other confirms, alongside threads, full-text search, work statuses, and an append-only versioned pin system where protected changes require recorded agreement from every declared role.

An email operating system for AI agents that provides safe triage, drafting, and searching of emails with unbypassable hard-stops on money, banking changes, first-contact senders, and prompt injection.

Enables agents and applications to send notifications through configurable channels such as Telegram or a JSONL file, with queued delivery, status tracking, idempotency, and event-based routing.

MCP server that connects Claude to Edupage, a school information system used across Europe. Provides access to timetables, grades, homework, messages, students, teachers, and more.

Allows AI agents to query and manage asynchronous jobs in the Agent Jobs system of the AI Connect platform, supporting operations like listing, creating, and canceling jobs.

Exposes the Telegram Bot API as tools for Claude Code or any MCP client, enabling message sending, chat management, file handling, and bot information retrieval.