"Open Collective" matching MCP servers:

Open Claude integration for Ametller Origen's live catalog, online orders, real cart, and optional offline Gmail tickets.

Enables sending emails and listing sent emails with delivery status and open/click counts via the Maillog API.

A Model Context Protocol server for Plunk, the open-source self-hosted email platform. Provides 84 tools for transactional email, contacts, campaigns, segments, templates, workflows, events, and analytics through the Plunk API.

MCP server for Open-Xchange & standards-based mail: email (IMAP/SMTP), Sieve filters, CalDAV calendar, CardDAV contacts, free/busy.

A local-first open-source MCP server that acts as a personal secretary, memory manager, and automation hub—it syncs Calendar, Gmail, Canvas, GitHub, and Health into a typed temporal memory graph, and enables approval-gated write actions like creating events, drafting/sending mail, and filing issues, all with telegram/slack/CLI interfaces and a SQLite-backed audit trail.

Outbound sales agent for Claude Code. MCP server handles prospect list building, dedup, quotas, and structured rejection feedback, while the plugin runs per-prospect research, email writing, Gmail sending, and reply tracking. Open source, self-hostable.

A Model Context Protocol (MCP) server that provides access to the Fastmail API, enabling AI assistants to interact with email, contacts, and calendar data.

An open-source project for a local iCloud Mail MCP integration. Currently provides only contribution and quality foundations, with Apple Mail access and MCP features deferred.

Open-source, self-hosted Inbox-as-a-Service API for AI agents. It enables agents to manage email inboxes, send/receive emails, search messages, and wait for replies via REST or MCP.

An open-source MCP server that provides AI agents with secure access to read, search, and manage emails via Microsoft 365 and Gmail. It features security-first defaults like recipient allowlists and markdown content conversion to facilitate safe agent interaction with mailboxes.

Provides real-time weather forecasts and alerts for Indian metro cities using Open-Meteo, with support for named city queries and email sharing of weather summaries.