"Developing a Bulk Email System" matching MCP servers:

Hosted email MCP server for AI agents. Connect Outlook / Microsoft 365, Gmail or any IMAP/SMTP mailbox (IONOS, STRATO, OVHcloud, one.com, Namecheap, Hostinger, cPanel hosts, Fastmail, iCloud, Yahoo, Zoho) to Claude, ChatGPT, Cursor and any MCP client to read, search, send, organize, schedule and auto-triage email. Several mailboxes on one agent. Mail is fetched live and never stored.

MCP server for SpamTitan email security — manage quarantine, allowlists, blocklists, and view email stats

Provides Claude with real-time access to markets, research, X/Twitter, and crypto data via a unified pay-per-call system with no API keys.

MCP server for Checkpoint Harmony Email & Collaboration (Avanan). Enables AI assistants to manage email security, anti-phishing, anti-malware, and threat detection via the Avanan API.

An MCP server for Abnormal Security, enabling management of threat detection, email security cases, and AI-powered attack protection through Abnormal's API.

Enables MCP clients to manage X/Twitter advertising campaigns, ad groups, audiences, pixels, and creative assets via the Ads API v12, with safety defaults like paused writes and explicit confirmations for spend and deletions.

Enables comprehensive Windows system management through Claude Desktop, including PowerShell/CMD execution, file operations, archive handling, Git tools, network testing, and system monitoring. Provides a complete toolkit for Windows automation and administration tasks.

A legacy MCP server for Avanan cloud email security, providing tools to manage threat detection, email policies, and security incidents through Avanan's API.

MCP server for Proofpoint Email Protection - email security, threat intelligence, TAP (Targeted Attack Protection), and email filtering API integration

Enables policy-safe organic X/Twitter community management through MCP, including posting, threads, replies, inbox/DM handling, media uploads, and engagement actions with confirmation safeguards.

Vacation rental software. A signed stay offer on the host's own domain. Agents discover a host domain, verify an Ed25519-signed offer (VRP), and send the guest to that domain to book and pay the host. Do not compare hosts or prices. HemmaBo + VRP, 6 runtime tools: 2 HemmaBo tools, 2 host onboarding tools, and 2 VRP verification tools. Not an OTA. Not a marketplace.

Local-first crypto portfolio aggregation across exchanges (Bybit, Binance), EVM and Solana wallets, and Polymarket. Read-only credentials, runs as a local MCP server. Data aggregation only, not financial advice.

Provides real, official public holiday data for ~100 countries with tools to list holidays for a year and check if a specific date is a holiday. Free, no API key required, powered by Nager.Date.

A demo MCP server that returns an interactive dashboard (bar chart with dataset selector) as an MCP App via the official MCP Apps extension (SEP-1865).

Provides real-time air quality data (US AQI, PM2.5, PM10, ozone, NO2, SO2, CO) for any city via natural language, using free Open-Meteo data and a single tool.

A personal job-search assistant for Claude Desktop that searches real job boards, scores each job 0–100 for fit, and displays a ranked board for fast triage.

A Model Context Protocol (MCP) server for searching STAC catalogs, downloading satellite bands, and creating composites via 21 tools.

MCP server for the SEC-registered Savvly Longevity Benefit Fund: product info, Savvly-vs-alternative comparisons, eligibility checks, an audience-tagged Q\&A library, and retirement / lump-sum / monthly projections that render inline MCP Apps chart widgets. Hosted remote plus npm/PyPI/NuGet/OCI/MCPB.

Publish Markdown or HTML to a shareable link from your AI assistant, then list, inspect, update or delete your pages. Six tools cover publishing, page management and account usage. Connect through hosted Streamable HTTP with OAuth, or use an API key for headless clients.

Enables AI to send expressive stickers based on conversation context, with a built-in UI for managing stickers.