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20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,148 matching servers on stars, growth, downloads and maintenance. Updated .

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"How to use Google Calendar and Gmail effectively" matching MCP servers:

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  • A
    license
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    quality
    A
    maintenance
    Lets AI agents see and control desktop applications through the accessibility layer, enabling clicking, typing, scrolling, dragging, and window/app management across macOS, Windows, and Linux entirely on the local machine.
    2
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    CNN's Fear & Greed index for the US stock market: current score and rating, the seven component indicators, and about a year of daily history. Go standard library only, no API key required.
    2
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    MCP server that enables AI assistants to drive systematic literature review workflows, including screening, downloading, converting, and reviewing papers through natural language conversation.
    28
    AGPL 3.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables AI tools to perform real-time Google Search with grounded answers and inline citations, free with a Google account.
    4
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    A local MCP server that unifies email and calendar management across multiple providers, enabling AI agents to search, read, and write with explicit approval and local-first security.
    1
    Apache 2.0
  • A
    license
    Not graded
    quality
    B
    maintenance
    LLM Optimizer is an AI visibility intelligence platform. It analyzes how large language models and AI search engines perceive, cite, and recommend brands; then provides research-backed optimization strategies to improve that visibility.
    10
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    The Multi DB MCP Server is a high-performance implementation of the Database Model Context Protocol designed to revolutionize how AI agents interact with databases. Currently supporting MySQL and PostgreSQL databases.
    417
    MIT
  • F
    license
    Not graded
    quality
    C
    maintenance
    lunar-mcp is a Go-based MCP server that provides 28+ tools for Chinese traditional calendar, fortune telling, and divination. It enables AI agents to integrate Chinese cultural computations into their workflows.
  • F
    license
    Not graded
    quality
    D
    maintenance
    Provides week and calendar helper tools for converting between dates and ISO weeks, performing week arithmetic, and looking up weekday names.
  • A
    license
    A
    quality
    A
    maintenance
    An MCP front-end for AnB. The tool surface is "use-don't-reveal": no tool returns a plaintext secret. Reveal paths require a TTY the server doesn't have, so the no-reveal guarantee is structural, not prompt-based — it holds even against a prompt-injected agent. Runs as a dedicated, narrowly-scoped AnB identity; exec is default-deny (only allowlist rules tagged scope=mcp run); command output
    5
    1
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    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.
    18
    1
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    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.
    4
    41
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    MCP server for AI-powered web research — search (Google, Brave, Serper, SearXNG), scrape any page, extract PDFs/DOCX/YouTube transcripts, academic & patent search. Single Go binary. Works with Claude, Cursor, Copilot, and any MCP client.
    25
    53
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Decentralized Git with on-chain governance, bounties, and DAOs. Tools for repos, issues, PRs, labels, releases, bounties, and DAO proposals. Auto-wallet on first use, trust tiers, and approval mode for human-in-the-loop.
    57
    3
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Local-first dev memory: indexes Git commits, PRs, Jira/Linear tickets, Confluence docs, Slack threads, and Calendar events into a local SQLite/FTS5/ONNX index, and exposes them as MCP tools so Claude Code, Cursor, and Codex can search and cite your past work.
    17
    4
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    MCP server for patent search and prior art discovery powered by Google Patents public dataset on BigQuery. Supports searching patents, fetching full patent details with CPC codes and citations, and retrieving legal claims text.
    3
    5
    MIT