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20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,412 matching servers on stars, growth, downloads and maintenance. Updated .

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  • F
    license
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    quality
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    maintenance
    An MCP server that exposes Backblaze B2 Cloud Storage as tools any MCP-compatible AI client can call. Manage B2 by talking to an assistant -- list buckets, upload, download, delete versions, and check usage against a budget.
    9
    1
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  • F
    license
    A
    quality
    D
    maintenance
    An MCP server that wraps the rustypaste API, allowing users to upload text, files, and URLs to a rustypaste instance. It supports features such as single-use links, file expiration, and URL shortening.
    7
    18 npm
    -
  • F
    license
    A
    quality
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    maintenance
    Local stdio MCP server enabling Claude to send Gmail, search emails with attachment metadata, and download attachments to Google Drive.
    2
    3
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  • A
    license
    A
    quality
    D
    maintenance
    An MCP server for managing Shelv shelf operations, enabling users to list, search, and read files within shelves. It also supports optional write functionalities for creating and hydrating shelves through configured tools.
    4
    6 npm
    1
    Apache 2.0
  • A
    license
    A
    quality
    B
    maintenance
    Enables agents to publish files to immutable public URLs and sync them to e-ink devices that pull updates from a manifest, even when behind NAT.
    6
    MIT
  • F
    license
    A
    quality
    B
    maintenance
    Enables agents to price, send, and track encrypted file transfers, with files chunked, encrypted, and hashed locally before any network relay, and to retrieve signed collection receipts. It supports prepaid credit pools and gives agents a privacy-first transfer capability within their own trust domain.
    1
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  • F
    license
    A
    quality
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    maintenance
    An MCP server that formats and syndicates Markdown content to Twitter/X, Threads, and a static blog on S3, with automatic thread splitting and preview capabilities.
    3
    -
  • A
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    A
    quality
    B
    maintenance
    An MCP server that generates high-quality blog cover images using Google Gemini AI and automatically uploads them to Qiniu Cloud storage. It provides automated WebP conversion and compression to deliver optimized CDN URLs for generated images.
    3
    5 npm
    MIT
  • A
    license
    A
    quality
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    maintenance
    An MCP server that provides AI assistants with full access to Fastmail accounts for managing email, contacts, calendars, and file storage. It implements 42 tools across JMAP, CardDAV, CalDAV, and WebDAV protocols to enable comprehensive account interaction through natural language.
    48
    MIT
  • A
    license
    A
    quality
    F
    maintenance
    An Amazon S3 Model Context Protocol server that allows Large Language Models like Claude to interact with AWS S3 storage, providing tools for listing buckets, listing objects, and retrieving object contents.
    3
    616 npm
    30
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Provides LLMs with tools to interact with the MASV API. MASV is an easy-to-use and ultra-reliable managed file transfer service designed for teams of all sizes. It allows users to send and receive massive files without size limits, while ensuring data integrity and security through its robust cloud infrastructure that supports cloud, on-prem, and hybrid workflows. Learn more https://massive.io/
    20
    26 npm
    5
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables managing multiple Gmail accounts through a single MCP server, with independent OAuth per account, supporting email read, search, labeling, drafting and sending, as well as calendar and iCal feed operations.
    41
    Apache 2.0