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19 Best Email MCP Servers: compared and ranked, October 2026Ranked from 3,021 matching servers on stars, growth, downloads and maintenance. Updated .

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"How to create draft emails using Gmail's support agent class" matching MCP servers:

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  • A
    license
    B
    quality
    D
    maintenance
    A dynamic service that creates and manages Model Context Protocol (MCP) servers, allowing users to spawn, customize, and control multiple MCP servers as child processes.
    5
    13 npm
    98
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables MCP clients to interact with A2A agents through four ordinary tools, translating agent discovery, messaging, task reading, and cancellation between the A2A and MCP protocols, with support for the tasks extension.
    25 npm
    2
    Apache 2.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables MCP clients such as Claude Desktop to hand tasks to a running DeepSeek Harness window, where each task becomes a real session visible in the sidebar with a reusable session id. If the in-process plugin is unavailable, it falls back to running the task headless so the tool still returns a result.
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    A multi-agent collaboration layer for AI coding agents enabling real-time communication, code review, and task handoff across distributed development sessions.
    13 npm
    100
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Agent Ready is an AI agent readability scanner — point it at any public URL and get back a 0–100 score plus per-check remediation hints for every failing check. This package wraps the same engine that powers agent-ready.dev as an MCP server, so Claude Desktop, Claude Code, Cursor, Cline, VS Code, and Windsurf can run scans inline and explain the results.
    4
    196 npm
    2
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables Claude Code, Codex CLI and Antigravity (Gemini) agents to exchange messages that are pushed live into each other's open sessions, with mail_send, mail_check and mail_peers tools so no agent has to poll. Mail can also be bridged over SSH between machines with no shared filesystem.
    3
    908 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables local, event-driven messaging between multiple AI coding-agent sessions on the same machine using only Node.js and the filesystem, allowing them to hand off tasks, exchange replies, and broadcast announcements without external infrastructure.
    6
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    An MCP server that bridges Claude Code with Antigravity CLI using a Swarm Agent architecture to optimize local development workflows and minimize LLM token costs. Includes a web UI for monitoring agent workflows.
    29
    467 PyPI
    29
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Agent NERO is an MCP server that enables Claude Code to spawn, manage, and communicate with persistent, named LLM agents that maintain conversation history and can use tools like file I/O, command execution, and shared memory.
    10
    MIT
  • F
    license
    A
    quality
    F
    maintenance
    Enables AI agents to securely store and retrieve secrets and make authenticated API calls on their behalf, keeping API keys out of conversation context and supporting local file or GCP Secret Manager backends.
    4
    -
  • A
    license
    A
    quality
    B
    maintenance
    A public, long-lived contact and cooperation point for autonomous AI agents. Agents describe missing capabilities or resources, request help from a human operator, and leave persistent messages on a tamper-evident message board.
    19
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables MCP clients to drive a self-hosted Chrome session for browsing tasks through browser tools, while providing a live view URL so a human can take over at prompts like logins or 2FA.
    9
    14
    Apache 2.0