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"Open Source Intelligence (OSINT) tools and techniques" matching MCP servers:

  • email-intelligence-mcp

    naresh-mahiya
    F
    license
    -
    quality
    B
    maintenance
    An MCP server that provides email verification, bulk list cleaning, and signup risk assessment tools. It exposes three typed tools for agents: verify_email, clean_email_list, and assess_signup_risk, with real DNS MX checks and disposable domain detection.

  • macos-mcp-tools

    HachiTogo
    A
    license
    -
    quality
    A
    maintenance
    A collection of MCP servers for Apple macOS apps (Mail, Contacts, Notes, Memory, Messages, Calendar, Reminders) enabling AI assistants to read, search, create, and update data via JXA, SQLite, and EventKit.
    12
    MIT

  • Gmail Postmaster Tools MCP

    optipub
    A
    license
    -
    quality
    B
    maintenance
    Query your domains, sender compliance status, and Gmail traffic metrics from Claude, Cursor, or any MCP client using the Gmail Postmaster Tools API.
    6
    MIT

  • mailX tools

    Mailwarm
    A
    license
    A
    quality
    D
    maintenance
    MCP server for email deliverability: validate SPF/DKIM/DMARC/BIMI, check blacklists, test SMTP/IMAP, look up DNS, and generate ready-to-deploy records for any major email provider. Ships with two one-click prompts (audit-deliverability, setup-dns). Public, no auth.
    17
    MIT

  • Newsletter Tools

    josephtandle
    F
    license
    -
    quality
    D
    maintenance
    A utility MCP server providing 10 specialized tools for newsletter content preparation and optimization, including subject line generation, HTML-to-text extraction, read time estimation, and email validation. Enables newsletter operators, developers, and content teams to automate pre-send workflows and audit newsletter issues through natural language interactions.

  • Google Workspace MCP Server

    risvan1605
    A
    license
    A
    quality
    B
    maintenance
    An MCP-compliant server that exposes Gmail and Google Docs as tools, enabling AI agents to draft, send, and manage emails, as well as create, read, and append to documents through natural language.
    9
    MIT

  • Gmail MCP Server

    ryantorno-arch
    A
    license
    -
    quality
    C
    maintenance
    Enables Claude to read, search, send, label, and trash emails in any Gmail account via Google's Gmail API, using OAuth2 authentication with automatic token refresh.
    67
    MIT

  • Gmail + SAP MCP Server

    suryanandan1
    F
    license
    -
    quality
    C
    maintenance
    Provides MCP tools for searching, reading, and drafting Gmail emails, as well as querying SAP OData endpoints with safe read operations and mock mode.
  • plunk-mcp by ignytehq

    plunk-mcpofficial

    ignytehq
    A
    license
    A
    quality
    C
    maintenance
    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.
    11
    24
    2
    MIT

  • iCloud MCP

    jerichosequitin
    A
    license
    -
    quality
    B
    maintenance
    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.
    43
    MIT

  • NornWeave

    DataCovey
    A
    license
    -
    quality
    A
    maintenance
    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.
    27
    Apache 2.0

  • Agent Email

    UseJunior
    A
    license
    -
    quality
    A
    maintenance
    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.
    4
    Apache 2.0