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"Understanding and Using JSON" matching MCP servers:

  • A
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    MCP server that enables AI agents to check if email addresses or domains are disposable using the isitdisposable.com API. It provides tools like check_email, check_domain, and check_batch for real-time validation.
    3
    297
    MIT
  • A
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    quality
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    Enables AI agents to send emails via Microsoft 365/Office 365 using app-only authentication and Microsoft Graph API, supporting HTML content, attachments, and CC/BCC.
    2
    MIT
  • A
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    An MCP server that exposes a local notmuch email database to an LLM client such as Claude. It is read-first: searching, reading, and understanding mail is always available; writing anything (drafts, tags, exported files) requires an explicit opt-in flag and is confined to clearly bounded locations.
    13
    MIT
  • A
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    Finds and verifies business email addresses using DNS/SMTP verification and web scraping, with no external API costs.
    5
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    5
    MIT
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    Enables AI agents to send emails and manage sending domains, templates, analytics, and content checks through the SendByte platform using the Model Context Protocol.
    11
    10
    MIT
  • A
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    quality
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    maintenance
    A privacy-first MCP server for inbox triage, enabling masked email reading, calendar upsert, reply drafting, and Slack digests using Google and Slack credentials.
    10
    MIT
  • A
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    Sendmux is an email inbox API and email API for AI agents. Use this MCP server to let authorised agents work with Sendmux mailboxes, inbound email, clean JSON parsing, webhooks, outbound sending, provider routing, logs, billing, and team controls.
    30
    78
    MIT
  • A
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    quality
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    maintenance
    A minimal MCP server for sending plain-text emails and managing Gmail user labels over stdio, using only gmail.send and gmail.labels OAuth scopes.
    4
    528
    MIT
  • A
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    quality
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    maintenance
    Enables AI assistants to generate temporary email addresses, check inboxes, and read messages using the 1TempMail API.
    3
    20
    MIT
  • A
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    quality
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    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
  • F
    license
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    quality
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    maintenance
    Find email addresses for people at companies and verify email validity using the Hunter.io API.
    2
  • A
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    quality
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    maintenance
    Reads and searches Thunderbird mail from local mbox files and sends mail via SMTP using auto-discovered identities, filing copies in Thunderbird's Sent folder.
    9
    MIT
  • A
    license
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    quality
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    maintenance
    Enables AI agents to send, read, search, and organize emails via ProtonMail using Proton Bridge. Supports MCP-compatible clients like Claude and Cursor.
    17
    31
    3
    MIT
  • F
    license
    A
    quality
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    maintenance
    An MCP server that exposes a mock email verification tool over stdio transport, providing structured JSON results with statuses valid, invalid, or risky.
    1