"TypeScript MCP servers for testing observability and security use cases" matching MCP servers:

An authenticating proxy that bridges Google's remote Gmail MCP server with OAuth token refresh, letting MCP clients use static credentials to access Gmail.

MCP server that encapsulates Apple Mail on macOS via AppleScript, enabling invoice PDF search, attachment saving, and message flagging through natural language.

Enables AI agents to review email threats detected by Abnormal Security, inspect the underlying messages, evaluate or trigger remediation, and examine employee-reported campaigns and account-takeover cases through the Abnormal REST API.

Enables AI apps on the local computer to search and read Thunderbird mail, organize messages, manage contacts, and prepare drafts, with optional controlled sending. Access is limited to user-selected accounts and tool groups, with local-only communication and a pause control.

Enables ChatGPT and Codex to interact with Zoho Mail through Zoho's official MCP service, with safe workflows and capability boundaries.

A collection of small MCP servers for macOS automation that expose Apple Mail, MoneyMoney, and Spotlight functionality as tools via AppleScript and command-line, enabling AI applications to search mail, manage contacts and transactions, and perform system-wide file searches through natural language.

Enables AI assistants to manage multiple Outlook/Microsoft 365 mailboxes simultaneously through MCP tools, with local OAuth token storage.

A stdio MCP server exposing a validate_emails tool that lets agents screen email lists without sending mail or probing SMTP, checking syntax, DNS/MX records, disposable domains, role accounts, free providers, typo suggestions, and SPF/DMARC. Each address comes back with a valid/risky/invalid/unknown verdict plus machine-readable reason codes so agents can clean leads and signups before outreach or import.

Send email through your own Amazon SES account, and check domain verification, the suppression list and sandbox status. Works with any SES account; Wraps adds send history and delivery events.

Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.

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.

Enables Claude to check, search, read, and organize email across multiple Spacemail (Spaceship) inboxes, and to compose threaded drafts or replies that are saved to Drafts for review before sending. Optional direct sending, safe move-to-Trash instead of permanent deletion, and keychain-backed credentials keep the workflow private and controlled.

MCP server for SentVia that provides email infrastructure for AI agents, enabling them to create inboxes, send, reply, forward, search messages, manage drafts, domains, webhooks, and allow/block rules through 21 tools.

Enables AI assistants to send push notifications to WeChat, email, and other channels via PushPlus, supporting multiple message formats and channels.

Send email, find out why an email failed, set up sending domains, and manage templates, contacts, lists and campaigns in your AhaSend account.

Enables AI assistants to search, read, compose, and manage Thunderbird mail, filters, contacts, and calendar events through the Model Context Protocol.

Enables Claude Desktop on Windows to search and read Yahoo Mail messages in read-only mode, without sending, deleting, or otherwise modifying them.

Enables AI agents to send emails, create drafts in Gmail, and append content to Google Docs via standardized MCP tools.

MCP server giving Claude access to Tuta mail, calendar, contacts and drive. Supports mail modes (dedicated/shared/folder), trusted sender filtering with E2E verification, and Docker-based setup.

Enables Codex on Windows to search, read, and manage Naver Mail over IMAP/SMTP, including thread viewing, attachment downloads, draft creation, and sending or replying to messages. Credentials are stored encrypted with Windows DPAPI, and the local server provides tools for profiles, folders, and drafts.

Enables Antigravity IDE to directly interact with Google Docs, Sheets, Drive, Gmail, and Calendar, with token-optimized operations to reduce context usage by 70-90%.

Enables using Apple Mail accounts to search, read, manage, draft, and send messages from Codex or Claude Code locally.

A stateless email inbox on Cloudflare with MCP tools that let agents list, read, claim, complete, and reply to messages.

Enables Claude Desktop to interact with MailInApp projects, campaigns, and contacts. Allows designing and reading interactive email results with explicit confirmation for sending real campaigns.

An MCP server that exposes Google Docs and Gmail capabilities to LLMs via SSE transport.

Enables sending and drafting emails via Gmail and appending content to Google Docs through natural language commands.

Integrates with Google Docs and Gmail to append content to documents and create email drafts, featuring a manual approval system.

Provides MCP tools for searching, reading, and drafting Gmail emails, as well as querying SAP OData endpoints with safe read operations and mock mode.

Enables AI agents to create and send Gmail messages and append content to Google Docs through the MCP protocol.

Enables interaction with a local Mailpit instance for capturing and inspecting test emails during development and E2E testing.