"OpenAI's Web Retrieval Infrastructure" matching MCP servers:

Detects whether a company runs cold email outbound and identifies the email sending infrastructure, including sending domains, platforms, and authentication status.

Enables interaction with Outlook Web through its internal API, supporting email search, folder listing, email retrieval, read state changes, calendar events, and reply drafts without Microsoft Graph or COM.

Universal email integration for AI assistants, supporting any IMAP provider with 18 tools for reading, sending, managing, and automating emails.

Public skill package and hosted MCP email infrastructure for AI agents with inbox creation, sending, memory, recovery, and Solana USDC credit payments.

Read-only MCP server that connects to multiple IMAP accounts, enabling cross-account email listing, search, and retrieval without modifying mailboxes.

Finds and verifies business email addresses using DNS/SMTP verification and web scraping, with no external API costs.

Agent-native cold-email infrastructure providing ~12 high-level tools for domain setup, mailbox provisioning, campaign launch, inbox management, and metrics, all operated via MCP or CLI.

Access 5+ ATXP agent tools via MCP: web search, AI image generation, email, and music generation. Free tier with pay-per-use Pro tier via x402 micropayments (USDC on Base mainnet).

Provides AI agents with real email infrastructure, enabling them to create inboxes, send/receive messages, and extract verification codes from incoming mail.

Self-hosted email for AI agents: unlimited mailboxes on your own domain with docker compose, OTP/link extraction, mail_wait_for, web dashboard. v0.7.3: webhook wake example, reliable long waits (mail_wait_for), optional pending journal for task claims. Release: https://github.com/openagentemail/openagentemail/releases/tag/v0.7.3

Enables unified email and attachment reading through a local stdio MCP interface, supporting multiple email accounts, inbox listing, message retrieval, attachment downloads, and full email export.

Provides read-only search and retrieval of archived emails, archive statistics, health, and ingestion sources, with an optional administrative toolset for user, role, reindexing, and queue management.

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 read-only search and retrieval of your email across multiple IMAP accounts through a local notmuch index, served over authenticated HTTP for MCP clients like Claude or Codex.

Enables Gmail management via MCP, including email search, retrieval, labeling, sending, and forwarding through IMAP and SMTP.

Enables AI coding agents and LLMs to scrape web pages into clean Markdown, audit email deliverability and authentication records, and verify email signup fraud risk through MCP tools.

Enables agentic administration of Infomaniak accounts via Claude, offering 169 tools for web hosting, mail, domains, DNS, and more, with a strict two-phase commit for safe mutations.

Enables LLM agents to search, browse folders, read emails as Markdown (including Teams meeting links), and create draft messages through the real Microsoft Outlook Web client driven by a Playwright browser bridge. Drafts are never sent automatically, letting users review and approve messages in Outlook before sending.

An MCP server that transforms standard LLMs into autonomous investment bankers, enabling live market data retrieval, fundamental ratio calculations, DCF valuations, portfolio diversification assessment, and automated emailing of executive reports.

Enables interaction with Mailosaur email and SMS testing services, allowing message management, server configuration, file downloads, spam analysis, and TOTP code retrieval via natural language.