"Using OpenRouter to Access Available Language Models" matching MCP servers:

Sends document files (EPUB, PDF, DOCX, etc.) to your Kindle via email using Amazon's Send to Kindle feature.

An MCP server that sends plain-text Gmail messages only to a predefined allowlist, using generated recipient IDs instead of email addresses to enforce security.

One-pass agentic inbox triage as an MCP server: fetch unread Gmail → classify (action_needed/fyi/newsletter/noise) → summarize → extract tasks → draft replies as Gmail DRAFTS (never sends) → flag calendar → write a triage report. Four stdio tools (fetch_emails, save_gmail_draft, append_tasks, write_report); the host is the LLM, so it runs keyless in Claude Code. Gmail scopes: readonly + compose

A Model Context Protocol (MCP) server that allows Claude Desktop to send documents directly to your Kindle e-reader.

Enables pushing enriched leads into Instantly or Smartlead campaigns with ICP score gating, deduplication, and dry-run previews via an Apify actor.

Enables MCP-compatible clients to connect to Outlook mailboxes via the Microsoft Graph API using app-only authentication.

Enables sending documents (Markdown, PDF, EPUB) directly to a Kindle via Amazon Send-to-Kindle email, with Markdown converted to EPUB using pandoc.

Official MCP server for Shipmail, enabling agents to manage domains, mailboxes, messages, threads, webhooks, and suppressions via natural language.

Enables HR teams to automate routine workflows, such as employee onboarding, through natural language prompts in Claude Desktop.

Enables automated B2B lead generation and personalized cold email outreach with self-improving campaign monitoring.

Enables natural language management of Gmail through MCP tools for searching, analyzing, summarizing, drafting, and sending emails, with AI reasoning and user confirmation for actions.

Enables AI assistants to search, read, and download attachments from Gmail using natural language, with read-only access.

Exposes Composio tools and actions (Gmail, Linear, etc.) as MCP-compatible tools for language models to interact with in a structured way.

Enables sending emails and managing email delivery through Resend's API, allowing users to compose and send emails using natural language.

Enables interaction with Microsoft Teams and Outlook through the Graph API, with available tools determined by the access token's granted scopes.

Enables AI assistants to read, search, and manage email via IMAP, and send emails with attachments via SMTP, using natural language commands.

Provides read-only access to Proton Mail via MCP, enabling AI agents to list accounts/folders, search messages, and read emails using Proton Mail Bridge's local IMAP server.

Enables AI agents to read, search, reply to, and send emails from Yandex Mail directly in chat using natural language.

Enables AI-driven customer support ticket processing, including classification, response generation, and automated email sending and Google Sheets logging.

Provides MCP clients with safe local access to read, search, and send Gmail messages using token-efficient outputs and explicit permissions.