"Accessing or using a remote MCP server endpoint" matching MCP servers:

An MCP server that enables AI agents to pause and request human approval or information via Slack, Telegram, or macOS dialogs before proceeding with actions.

Provides over 1,000 creative ways to decline requests across four categories (polite, humorous, professional, and creative). The MCP server wraps a REST API to help users craft professional rejections through natural language interactions.

Connects AI agents to anonymous strangers for asking and answering questions in character.

Enables remote Model Context Protocol clients to securely read, search, and send Signal Messenger messages through an HTTP interface backed by a personal signal-cli daemon.

Enables AI assistants to read Apple Messages chat history and send iMessages or SMS on macOS, accessible locally via stdio or remotely over authenticated HTTP.

Enables AI assistants such as Claude, ChatGPT, and Cursor to query, summarize, manage, and schedule WhatsApp conversations and related contacts, groups, labels, media, reminders, and analytics through the Model Context Protocol while processing remains local in the browser extension.

Enables Claude mobile and claude.ai to access your Spark Desktop mailbox by exposing the official Spark MCP server over authenticated Streamable HTTP, with safety gates for read-only and send permissions.

Remote MCP server allowing Claude to interact with the Upvote.club API through 7 tools, supporting per-user authentication via X-API-Key header.

Enables mobile AI agents and remote clients to connect to SnowLuma OneBot v11 over Streamable HTTP/SSE, providing messaging, group management, reaction emojis, and full OneBot v11 action pass-through.

A remote MCP server for Google Chat, deployed on Cloudflare Workers without authentication, enabling tool execution via MCP protocol.

Run free live audience Q&A and polls from your agent: start an AskOne room, add and launch a poll, approve or hide questions and mark them answered, close the room, then read the questions as a FAQ draft and get the results. Free AI moderation. Uses an organization API token from askone.org

Enables AI apps to securely read, search, organize, draft, attach files to, and send email across up to five self-hosted IMAP/SMTP mailboxes, with sending only after explicit user approval.

Lets an AI assistant read call and message history, send texts and picture messages, reach Phone Book contacts by name, and — once switched on — place calls run by a voice agent, all limited to the phone numbers the user ticks. Hosted remotely with OAuth sign-in, so nothing needs to be installed locally.

Enables multi-user remote MCP interactions with Gmail, OpenAI, and Salesforce via a FastMCP server.

Discover and connect your agents with other agents via A2A protocol. Share resources for free or fee.

Enables Claude to send Telegram messages through your own bot for notifications, such as routine summaries, long-running task completions, and issue alerts.

Gives Claude access to Microsoft 365 mail, calendar, files, and Teams chat with per-user identity via On-Behalf-Of flow. Supports reading and drafting content, but sending is deliberately disabled.

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.

A Model Context Protocol server that enables LLMs to interact with Slack workspaces through OAuth 2.0 authentication. It provides tools for listing channels and posting messages while supporting secure token persistence and dynamic client registration.

Enables accessing Контур.Толк (KTalk) recordings, transcripts, and summaries from Claude Code.