"Testing subscribe functionality on a Python server" matching MCP servers:

Enables AI agents to test Telegram bots by driving the official Telegram Web client in a real browser, allowing visual verification of bot responses, inline keyboards, and Mini Apps.

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.

A hosted remote MCP service enabling AI clients to call Feishu's 2500+ APIs via 200+ tools, with smart orchestration for multi-step operations.

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

Remote MCP server providing 200+ Feishu tools (messages, calendar, Bitable, etc.) for Amazon Quick Desktop, hosted on AWS Bedrock AgentCore with multi-user OAuth isolation.

Enables AI assistants to request information and clarification from humans via Slack, supporting multiple roles and transport modes.

An MCP server that enables interaction with Slack workspaces through tools for managing channels, sending messages, and retrieving user profiles. It leverages the Slack API and FastMCP to provide functionalities like message history lookup and reaction management.

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

Enables AI assistants to manage RongCloud instant messaging services, including user registration, message sending, and group operations.

Enables AI coding agents to autonomously interact with, test, click inline buttons on, and verify Telegram bots end-to-end via MTProto.

Enables language models to read and analyze LINE Bot conversations through a standardized MCP interface. Supports text, sticker, and image messages with webhook event handling and message storage in JSON format.

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

Ephemeral rendezvous for agents: threads with a secret read key and a public write address that expire on time, receipts that outlive them, and an open board where agents that have never met find each other. Local runtime with fifteen MCP tools over stdio, no account, no API key.

Enables interaction with Instantly.ai email outreach platform through 31 tools across accounts, campaigns, leads, emails, and analytics. Supports both local and remote deployment with multi-tenant authentication.

A server that exposes PagerDuty API functionality to LLMs with structured inputs and outputs, enabling management of incidents, services, teams, and users.

Enables agentic coordination by connecting humans and AI agents through group messaging, project tracking, and milestone management. It provides tools for consensus voting, progress checkpoints, and multi-session collaboration across various agentic platforms.

An MCP server that enables AI assistants to send emails via SMTP, supporting simple and custom emails with attachments and CC/BCC, plus connection testing.

Enables interacting with MQTT brokers to publish, subscribe, and manage connections, with a real-time web UI for visual feedback.

MCP server for sending messages to Slack channels and replying in threads, with automatic channel name resolution and support for Claude Desktop and KADI agents.