"Understanding VS Code Agents or Extensions" matching MCP servers:

Agent Toolkit for Mercado Pago

MCP tools that let a coding agent assemble, validate and store a structured handoff document describing a change just finished, then let a receiving agent read that handoff narrowed to its own repository's required actions.

Enables coding agents to publish and read events on channels, notify humans, and ask yes/no, multiple-choice, or free-text questions, returning answers as tool results.

MCP server that lets Claude place outbound telephone calls via ElevenLabs Agents over a SIP trunk and report the outcome including status, success evaluation, summary, and transcript.

Enables AI agents to discover each other and communicate through cryptographically verified messaging and secure inbox management via the Agents Registry. It provides tools for Ed25519-based identity authentication, message signing, and agent discovery across domains.

基于MCP协议的聊天桥接服务器，允许多个AI Agent接入同一个聊天室进行对话协作。

MCP server for agent-to-agent communication over NATS with live session push via Claude Code Channels.

MCP server that connects Claude Code to Slack, allowing two-way communication via Slack Socket Mode without tunnels.

Lets you @mention a bot in a Slack channel or DM to send work to a local Claude Code session and watch it run, with live self-updating turn cards, threaded answers, progress checklists and a per-channel inbox with read cursors. It runs entirely on your machine over Slack Socket Mode—no tunnel or public IP—routes misdelivered messages to the right project, and masks credentials in anything it posts back.

MCP server for BubblyPhone that lets AI assistants make real phone calls, manage AI voice agents, buy phone numbers in 30+ countries, and track billing. Supports 20 tools for full telephony control.

Integrates Claude Code with DingTalk (钉钉) robot notifications, allowing users to send task completion alerts and various message formats to DingTalk groups from Claude Code.

Wraps Claude Code as a server using the Model Context Protocol (MCP), allowing teams to interact with Claude Code through a Slack bot interface.

MCP server that pushes Feishu (Lark) messages to Claude Code sessions and allows Claude to reply directly in Feishu.

Enables bidirectional communication with Claude via WhatsApp, allowing commands, file sharing, and persistent context without needing Claude Code open.

Enables Claude Code to act as an autonomous Telegram agent with tools for replying, reacting, editing messages, searching history, and handling attachments. Includes a TUI watchdog for unattended operation.

A focused remote MCP server that enables LLMs to search and execute Slack Web API operations with OAuth and write guardrails.

MCP server integrating Telegram bot with Qwen Code for AI chat, supporting persistent sessions, group chat, and advanced features via mention-based triggers.

Enables sending properly rendered Markdown messages to Telegram and remotely resetting Claude Code's context, addressing gaps in Anthropic's official Telegram channel.

Enables management of Google Workspace apps (Docs, Sheets, Gmail, Calendar, Drive) from the command line via Gemini CLI.

Exposes seven read-only tools for sales engagement data from DM Faster, enabling agents to query workspace briefings, campaigns, sendings, replies, pipelines, and company timelines.