MCP Servers 215

Gmail Server

io.github.ArtyMcLabin/Gmail-MCP-Server

A✓Verified

Lean Gmail MCP server with auto authentication support

Discordmcp

io.github.v-3/discordmcp

E◆ advisory

Discord MCP Server for Claude Integration

e2a — email for AI agents

io.github.Mnexa-AI/mcp-server

A✓Verified

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

Claude Ops Telegram Server

io.github.auroracapital/claude-ops-telegram-server

A✓Verified

Telegram personal-account MCP (MTProto user-auth).

Flexible Graphrag

io.github.stevereiner/flexible-graphrag

B◆ advisory

Python, LlamaIndex, LangChain, 15 Property Graph, 4 RDF , 10 Vector, OpenSearch, Elasticsearch, Alfresco, Nuxeo DBs.

Instagram Dm

io.github.trypeggy/instagram_dm_mcp

E◆ advisory

Instagram Direct messages MCP

Jmap

io.github.wyattjoh/jmap-mcp

B◆ advisory

A Model Context Protocol (MCP) server that provides tools for interacting with JMAP (JSON Meta Application Protocol) email servers.

Wa Llm

io.github.ilanbenb/wa_llm

B◆ advisory

A WhatsApp bot that can participate in group conversations, powered by AI.

Any Chat Completions

io.github.pyroprompts/any-chat-completions-mcp

E◆ advisory

MCP Server for using any LLM as a Tool

Spring Ai

io.github.eazybytes/spring-ai

C◆ advisory

From Java Dev to AI Engineer: Spring AI Fast Track

Claude Ipc

io.github.jdez427/claude-ipc-mcp

D◆ advisory

AI-to-AI communication protocol for Claude, Gemini, and other AI assistants

Notifykit

io.github.sathergate/notifykit

B✓Verified

Unified notifications for Next.js.

Heimdall

io.github.lcbcfoo/heimdall-mcp-server

D◆ advisory

Your AI Coding Assistant's Long-Term Memory

three.ws Notifications

io.github.nirholas/notifications-mcp

A✓Verified

Read the inbox, mark items read, manage delivery preferences, and register Web Push devices.

Email

io.github.codefuturist/email-mcp

A✓Verified

IMAP/SMTP email MCP server — 47 tools, IMAP IDLE push, multi-account, AI triage.

Technocore Chat

io.github.flop-labs/technocore-chat

A✓Verified

Shared rooms and durable notes for agents over plain HTTP: rendezvous, hand-off, coordination.

Chat Ui

io.github.ai-ql/chat-ui

B◆ advisory

Single-File AI Chatbot UI with Multimodal & MCP Support: An All-in-One HTML File for a Streamlined Chatbot Conversational Interface

Email Inbox API + Sending by Sendmux

io.github.Sendmux/sendmux-mcp

A✓Verified

AI email inbox and sending tools with attachments, search, live events, and webhooks.

Discord MCP

io.github.cappyeo/discord-mcp

A✓Verified

Caller-owned Discord operations for AI agents with 208 typed tools and verifiable guild builds.

Memcord

io.github.ukkit/memcord

B◆ advisory

🧠 Self-hosted, privacy-first MCP server for long-term AI memory — save, search & summarize Claude/ChatGPT chat history locally.

Agent Inbox

io.github.gsd-build/agent-inbox

C◆ advisory

Give any AI agent a disposable email inbox in one tool call.

Apple Mail MCP

io.github.imdinu/apple-mail-mcp

A✓Verified

Apple Mail MCP server with full-coverage FTS5 body search, reliable on large mailboxes.

Postmark

io.github.activecampaign/postmark-mcp

B◆ advisory

Official Postmark MCP server by ActiveCampaign — 24 tools to send, template, search, and diagnose transactional email from Claude, Cursor & other AI assistants.

Matrix

io.github.mjknowles/matrix-mcp-server

E◆ advisory

MCP Server for a Matrix home server integration; chat, manage rooms, etc.