MCP server directory

Physical mail API for AI agents. Send letters, certified mail, postcards, and batch mailings with cost previews, approval controls, tracking, and webhooks.

A MCP server that send desktop notifications with sound effect when agent tasks are completed.

An MCP server to interface with the Google Tasks API

TSgram: Telegram + Claude with local workspace access on your phone in typescript. Read, write, and vibe code on the go!

Message queue for AI coding assistants. Let AI agents (Claude Code, Cursor, Codex) send messages to each other across sessions and machines. UUID-based auth, self-hostable.

36 zero-auth developer utilities: MD5/SHA/bcrypt hashing, Base64/hex/URL encoding, UUID/password/passphrase generation, JWT decoding, JSON/YAML/XML formatting, timestamp conversion, CIDR calculator, and text tools.

CometChat's official MCP server — searches CometChat documentation and returns curated implementation bundles for adding real-time chat, voice, video, and moderation to your app (React, React Native, Flutter, iOS, Android, JS SDK).

IMAP/SMTP email MCP server with 42 tools for reading, searching, sending, scheduling, and managing emails across multiple accounts. Supports IMAP IDLE push, AI triage, desktop notifications, and auto-detects providers like Gmail, Outlook, and iCloud.

MCP Telephony server for automating voice calls with Speech-to-Text and Speech Recognition to summarize call conversations. Send and receive SMS, detect voicemail, and integrate with Vonage APIs for advanced telephony workflows.

Telegram API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, sending messages and handling read status.

Email (IMAP/SMTP), mail filters (Sieve), calendar (CalDAV), contacts (CardDAV), and free/busy scheduling for Open-Xchange and standards-based mail platforms. Published on the official MCP Registry.

MCP server for Product Hunt. Interact with trending posts, comments, collections, users, and more.

Telegram API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, and handling read status

Bluesky instance integration for querying and interaction

An MCP server acting as an adapter into the [ACP](https://agentcommunicationprotocol.dev) ecosystem. Seamlessly exposes ACP agents to MCP clients, bridging the communication gap between the two protocols.

Email read tracking via Gmail. Send tracked emails, check if they were opened with open count, device, and timing.

You built it, now get users! GoToMarket MCP server

Translation quality evaluation using xCOMET models. Provides quality scoring (0-1), error detection with severity levels (minor/major/critical), and optimized batch processing with 25x speedup.

Connect your own AI agent — Claude, ChatGPT, Cursor, and other MCP-compatible clients — directly to your CalendarBridge account. Your agent can read and manage your calendars, events, schedulers, and syncs on your behalf, with permissions you control. Bring Your Own Agent uses MCP (the Model Context Protocol) — an open standard that lets AI assistants connect to outside tools. CalendarBridge runs a hosted MCP server, so any MCP-capable client can connect to your account and act on your calendars for you.

6 tools · Build booking links, Check your schedule

AI project intelligence MCP server. Tracks 300+ open-source AI projects across GitHub, PyPI, npm, HuggingFace, Docker Hub, and Hacker News. 47 MCP tools for discovery, comparison, trend analysis, and semantic search across AI repos, HuggingFace models/datasets, and public APIs.

An MCP server that provides safe access to your iMessage database through Model Context Protocol (MCP), enabling LLMs to query and analyze iMessage conversations with proper phone number validation and attachment handling

Agent-to-agent networking. Your AI publishes what you need, matches with other people's agents, both humans approve before connecting. 6 tools, Ed25519 signed, shared network at api.aeoess.com.

X (Twitter) creator toolkit MCP with 14 tools: tweet download (video/GIF/image/full archive), curated hashtags by niche, best posting times by country, viral hook formulas, engagement & ads-revenue calculators, thread splitter, character counter, advanced-search URL builder, fancy Unicode bio generator, viral patterns lookup, and the full 2026 search-operator cheatsheet. Uses X's public syndication endpoint — no auth, no rate limits on curated data.

AI-powered code generator for the Arbitrum ecosystem. 19 MCP tools for Stylus smart contracts, SDK bridging, full-stack dApps, and Orbit chain deployment, backed by RAG-based retrieval over Arbitrum documentation.

The Checkout Page MCP server lets AI assistants like Claude, ChatGPT, and Cursor work directly with your Checkout Page account. Instead of digging through the dashboard or writing API requests, you can just ask, in plain English, and the assistant takes care of the rest. It's built on the Model Context Protocol, an open standard for connecting AI assistants to the tools and data they need. Once connected, you can ask your AI assistant to do things like: - "Find the customer with the email jane@example.com and show me their last subscription." - "Pull up the most recent payment for order ABC123. What plan did they pick?" - "Show me the last 10 form submissions from my ebook lead capture form." - "Open the checkout page with ID cp_abc123 and tell me what product is attached." - "Spin up a new checkout page called 'Spring Workshop' priced at $99." - "Create a lead capture form for our new ebook with name, email, and company fields." - "Build a registration form for the May webinar. Collec

5 tools · create_checkout_page, create_coupon

An MCP server for executing token swaps on the Solana blockchain using Jupiter's new Ultra API.

The scheduled delivery API for developers. Schedule reminders, notifications, and webhooks with one API call.

B2B lead enrichment server integrating Hunter.io and Apollo APIs. 9 tools for email discovery, domain search, company data, and contact verification.

Email for AI agents. Send and receive as markdown with configurable human oversight (monitor, gate, or fully autonomous).

Zero-setup MCP gateway securely connecting AI to your tools with authentication and workflows

An MCP server that tracks newly created pools on Pancake Swap.

Drives the full App Store release cycle for iOS/macOS apps: version bump, archive + sign + TestFlight upload via your fastlane lane (as async jobs with log polling — the step REST-only ASC servers can't do), metadata updates, and review submission via the ASC API. Zero-dependency ES256 JWT auth. `npx appstore-release-mcp`

MCP Server that connects AI Agents to [Carbon Voice](https://getcarbon.app). Create, manage, and interact with voice messages, conversations, direct messages, folders, voice memos, AI actions and more in [Carbon Voice](https://getcarbon.app).

A MCP Server that enhance your IDE with AI-powered assistance for Intlayer i18n / CMS tool: smart CLI access, access to the docs.

A Model Context Protocol (MCP) server that integrates with SonarQube to provide AI assistants with access to code quality metrics, issues, and quality gate statuses

Multi-agent AI consultation framework for Claude Code. Three MCP servers wrapping CLI tools (Codex, Gemini, Qwen) for parallel code review and problem-solving with fallback chains and error detection. Includes ready-to-use Claude Code skill.