Messaging and email

Telnyx Agent Plugin — Agent Skills for voice, messaging, email, numbers, verify, TTS/STT, AI inference and platform services, plus the…

Complete digital marketing operating system — 163 skills and 24 agents covering strategy, content, SEO/AEO, paid media, analytics, and…

Build, deploy, and operate applications on AWS. Skills to author infrastructure-as-code (CDK, CloudFormation), use core services (Lambda,…

Official Sent business messaging plugin for SMS, WhatsApp, RCS, API integration, webhooks, routing, two-way messaging, Sender Profiles,…

Maxxing skills for coding agents: an engineering doctrine (dx for design priorities, writing-code for…

Personal Telegram account tools: summarize, search, send, and manage chats over MCP, with a local message cache for repeat search and…

Skills and MCP tools for building notifications with Knock

Marketing automation, CRM, and email marketing powered by ActiveCampaign. Manage contacts, campaigns, automations, deals, and get…

Portable Agent Plugins package for the Alex ACT Document Tools conversion skills.

Open-source email API for applications and AI agents — transactional sending from any product, per-agent two-way inboxes, structured…

Automate native macOS apps with AppleScript, JXA, Swift, and EventKit.

Send and receive emails, build with React Email, follow deliverability best practices

Connect authorized domains, triage inbound mail, and operate user-requested replies within returned account limits.

Safely receive and reply to durable Punaro messages and handle explicitly authorized trusted attachments.

Let any agent use Arcade — one MCP connection that finds and runs the right tool across every app you've connected. App sign-in happens in…

Your personal context engine. Bootstrap any AI task by instantly warming up with relevant emails, Drive docs, Slack threads, and meeting…

Sales, persuasion, and messaging skills including Cialdini's influence psychology, Aaron Ross's outbound sales methodology, Heath Brothers'…

Drive Bird from your coding agent: operate the Bird API from the terminal with the `bird` CLI, send across email, SMS, and WhatsApp, and…

Experimental autonomous workflows for the e2a agent email gateway. Requires the core e2a plugin for MCP tools and authentication.

Fastmail email skills: browser-driven email workflows (search, read, compose, reply) and sending-identity management via the…

Agentic Skills for Matrix: client-side chat (matrix-communication), Synapse homeserver administration (matrix-administration), and…

Connect your agent to 500+ apps through One. One MCP server, four tools, 80,000+ actions with real API documentation, no OAuth tokens to…

Triage Microsoft Outlook mail and manage your calendar.

Use Pippin through MCP or its CLI for Apple mail, calendar, reminders, contacts, notes, memos, messages, and diagnostics.

Build and operate RevDesk integrations across business calling, messaging, phone numbers, contacts, jobs, usage, webhooks, SDK, CLI, agent…

Prepare private Rockaway Q and QAQ meeting briefs using calendar context and the read-only Q brain.

Prepare private Rockaway Ventures meeting briefs using calendar context and the read-only Ventures brain.

Portable agent skills for evidence-safe articles and reliable messages.

Discover authenticated rooms and run durable, bounded consultations over MCP.

Give Hermes agents domains, professional mailboxes, and authenticated inbound-email workflows through Domani.

Connect WhatsApp to Claude, Codex, and ChatGPT through JoAi's hosted MCP app server.

2Chat in your agent through One. 56 actions with real API documentation, OAuth handled, no tokens to manage.

Ably in your agent through One. 31 actions with real API documentation, OAuth handled, no tokens to manage.

Ably Control in your agent through One. 24 actions with real API documentation, OAuth handled, no tokens to manage.

AgentMail in your agent through One. 91 actions with real API documentation, OAuth handled, no tokens to manage.

Bird in your agent through One. 3592 actions with real API documentation, OAuth handled, no tokens to manage.

Discord in your agent through One. 229 actions with real API documentation, OAuth handled, no tokens to manage.

Gmail in your agent through One. 79 actions with real API documentation, OAuth handled, no tokens to manage.

Mailgun in your agent through One. 254 actions with real API documentation, OAuth handled, no tokens to manage.

Mailtrap in your agent through One. 110 actions with real API documentation, OAuth handled, no tokens to manage.

Outlook Mail in your agent through One. 278 actions with real API documentation, OAuth handled, no tokens to manage.

Postmark in your agent through One. 66 actions with real API documentation, OAuth handled, no tokens to manage.

Resend in your agent through One. 67 actions with real API documentation, OAuth handled, no tokens to manage.

Revolt in your agent through One. 125 actions with real API documentation, OAuth handled, no tokens to manage.

Sendbird in your agent through One. 262 actions with real API documentation, OAuth handled, no tokens to manage.

SendGrid in your agent through One. 389 actions with real API documentation, OAuth handled, no tokens to manage.

Slack in your agent through One. 306 actions with real API documentation, OAuth handled, no tokens to manage.

SMTP2GO in your agent through One. 68 actions with real API documentation, OAuth handled, no tokens to manage.

Telegram Bot in your agent through One. 166 actions with real API documentation, OAuth handled, no tokens to manage.

Telegram Gateway in your agent through One. 4 actions with real API documentation, OAuth handled, no tokens to manage.

Timelines.ai in your agent through One. 33 actions with real API documentation, OAuth handled, no tokens to manage.

UniOne in your agent through One. 35 actions with real API documentation, OAuth handled, no tokens to manage.

Unipile in your agent through One. 90 actions with real API documentation, OAuth handled, no tokens to manage.

WhatsApp Business in your agent through One. 114 actions with real API documentation, OAuth handled, no tokens to manage.

Read Classic Outlook mail and calendar data and perform explicitly authorized read-state or reply-draft changes with a portable MCP usage…

Read Outlook Web mail and calendar data and perform explicitly authorized read-state or reply-draft changes with a portable MCP usage skill.

Plan and review your day on Reassign's circular 24-hour calendar, with ADHD-friendly scheduling methods. Bundles the Reassign scheduling…

Send transactional emails through the Resend remote MCP server with OAuth.

Email, calendar, contact research, and meeting prep through the Slashy MCP server.

Personal WhatsApp account tools over MCP: search contacts/chats/messages, download media, and send messages through a local linked-device…

AICQ End-to-end Encrypted Chat — exposes AICQ friend management, chat, file transfer, and group messaging to OpenAI Codex via a stdio MCP…

Epistemic message composer with 30 Bayesian rationality criteria (LessWrong Sequences). Socratic interview before writing, draft generation…

Extract schedules from files, images, and text, then produce structured calendar data and ICS files.

Triaje epistémico de correo con 30 criterios de racionalidad bayesiana (LessWrong Sequences). Scoring multi-eje, routing en 4 tiers con…

Googleカレンダーの予定変更（追加・更新・削除）をSlackチャンネルに通知するGASツール。セットアップを案内・自動化するAgent Skillを含む。

A wall of mail slots for parallel coding agents. Each worktree gets a pigeonhole; agents leave each other notes and post what they are…