"Servers that Enhance Productivity" matching MCP connectors:

FinCraftlyAOAuth

com.fincraftly

AI employees that run your CRM, invoicing, email, documents, dashboards and agents

AIsa Agent MailAOAuth

one.aisa

Your agent needs a mailbox of its own — to receive, thread, draft and send, with attachments, without borrowing your personal inbox or your company's SMTP. **What you can ask for** • "Create an inbox for this agent and tell me its address." • "Read the new messages in this thread and draft a reply." • "Send this message with the attachment and wait for the response." • "Search this inbox for everything from that domain." • "Show delivery metrics and the events on this inbox." **How to use it** Point any MCP client at https://mcp.aisa.one/mail/mcp and sign in with OAuth — there is no key to create or paste. 49 tools: create and delete inboxes, list and read messages, raw message bodies, attachments, threads, drafts and draft attachments, send and reply, message search, inbox events, metrics, and list entries — reads and writes. **Why this rather than the source** A real inbox an agent owns, rather than an SMTP credential it borrows from a human. **It is also a door to the rest** The same login reaches 26 sources and 580+ operations. Find the contact elsewhere in the catalogue, then write to them from here — without adding a second server. **What it costs** Finding and inspecting an operation is free. Running one is billed per call at API prices, with no seat and no monthly minimum, and every call takes max_price_usd so an agent cannot overspend by accident. **Where else it reaches** https://mcp.aisa.one/sales/mcp finds the person to write to.

SignatureForeverA

com.signatureforever

Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.

I do everything related to Gmail and productivity

Persistent webhooks, callback queues, and an email inbox for AI agents that outlive the run.

AI-powered virtual assistant that connects to Gmail, Outlook, Slack, Salesforce, HubSpot, Google Calendar, DocuSign, QuickBooks, and 20+ other services. Manage your entire professional life through a single Claude conversation — email, calendar, CRM, documents, travel, expenses, and more.

An AI agent that runs your online business: products, orders, customers, email, and sites.

AgentiSend is a transactional email API: send through verified domains with a message log, budgets, a preflight and refusals that name the fix; built so AI agents can send on your behalf. The hosted MCP server at https://api.agentisend.com/mcp exposes 82 tools (44 on tools/list; the rest via list_more_tools). A send is one message or a batch of up to 500 items with per-item results. preflight_email runs every gate a real send runs, sends nothing, and costs nothing. Every 4xx returns code, message, and fix. There is no tool for unsolicited mail. Auth is a bearer API key or OAuth 2.1 with dynamic client registration. Starter prompts: "Send this receipt to the customer." "Preflight this send and tell me what would stop it." "What can I spend today?"

Free hosted MCP server that connects ChatGPT and Claude (claude.ai, Claude Code) to multiple Gmail, Google Calendar, Google Drive (read-only) and Google Contacts accounts, Slack workspaces and Notion through one connection URL. Search, read and act across every connected account at once, with a memory shared across your AI assistants. OAuth sign-in. Outlook / Microsoft 365 are not supported.

Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.

send-that-email MCP — wraps StupidAPIs, keyless: analyze whether you should send that email…

Retired identity. TrustyCap is published as com.trustycap/trustycap. Install that.

Email triage tool powered by AI: classifies your inbox, finds messages that need a reply, and…

Email infrastructure for AI agents. Give your agent its own inbox: create inboxes, send, reply in-thread, forward, search (keyword + semantic), drafts, custom domains, webhooks and allow/block rules. 21 annotated tools. Authenticate with a SentFromAI API key (sf_live_...) as a bearer token; OAuth sign-in for hosts that support it. Free plan: 5 inboxes, 5,000 emails/month.

Giggal.ai is an email verification tool that runs a deep mailbox existence check on every address and verifies catch-all/accept-all and even SEG protected emails. Your bounce rate stays under 5%, and the 30% of every B2B list that other tools flag as "Risky" becomes deliverable again.

AI that makes and runs your Google and Facebook ads from your own account, with a CRM behind it.

TemwayOAuth

io.github.temway

Visual email & layout builder that turns AI assistants into a Temway authoring studio.

8 MCP servers, 104+ tools: memory, social, PDF, email, images, calendar, scheduler, files.