Productivity MCP Servers

Send transactional email and manage domains, audiences, and broadcasts from any MCP client.

Build and send interactive email campaigns: studio editing, contacts, sending, results.

State document requirements for all 50 US states, an after-a-loss checklist, and a planning gap chec

Business days, meeting overlap and recurrence expansion, deterministic. 3 of 5 tools free.

20 inbox, calendar, travel, meals and family-logistics skill products. 7 of 9 free.

Research a person's public footprint from a name, phone, email, or username. Sourced.

Publish an HTML presentation — a slide deck or scrolling document — at a shareable link.

Regex matching, email/URL format validation, and JSON Schema validation.

Local-first task manager: create, edit, and complete tasks, projects, and checklists via MCP.

Live DNS, email-auth and redirect checks, HTTP security headers, uptime history, PC hardware prices.

Email, phone, domain, URL & OFAC verification; phishing and IBAN checks via x402.

SEC filings, insider trades, 13F, IPO calendar, macro & FX MCP tools via x402.

Verify email addresses and clean lists to improve deliverability and sender reputation.

Verify email addresses in real time and find business email addresses with live mailbox checks.

Free anonymous website, DNS, email and TLS checks, plus read-only access to your monitors.

Anonymous read-only Formula 1 tools, resources, prompts, completion, and interactive dashboard.

Read, organise and send from your existing email accounts. Nothing sends without your approval.

Send real handwritten cards in the US. A machine writes each one in ink, then we mail it.

Send email, SMS & voice and manage delivery via your Pingram account.

Operate your EVERJUST workspace: CRM, sales, projects, mail, documents, calendar, invoicing.

Document a §1001 sale of dead startup stock, SAFEs, notes, or LLC interests — capital loss records

Book window & gutter cleaning in Colorado and New Mexico: instant firm quote, real calendar slot

The first MCP server for physical mail: send postcards and letters, manage lists and campaigns.

Finds, filters, and verifies local-business leads; every email carries a verification receipt.