Nitrosend

official

Nitrosend's official remote MCP server. Your agent drafts campaigns, builds automation flows, segments contacts and sends transactional email from Claude, ChatGPT, Cursor or Codex. OAuth, free plan.

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What can you do with Nitrosend MCP?

  • Compose and send campaigns — Ask your assistant to draft a full marketing email with subject line, preheader, and body, then send a test preview before going live.
  • Build automation flows — Create multi-step email sequences with triggers, delays, and conditional splits, then schedule, pause, or resend them as needed.
  • Manage audience and segments — Define rule-based contact segments that update automatically, bulk-import contacts from CSV with duplicate handling, and search by attributes, tags, or engagement.
  • Maintain brand consistency — Set brand colors, fonts, and logo once, and create reusable, versioned email templates that match automatically.
  • Monitor performance and delivery — Inspect deliverability, bounces, complaints, and engagement, and get AI-generated insights from campaign and flow performance.
  • Configure account and infrastructure — Add and verify sending domains with DKIM/SPF/DMARC, connect your own providers (SES, Resend, Postmark, Mailgun, SendGrid), and manage billing and account settings.

Hosted MCP Server

npx add-mcp 'https://api.nitrosend.com/mcp'

Installs into Claude Code, Codex, Cursor and more

Documentation

Email built for your AI agent.

Nitrosend was MCP-first from day one. The MCP tools, one install, every AI agent. Claude, ChatGPT, Codex, Cursor, Gemini, Windsurf, VS Code and Zed.

$ claude mcp add --transport http nitrosend https://api.nitrosend.com/mcp

Every agent. One install.

Nitrosend is MCP-native. That means any agent that speaks the Model Context Protocol can do your email marketing for you. Set up a sender, write a campaign, segment your list, send a flow, all in conversation.

It's not a plugin. It's the primary interface.

Claude Code

Anthropic

Cowork

Anthropic

ChatGPT

OpenAI

Codex

OpenAI

Cursor

AI IDE

Gemini CLI

Google

Windsurf

Codeium

VS Code

Microsoft

Zed

AI editor

What your agent can do.

The full surface area of Nitrosend, callable from any MCP client. No partial implementations. No "use the dashboard for that".

nitro_ingest

Import a local, chat, or URL image into reusable email assets.

nitro_compose_campaign

Draft a marketing campaign with subject, preheader, and email body.

nitro_compose_flow

Build a multi-step automation flow with triggers, delays, and splits.

nitro_define_segment

Create rule-based contact segments that update automatically.

nitro_manage_audience

Manage contact lists, tags, and subscriptions.

nitro_search_contacts

Find contacts by attributes, tags, or engagement.

nitro_import_contacts

Bulk import contacts from a CSV with duplicate handling.

nitro_manage_template

Create, update, and version on-brand email templates.

nitro_set_brand_kit

Set brand colors, fonts, logo. Every email matches automatically.

nitro_manage_domains

Add and verify sending domains. DKIM/SPF/DMARC handled.

nitro_configure_providers

Connect BYO sending providers (SES, Resend, Postmark, Mailgun, SendGrid) and AI keys.

nitro_control_delivery

Schedule, pause, or resend campaigns and flows.

nitro_review_delivery

Inspect deliverability, bounces, complaints, and engagement.

nitro_get_insights

AI-generated insights from your campaign and flow performance.

nitro_get_status

Account context, sender identity, readiness, dashboard links, and limits.

nitro_send_test_message

Send a preview to yourself before going live.

nitro_query

Free-form query against your Nitrosend account state.

nitro_set_memory

Persist brand voice, audience strategy, and notes across sessions.

nitro_request_support

Open a support ticket from inside your AI agent.

nitro_configure_account

Set account timezone, defaults, physical address.

nitro_manage_billing

View plan, usage, and billing info.

nitro_select_brand

Switch the active brand for OAuth MCP sessions.

nitro_send_message

Send a single-recipient transactional email or SMS immediately.

Connect any agent.

Anthropic

claude mcp add --transport http \
  nitrosend https://api.nitrosend.com/mcp

OpenAI

Add the official Nitrosend
app from the ChatGPT directory

Official Marketplace plugin

/add-plugin nitrosend
(in the Agent chat, or Add to Cursor at
cursor.com/marketplace/nitrosend)

OpenAI

Same Nitrosend app as ChatGPT,
or: codex mcp add nitrosend --url \
  https://api.nitrosend.com/mcp