The nitrosend blog.

Notes on AI-native email, the Model Context Protocol, and how email marketing changes when an agent does the work.

Essay

Shipping software with AI you don't trust

Why nothing an agent says about its own work counts as evidence, and how we use specs, ledgers, and adversarial review to ship code anyway.

14 min read
Essay

Agentic email: when your inbox writes back

Email isn't a UI problem anymore. It's an agent problem. Here's what that changes about how marketing teams (and solo founders) work.

8 min read
Comparison

The best email API for AI developers in 2026

Resend vs Postmark vs SendGrid vs nitrosend, evaluated specifically for developers building AI products and agents.

12 min read
How-to

Email marketing for vibe coders

You shipped your app in a weekend. Your email marketing should take an afternoon, not a quarter. Here's the new stack.

6 min read
Tutorial

How to send email from Claude

Three commands. Five minutes. Your first transactional and marketing email, sent from a Claude conversation.

5 min read
Ranking

Best transactional email APIs in 2026

An honest, ranked shortlist of transactional email APIs, scored on DX, deliverability, pricing, and AI surface area.

10 min read
Ranking

Best MCP servers for developers

Which MCP servers are worth wiring into Claude, Cursor, and Codex right now, and what each one actually does well.

9 min read
Ranking

Best email platforms for AI agents

Which email platforms an agent can actually operate end-to-end today, ranked by MCP surface, automation depth, and BYO support.

8 min read
Reference

Glossary: email, MCP, and agent terms

Plain-English definitions for agentic email, MCP, transactional email, BYO sending keys, and more.

Reference