Email for agents and humans.
Pipe-friendly, headless-first. Give any agent email, calendar, and contacts in one command.
Features
Agent-native
MCP server built in. Pipe to any agent.
Runs anywhere
SSH, containers, CI. No GUI needed.
Unified email
Google, Microsoft, IMAP. One interface.
Calendar
Read, create, and schedule events.
Contacts
List and sync across every provider.
Sandboxed
Keyring storage. GPG encryption. Your keys stay local.
Guides
Learn by doing
Send Email from the Terminal
Send, read, search, and automate email from your terminal. Works with Gmail, Outlook, and IMAP.
Give AI Agents Email Access via MCP
Connect Claude, Cursor, or VS Code to your inbox and calendar in one command.
Build an LLM Agent with Email and Calendar Tools
Add email and calendar tools to your custom agent. Use Nylas CLI as subprocess tools. No API code.
E2E Email Testing with Playwright
Send and verify transactional emails in tests. Poll with the CLI, parse content, click links.
GPG Encrypted Email from the CLI
Sign, encrypt, and verify email with GPG. Auto-fetches keys from public keyservers.
Manage Calendar from the Terminal
DST-aware event creation, timezone locking, AI scheduling, and break time protection.
Install
One install. Then pipe it to anything.
brew install nylas/nylas-cli/nylas