Observed Signal · Apr 25, 2026 · Technical Release · Source: DEV Community · Impact: 1/5 · Sentiment: Neutral
Guide: Nylas CLI auth scopes command
This developer guide explains the Nylas CLI command nylas auth scopes, which displays OAuth permissions granted to a connected account (e.g., email read, email send, calendar, contacts). The article describes how the CLI stores credentials in the system keychain (macOS Keychain, Linux Secret Service, Windows Credential Manager), automatically refreshes tokens, and provides syntax and examples (nylas auth scopes [grant-id]). It highlights a --json flag for machine-readable output and links to full command documentation on cli.nylas.com. The piece is part of a broader Nylas CLI series covering many commands and developer workflows.
Developer documentation for a CLI auth command is useful for Nylas integrators and secure OAuth debugging but has limited impact on the broader AdTech/MarTech industry.
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Key Takeaways & Evidence Grounding
- The Nylas CLI command nylas auth scopes shows OAuth permissions for a connected account (email read, email send, calendar access, contacts access, etc.).
- Credentials are stored in the OS keychain: macOS Keychain, Linux Secret Service, or Windows Credential Manager.
- Nylas CLI refreshes tokens automatically so users authenticate once and subsequent commands work without reauthentication.
- Command syntax: nylas auth scopes [grant-id]; add --json for machine-readable output; full docs at cli.nylas.com/docs/commands/auth-scopes.
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Nylas CLI: List Recent Emails with Filters
A DEV Community post (published 2026-04-26) by Qasim Muhammad documents the Nylas CLI command nylas email list, which fetches recent messages from a connected mailbox and displays them in the terminal. The article details syntax and examples (flags such as --unread, --limit N, --json and optional grant-id), recommended use cases (scripts, cron jobs, CI/CD pipelines, AI agents), and explains that the Nylas CLI abstracts provider differences across Gmail API, Microsoft Graph, Exchange Web Services and raw IMAP. The post is part of a larger 47-part Nylas CLI series and links to the official nylas email list reference, related email commands, and installation instructions.
Nylas CLI: Email Search by Query and Filters
A DEV Community post (Apr 26, 2026) by Qasim Muhammad documents the Nylas CLI command nylas email search, which finds emails matching a query across connected mailboxes. The command works across providers including Gmail, Outlook, Exchange, Yahoo, iCloud and raw IMAP, and supports filters such as sender, date range, read/unread status, and attachment presence. The article shows basic syntax and examples, recommends combining the command with other shell tools for automation, and notes a --verbose debug mode that reveals underlying API requests. It is part of a 47-part Nylas CLI series and links to the full command reference and installation instructions (Homebrew and other methods).
Nylas Calendar: Single API for Multiple Calendars
The post explains Nylas Calendar, a single API and CLI that unifies access to disparate calendar providers (Google Calendar, Microsoft 365/Graph, Apple/iCloud/CalDAV and others). Developers can connect a user once (receiving a grant_id) and then list calendars, read/create events, send RSVPs, compute free/busy availability, handle recurrence via iCalendar RRULE, and auto-create conferencing links through a consistent request schema. The Nylas CLI mirrors HTTP endpoints (commands such as nylas calendar list, events list/create, events rsvp, calendar availability check, calendar find-time) for interactive testing. The article notes provider quirks (e.g., Microsoft Graph may not remove declined events cleanly) and documents the POST /v3/calendars/availability endpoint and a slot-scoring model used by the find-time command.
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