lazyteams

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TUI client for Microsoft Teams running 100% in the terminal — no Electron, no web browser overhead (~30MB RAM vs 1.5GB). Built with Clean Architecture + Elm Architecture (Bubble Tea).

Why lazyteams?

Most command-line Teams projects rely on simple public OAuth device flows that fail immediately in corporate and university tenants with AADSTS65002 because non-admin users cannot register third-party Azure AD apps.

lazyteams was designed from the ground up to solve this: it uses a hybrid architecture that logs in via your institution's genuine web session once, bypassing administrative blocks and granting access to internal endpoints like Teams Assignments and ChatSvc.

Feature	Official Teams (Electron)	Other Terminal TUIs	lazyteams
Memory Footprint	~1.5 GB	~25 MB	~30 MB
University / Enterprise SSO	Yes	Fails (AADSTS65002)	100% Compatible (SAML / Duo / MFA)
Requires Azure Admin Approval	No (Pre-approved)	Yes (Blocks non-admins)	No IT Admin approval needed
Teams Assignments (Homework)	Yes	Not supported	Full View / Upload / Submit / Undo
Paste Images from Clipboard	Yes	Limited or Broken	Native (Ctrl+P via AMS upload)
Thread Replies & Reactions	Yes	Partial	Full thread trees & emoji counts
Zero Webview in TUI Runtime	Electron bloat	Native TUI	Pure terminal (Bubble Tea + Lipgloss)

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Highlights

• Education & Assignments (Exclusive): The only TUI with first-class support for Microsoft Teams Assignments. View deadlines, upcoming/overdue filters, download reference materials, upload deliverables, and submit or undo submission directly from the terminal.
• Full Chat & Threads: Send, edit, and delete messages. Full thread replies, @mentions autocomplete, live search (/), emoji reactions, and instant image pasting from clipboard (Ctrl+P).
• Cloud Files & SharePoint: Deep recursive Drive browser for channels and classes, chunked large file uploads, multi-file downloads, inline text preview, and folder creation/deletion.
• Enterprise & Channel Management: Create and delete teams/channels, manage members and roles (including private channels via internal APIs), and toggle hidden items.
• Direct Messages & User Search: Search external users by exact email, auto-discover personal notes, dynamic sorting by unread status and activity, and real-time presence indicators (Available, Busy, DND, Away).
• Responsive & Mobile Mode: Adaptive layout for narrow terminals, tmux panes, or mobile SSH clients (Ctrl+B, automatically adapts below 120 columns).

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The Enterprise & University SSO Solution (lazyteams-auth)

Why are there two binaries (lazyteams and lazyteams-auth)?

1. The Problem: In corporate and educational tenants (universities, hospitals, enterprises), IT administrators restrict third-party OAuth app registrations. Standard CLI clients fail with errors like AADSTS65002 or require unattainable Global Admin consent.
2. The Solution: lazyteams-auth launches an authentic, isolated browser session once. You sign in through your organization's official SSO portal (supporting 2FA, Duo, Authenticator, or hardware keys).
3. Headless TUI: Once the session tokens are safely saved to ~/.config/lazyteams/tokens.env (with restricted permissions 0600), the main TUI (lazyteams) runs completely standalone in your terminal. Tokens are automatically refreshed in the background without interrupting your workflow.

[!NOTE] Token renewals for Teams Web, Notifications, and EDU run quietly in headless mode. Renewals for Microsoft Graph and Fabric channels briefly open a visible browser window when required by Microsoft. Full token lifecycle details are covered in the documentation.

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Quick Start

Option 1: Pre-built Binaries (Recommended)

Download the latest release for Linux, macOS, or Windows from GitHub Releases:

# Extract the archive
tar -xzf lazyteams-linux-amd64.tar.gz

# 1. Authenticate once with your work/university account
./lazyteams-auth

# 2. Start the TUI
./lazyteams

Option 2: Build from Source

Prerequisites: Go 1.22+ and a Microsoft Teams account (Enterprise or Education).

# Clone the repository
git clone https://github.com/agmonetti/lazyteams.git
cd lazyteams

# Build both binaries
go build -o lazyteams .
go build -o lazyteams-auth ./cmd/auth-helper/

# Capture tokens (first run, interactive login)
./lazyteams-auth

# Launch lazyteams
./lazyteams

[!TIP] First-time setup requires granting Microsoft Graph consent once (see the setup guide). After initial capture, expired tokens are renewed automatically in the background.

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Workspaces & Keybindings

lazyteams organizes your workflow into four dedicated workspaces:

• F1 Teams & Channels: Browse joined teams, channel discussions, and cloud files.
• F2 Direct Messages: 1:1 and group chats, unread badges, and contact presence.
• F3 Activity: Centralized notification feed (mentions, replies, reactions) with instant thread jump.
• F4 Assignments: Classes, coursework, upcoming/overdue tasks, file uploads, and submissions.

Press ? anywhere inside the application to open the interactive keyboard shortcuts cheat sheet.

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Self-Updating

Keep lazyteams up to date with a single command:

./lazyteams --update

This checks GitHub Releases for new versions, verifies the SHA-256 checksums, and safely replaces both the TUI and the auth helper binaries.

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Documentation

Comprehensive guides, architecture overviews, and troubleshooting:

• Official Documentation
• First-Time Setup Walkthrough
• Auth Process Demo
• Troubleshooting Guide
• FAQ
• Security Model (SECURITY.md)

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Disclaimer & Responsible Use

• Educational and Productivity Tool: Operates on already-authenticated Microsoft Teams user sessions. Does not distribute proprietary Microsoft binaries or bypass user access controls.
• Not affiliated with, endorsed by, or sponsored by Microsoft Corporation. Microsoft and Microsoft Teams are trademarks of Microsoft Corporation.
• Use lazyteams only with accounts and organizations you are authorized to access, in compliance with applicable organizational policies.

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License

This project is licensed under the GNU General Public License v3.0 (GPLv3). See the LICENSE file for details.