Steamauto

Automate sending and receiving trades across Steam and several listed trading sites with Steamauto.

github.com/Steamauto/Steamauto
Steamauto homepage screenshot

About Steamauto

Steamauto is an open-source Python tool that runs locally to automate sending items for orders on BUFF, Youpin, ECOSteam, C5Game, and Steam. It accepts shipping offers, initiates CS2 seller offers on BUFF, manages Youpin sale and lease listings, syncs ECOSteam listings, and sends status notifications through Apprise services.

Use requires editing local JSON5 configuration files with Steam login details, platform logins, tokens, API keys, and an RSA key for ECOSteam. BUFF handling is limited to shipping offers marked type 3/6/8 and does not cover purchase or buy-request offers.

Key features

  • Auto-accept shipping offers on BUFF, Youpin, ECOSteam, and C5Game
  • Auto-initiate CS2 seller shipping offers on BUFF
  • Auto-list Youpin items for sale or lease and adjust prices
  • Sync ECOSteam sale listings with BUFF and Youpin
  • Auto-accept Steam gift offers with no outgoing inventory items
  • Send login, shipping, failure, and report notifications via Apprise
Best for: Sellers who fulfill and list Steam item orders across BUFF, Youpin, ECOSteam, and C5Game.
Good for
  • Open-source code published on GitHub under AGPL-3.0.
  • Covers shipping, listing, repricing, and notifications across five platforms in one setup.
  • Per-platform plugins can be enabled or disabled in configuration.
Watch out for
  • BUFF plugin only processes shipping offers marked type 3/6/8, not purchase or buy-request offers.
  • Setup requires Steam credentials, platform logins, tokens, API keys, and an RSA private key for ECOSteam.
  • Multiple accounts require separate program copies run in different folders.

Steamauto at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Steamauto FAQ

Can Steamauto handle seller-initiated offers?
Yes. When buff_auto_accept_offer is enabled, it automatically initiates and processes CS2 seller shipping offers, submitting an encrypted Steam cookie to BUFF.
How do I turn off automatic shipping on BUFF?
Set buff_auto_accept_offer.enable to false in config/config.json5.
Does it support running multiple accounts?
Yes, but you must copy the program to separate folders and run each copy separately.
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