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2026-10-02 · 7 facts · 4 sources

e2e: test your app in plain English

vhs

The script

Screen 1
Test your app in plain English.[3]
Screen 2
~449K views on the launch post. Meet e2e. Made by TesterArmy. Open source. Free to use. One command to start: npx e2e init[1][2][4][5]
Screen 3
Say it. Write what you want. An AI clicks through.[3]
Screen 4
Check it. AI does the steps. Code checks the result. Passed.[3]
Screen 5
Replay it. It remembers the clicks. Run 2: replay, zero AI calls, until your app changes.[6]
The six AI calls shown for run 1 are an illustration.
Screen 6
Web. Mobile. Your own AI.[7]
Screen 7
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Facts

  1. The launch post got about 449K views.
    “His launch post pulled about 449K views.”
    AGTP on X: TesterArmy's Oskar just launched e2e · Second-hand · Second-hand count from a search result; we could not open the X post itself.
  2. Oskar from TesterArmy announced e2e on October 1, 2026.
    “Introducing e2e The agentic testing framework for any app”
    Oskar (@o_kwasniewski) on X: Introducing e2e · Original · Read from a search result; X blocks direct reading.
  3. You describe a goal in plain language, an AI agent drives the app, and code checks the result.
    “Describe a goal in natural language and an agent drives the app to reach it. Check the result with locators and assertions in the same test.”
    TesterArmy on GitHub: tester-army/e2e README · Original
  4. It is open source under the Apache-2.0 licence.
    “TesterArmy has open-sourced it under Apache-2.0”
    TestMu AI: e2e by TesterArmy: Open-Source Agentic E2E Testing Explained · Independent
  5. One command starts it: npx e2e init.
    “npx e2e init”
    TesterArmy on GitHub: tester-army/e2e README · Original
  6. Once a step passes, the next run replays it with no AI calls until the app changes.
    “An agent step that a later assertion verifies records its actions, and the next run replays them with no model calls until the app changes.”
    TesterArmy on GitHub: tester-army/e2e README · Original
  7. It runs on web browsers and on iOS and Android, with your own AI subscription, key or local model.
    “Browser engine: Chromium, Firefox, and WebKit through Playwright. … iOS and Android engine … Bring your own subscription, API key, or local model.”
    TesterArmy on GitHub: tester-army/e2e README · Original

Sources

Original

Independent

Second-hand

Caption

Test your app in plain English.

Sources:
• TesterArmy on GitHub: https://github.com/tester-army/e2e
• Oskar (@o_kwasniewski) on X: https://x.com/o_kwasniewski/status/2105675143464763540
• TestMu AI: https://www.testmuai.com/blog/e2e-by-testerarmy/
Every source → https://superviral.lol/e2e

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