test-zeus-ai/testzeus-hercules

Hercules is the world’s first open-source testing agent, enabling UI, API, Security, Accessibility, and Visual validations – all without code or maintenance. Automate testing effortlessly and let Hercules handle the heavy lifting! ⚡

What it solves

Hercules is an open-source testing agent designed to automate end-to-end (E2E) testing for modern web applications. It eliminates the need for manual coding of test scripts by allowing users to write test cases in plain English using Gherkin syntax, which the agent then executes autonomously.

How it works

Hercules uses a LangGraph-based state graph to orchestrate the testing process. A planner node converts Gherkin feature files into structured JSON plans. These plans are routed to specialized navigation helpers (such as browser, API, security, or SQL agents) that use LangChain StructuredTool objects to interact with the application. For web testing, it leverages Playwright to perform actions like clicking, entering text, and navigating URLs. The system supports a Python sandbox for executing custom scripts and can connect to remote browser instances via CDP endpoints.

Who it’s for

It is designed for software testers, QA engineers, and product owners who want to deliver reliable software without requiring deep coding skills to write automated tests.

Highlights

  • Natural Language Testing: Converts Gherkin steps into fully automated E2E tests.
  • Multi-Agent Architecture: Uses separate agents for planning, navigation, memory, and helper tasks.
  • Vision Capabilities: Supports visual validations and assertions to check application components and snapshots.
  • Extensible Execution: Includes a Python sandbox for running custom automation workflows and business logic with full Playwright access.
  • Comprehensive Reporting: Generates JUnit XML results, HTML reports, video recordings, and network logs for every run.
  • Broad Model Support: Compatible with OpenAI, Anthropic, Gemini, and local models via Ollama.

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