Your AI agent writes the test once. Optics runs it with no model.
This post first appeared on optics-framework.org , the home of Optics Framework. I work on Optics Framework. Many AI tools for UI tests put a model in control of each test run. Thus, each run has a model cost. Also, the model can go through the app in a different sequence each time. Optics Framework uses the model at a different point. Your AI agent goes through the app one time through the…
This post from Optics Framework explains how it can generate CSV test suites without using a model in each run. Claude Code, an AI agent, takes control of a web application once through the Optics MCP server and then writes a test suite as CSV files. Each subsequent run replays the test suite without needing a model. The Optics MCP server provides 41 tools, with 38 of them being Optics keywords for interacting with the app, and 3 tools for controlling the session.
After writing the test files, the agent runs optics dry_run to verify the test suite, and the suite passes. The test suite is composed of 5 modules in sequence, with 10 runs of the suite passing with no model cost.
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