VS Code API Tool

The tool provides a web-based runtime to send VS Code API requests to a test harness. Users supply API names, payloads, and a mocked context to simulate extension behavior without starting VS Code. It supports single and batch calls, enabling rapid experimentation and regression checks. The sandboxed execution isolates calls, captures results, and normalizes outputs for comparison across scenarios. This centralizes API exploration, error capture, and timing metrics in a single environment, reducing setup overhead for developers and testers. Target users include extension developers, QA engineers, and mentors who need repeatable API experiments with minimal local configuration. Unique differentiators include structured result formatting, integrated payload libraries, and exportable test artifacts that can be reused in CI pipelines. Core features include input validation, sample data presets, an API call builder, and a lightweight inspector for results. Typical workflows involve prototyping a new API usage, validating behavior against expected outcomes, comparing variants, and generating shareable test cases for teams.