The Agent Skills Directory

[COMMAND_EXECUTION]: The skill instructions and the Python diagnostic script use shell commands to analyze the project environment. This includes checking tool versions and running type checks via npx tsc.
[COMMAND_EXECUTION]: The script scripts/ts_diagnostic.py executes hardcoded diagnostic commands using subprocess.run(shell=True) to inspect the local development environment for TypeScript-related issues.
[COMMAND_EXECUTION]: The skill is designed to run scripts defined in the project's package.json file (e.g., npm run typecheck). This is standard behavior for a development expert agent working within a project context.
[EXTERNAL_DOWNLOADS]: The skill recommends using npx to run various TypeScript utilities such as ts-migrate, typesync, and tsx. These tools are fetched from the official npm registry, which is a well-known and standard service for JavaScript development.

typescript-expert