The Agent Skills Directory

[COMMAND_EXECUTION]: Uses shell commands such as git diff and rg to inspect project files and determine which source files have changed.
[EXTERNAL_DOWNLOADS]: Recommends initializing the project with stryker using npm init stryker@latest, which downloads the tool from the official NPM registry.
[REMOTE_CODE_EXECUTION]: Executes the project's own test suite through the Stryker CLI tool to identify surviving mutants.
[PROMPT_INJECTION]: Evaluated as a potential surface for indirect prompt injection. Ingestion points: Reads project source files and test reports via git diff and rg in SKILL.md. Boundary markers: None identified. Capability inventory: Executes shell commands (npm, stryker) and provides instructions for modifying project files to strengthen tests. Sanitization: None identified.

mutation-testing