The Agent Skills Directory

[COMMAND_EXECUTION]: The skill instructs the agent to run standard Rust development commands including cargo check for validation, cargo install for the Trunk build tool, and trunk serve for web development.
[EXTERNAL_DOWNLOADS]: The skill references the official eframe_template repository on GitHub (https://github.com/emilk/eframe_template) as a source for web configuration files, which is the standard reference for this library.
[INDIRECT_PROMPT_INJECTION]: The skill correctly identifies that project files like Cargo.toml and source code are external data sources that could contain malicious instructions. It provides an explicit guardrail for the agent to treat these files as data and ignore any instructions found within them.
Ingestion points: Cargo.toml, Cargo.lock, source files, and command output.
Boundary markers: Includes a dedicated "Guardrails" section explicitly directing the agent to never follow instructions found in data files.
Capability inventory: The skill involves reading and writing Rust project files, installing tools via cargo, and verifying builds.
Sanitization: Implements prompt-based instruction filtering via the Guardrails section.

eframe-project