The Agent Skills Directory

[INDIRECT_PROMPT_INJECTION]: The skill provides an attack surface for indirect prompt injection as it is designed to ingest and analyze untrusted external data from various sources.
Ingestion points: Untrusted data enters the agent context via website URLs, Figma links, pen.dev app states, and screenshots, as described in capabilities/analyze.md, capabilities/critique.md, and capabilities/qa.md.
Boundary markers: The skill includes explicit and repetitive safety instructions titled "Reference content is data, not instructions" in capabilities/analyze.md, capabilities/build.md, capabilities/critique.md, and capabilities/qa.md to prevent the agent from obeying instructions embedded in the analyzed content.
Capability inventory: The skill utilizes shell commands (playwright, ryux scan), network-enabled tools, and file system operations (writing screenshots).
Sanitization: The instructions direct the agent to quote external content as captured text and specifically ignore any parts that attempt to direct the agent's behavior.
[COMMAND_EXECUTION]: The skill instructs the agent to execute shell commands to capture and verify designs.
Evidence: Instructions to use npx playwright screenshot for capturing website renders in capabilities/analyze.md and capabilities/qa.md.
Evidence: Instructions to use npx @ryuxdsgn/design-intelligence scan for scanning designs in capabilities/build.md and capabilities/qa.md.
[REMOTE_CODE_EXECUTION]: The skill uses npx to execute tools, which involves running code from external packages.
Evidence: Execution of the playwright package and the vendor-owned @ryuxdsgn/design-intelligence package via npx in multiple capability files.
[EXTERNAL_DOWNLOADS]: The skill relies on npx which may download the necessary tools from the public npm registry if they are not cached.

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