The Agent Skills Directory

[EXTERNAL_DOWNLOADS]: The skill provides instructions to download and install a command-line tool from the author's repositories.
Evidence: Installation commands include npx -y @mvanhorn/printing-press-library install navitime --cli-only and go install github.com/mvanhorn/printing-press-library/library/travel/navitime/cmd/navitime-pp-cli@latest. These sources correspond to the skill author's infrastructure.
[COMMAND_EXECUTION]: The skill is designed to invoke the navitime-pp-cli binary via the bash environment to process travel queries.
Evidence: The skill utilizes the Read Bash tool to run commands such as navitime-pp-cli places search and navitime-pp-cli routes search.
[INDIRECT_PROMPT_INJECTION]: The skill processes data fetched from external travel services (NAVITIME), which acts as a potential injection surface.
Ingestion points: Data is ingested via the search results returned by the navitime-pp-cli tool from NAVITIME services.
Boundary markers: No explicit boundary markers or specialized instructions are defined to separate external data from agent instructions.
Capability inventory: The skill has the capability to execute shell commands and read/write to a local cache directory.
Sanitization: There is no documentation of sanitization or validation performed on the external travel data before it is presented to the agent.

pp-navitime