The Agent Skills Directory

[COMMAND_EXECUTION]: The skill utilizes a shell script (evaluate-session.sh) configured as a session 'Stop' hook. This script performs benign local operations including reading session metadata from a transcript file, counting user messages via grep, and creating a local directory for learned patterns using mkdir. All actions are consistent with the skill's stated purpose.
[EXTERNAL_DOWNLOADS]: The documentation includes a link to a status on X (formerly Twitter) for further reading. This points to a well-known service and is used for informational purposes only, posing no automated execution risk.
[PROMPT_INJECTION]: The skill's primary function is to ingest and process session transcripts, which constitutes an indirect prompt injection surface.
Ingestion points: The evaluate-session.sh script reads the file specified in the GEMINI_TRANSCRIPT_PATH environment variable.
Boundary markers: None identified in the provided scripts; the agent is instructed via standard output to evaluate the session context for patterns.
Capability inventory: The shell script is limited to directory management and local file inspection. The agent is intended to write new skill definitions to a designated local directory (~/.gemini/skills/learned/).
Sanitization: No specific sanitization or filtering of transcript content is performed by the shell script before the agent evaluates it.

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