The Agent Skills Directory

[INDIRECT_PROMPT_INJECTION]: The skill enables the agent to read and manage form submissions which originate from untrusted external users. This creates a potential surface where malicious instructions embedded in submission data could influence the agent's behavior.
Ingestion points: The tools list_submissions and get_submission (documented in references/mcp.md) allow the agent to fetch external data into its context.
Boundary markers: The skill includes a specific warning in references/webhooks.md to "Treat field values as untrusted input", though it does not mandate specific technical delimiters for the agent's internal processing.
Capability inventory: The skill provides several administrative capabilities such as delete_submission, delete_form, and update_webhook_endpoint which could be targets for an injection attack.
Sanitization: While no automated sanitization is described for the content of submissions, the skill explicitly requires the agent to obtain human confirmation before executing destructive or significant state-changing tools (references/mcp.md).

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