hippo_prompt_skeleton
FORGIA #323 — Round 40: markdown prompt skeleton
This record as markdown: /tools/verimem/hippo-prompt-skeleton.md
What hippo_prompt_skeleton does on Verimem
AI agents call hippo_prompt_skeleton to retrieve information from Verimem without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why hippo_prompt_skeleton is rated Low
The tool appears to provide a prompt template or skeleton in markdown format. This is a read-like operation—it retrieves or generates a structured artifact without side effects, modification of persisted data, or execution of external operations. The cryptic reference 'FORGIA #323 — Round 40' does not clarify destructive or execute semantics.
From the tool's definition Tool name 'hippo_prompt_skeleton' and description 'markdown prompt skeleton' indicate retrieval or generation of a template/skeleton structure. No modification, deletion, code execution, or financial operations are implied.
Attacks that exploit this kind of access
The rule that runs hippo_prompt_skeleton safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Verimem, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hippo_prompt_skeleton, this is the rule to start with:
hippo_prompt_skeleton is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Verimem, apply this rule, and every hippo_prompt_skeleton call is checked against it from then on.
Questions about hippo_prompt_skeleton
FORGIA #323 — Round 40: markdown prompt skeleton. It is categorised as a Read tool in the Verimem MCP Server, which means it retrieves data without modifying state.
Register the Verimem MCP server in PolicyLayer and add a rule for hippo_prompt_skeleton: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Verimem. Nothing to install.
hippo_prompt_skeleton is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the hippo_prompt_skeleton rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for hippo_prompt_skeleton. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
hippo_prompt_skeleton is provided by the Verimem MCP server (aureliocpr-ctrl/verimem). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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