hippo_outcomes_by_skill
FORGIA #221 — per-skill outcome distribution. For
This record as markdown: /tools/verimem/hippo-outcomes-by-skill.md
What hippo_outcomes_by_skill does on Verimem
AI agents call hippo_outcomes_by_skill 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_outcomes_by_skill is rated Low
This tool appears to retrieve and report outcome statistics grouped by skill categories. It is a read-only query operation that retrieves metrics without side effects. Within the verimem memory system context, it queries stored outcome data. The incomplete description ('For') limits confidence slightly, but the naming convention and function purpose are clearly informational/analytical.
From the tool's definition Tool name 'hippo_outcomes_by_skill' and description 'per-skill outcome distribution' indicate querying or retrieving outcome metrics grouped by skill. The verb 'by' suggests aggregation/reporting of existing data.
Attacks that exploit this kind of access
The rule that runs hippo_outcomes_by_skill 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_outcomes_by_skill, this is the rule to start with:
hippo_outcomes_by_skill 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_outcomes_by_skill call is checked against it from then on.
Questions about hippo_outcomes_by_skill
FORGIA #221 — per-skill outcome distribution. For. 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_outcomes_by_skill: 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_outcomes_by_skill 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_outcomes_by_skill 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_outcomes_by_skill. 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_outcomes_by_skill 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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