hippo_success_factors
FORGIA #303 — Round 19: per-skill success rate based
This record as markdown: /tools/verimem/hippo-success-factors.md
What hippo_success_factors does on Verimem
AI agents call hippo_success_factors 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_success_factors is rated Low
This tool appears to be a reporting/analytics function that queries success rate metrics across skills. It retrieves aggregated performance data for analysis, characteristic of Read category operations. No modification, command execution, data deletion, or financial transaction is indicated.
From the tool's definition Tool name 'hippo_success_factors' and description indicating it retrieves 'per-skill success rate based' metrics. The phrasing suggests querying or analyzing historical success data rather than modifying, executing commands, or destructive operations.
Attacks that exploit this kind of access
The rule that runs hippo_success_factors 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_success_factors, this is the rule to start with:
hippo_success_factors 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_success_factors call is checked against it from then on.
Questions about hippo_success_factors
FORGIA #303 — Round 19: per-skill success rate based. 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_success_factors: 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_success_factors 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_success_factors 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_success_factors. 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_success_factors 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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