Read structured events from the local ralph-hero activity log since a cursor. Used by /catch-up to synthesize
AI agents call ralph_hero__recent_activity to retrieve information from Ralph Hero without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical activity log data with no side effects or ability to modify data. It is a straightforward read operation that queries an activity log based on a cursor position. The low severity reflects that access to local activity logs poses minimal risk even if misused by an agent.
From the tool's definition Tool description explicitly states 'Read structured events from the local ralph-hero activity log' and the verb 'Read' is used directly. The function is to retrieve and synthesize activity data without modification.
Attacks that exploit this kind of access
Read structured events from the local ralph-hero activity log since a cursor. Used by /catch-up to synthesize. It is categorised as a Read tool in the Ralph Hero MCP Server, which means it retrieves data without modifying state.
Register the Ralph Hero MCP server in PolicyLayer and add a rule for ralph_hero__recent_activity: 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 Ralph Hero. Nothing to install.
ralph_hero__recent_activity 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 ralph_hero__recent_activity 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 ralph_hero__recent_activity. 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.
ralph_hero__recent_activity is provided by the Ralph Hero MCP server (ralph-hero-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
ralph_hero__recent_activity is one line of Ralph Hero's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →