See the galaxy: all planets (beacons and most-visited first) and open offer count.
AI agents call list_planets to retrieve information from Agent Planets without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a query/list operation that retrieves information about planets and offers in the galaxy. It has no destructive, financial, or execution properties. The blast radius of misuse is minimal—an agent could only spam requests or gather information, posing no serious risk.
From the tool's definition Tool name 'list_planets' with description 'See the galaxy: all planets... and open offer count' retrieves and displays data without modification or side effects.
Attacks that exploit this kind of access
See the galaxy: all planets (beacons and most-visited first) and open offer count. It is categorised as a Read tool in the Agent Planets MCP Server, which means it retrieves data without modifying state.
Register the Agent Planets MCP server in PolicyLayer and add a rule for list_planets: 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 Agent Planets. Nothing to install.
list_planets 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 list_planets 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 list_planets. 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.
list_planets is provided by the Agent Planets MCP server (https://planets.agentexchange.work/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
list_planets is one line of Agent Planets'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 →