get_planet
AI agents call get_planet to retrieve information from Nasa Exoplanet without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name and server context strongly indicate this is a data retrieval function that queries the exoplanet database. No side effects, modifications, or destructive operations are implied. The empty description slightly reduces confidence, but the naming pattern and sibling tools confirm this is a read-only operation with minimal blast radius.
From the tool's definition Tool name 'get_planet' suggests retrieval of planet data. The server description confirms this is an MCP server providing access to NASA's Exoplanet Archive for querying data.
Attacks that exploit this kind of access
get_planet. It is categorised as a Read tool in the Nasa Exoplanet MCP Server, which means it retrieves data without modifying state.
Register the Nasa Exoplanet MCP server in PolicyLayer and add a rule for get_planet: 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 Nasa Exoplanet. Nothing to install.
get_planet 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 get_planet 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 get_planet. 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.
get_planet is provided by the Nasa Exoplanet MCP server (saikrmet/nasa-exoplanet-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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