AI agents call misp_get_galaxy to retrieve information from Misp without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves threat intelligence reference data without side effects. It performs a read-only lookup of galaxy clusters used for correlation and analysis in MISP. No data is created, modified, deleted, or executed. The blast radius of misuse is minimal - an attacker could only learn which galaxies exist, which is non-sensitive intelligence framework metadata.
From the tool's definition Tool description states 'Get a specific galaxy with its clusters' - the verb 'Get' and the absence of any modification language indicate pure data retrieval.
Attacks that exploit this kind of access
Get a specific galaxy with its clusters (e.g., MITRE ATT&CK techniques, threat actor profiles). It is categorised as a Read tool in the Misp MCP Server, which means it retrieves data without modifying state.
Register the Misp MCP server in PolicyLayer and add a rule for misp_get_galaxy: 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 Misp. Nothing to install.
misp_get_galaxy 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 misp_get_galaxy 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 misp_get_galaxy. 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.
misp_get_galaxy is provided by the Misp MCP server (solomonneas/misp-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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