List all available personas in GalaxyMCP
AI agents call list_personas to retrieve information from GalaxyMCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and enumerates existing personas without creating, modifying, or deleting any data. It is a non-destructive read operation with minimal blast radius if misused by an AI agent—at worst, it exposes the list of available personas but makes no changes to system state.
From the tool's definition Tool name 'list_personas' and description 'List all available personas' indicate a query/retrieval operation with no side effects.
Attacks that exploit this kind of access
List all available personas in GalaxyMCP. It is categorised as a Read tool in the GalaxyMCP Server MCP Server, which means it retrieves data without modifying state.
Register the GalaxyMCP Server MCP server in PolicyLayer and add a rule for list_personas: 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 GalaxyMCP Server. Nothing to install.
list_personas 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_personas 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_personas. 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_personas is provided by the GalaxyMCP Server MCP server (vaibhavkkk/mcp-server). 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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