List all Anypoint Observability metric types with names and available attributes inline. Use the returned metric names to compose AMQL queries for metrics_search.
AI agents call metrics_list_types to retrieve information from Anypoint MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about available metrics in the Anypoint Observability system. It has no capability to modify, delete, or execute operations—it only lists and returns information for the purpose of composing subsequent queries. This is a classic Read operation with minimal blast radius if misused by an AI agent.
From the tool's definition Tool name contains 'list' and description explicitly states 'List all Anypoint Observability metric types'.
Attacks that exploit this kind of access
List all Anypoint Observability metric types with names and available attributes inline. Use the returned metric names to compose AMQL queries for metrics_search. It is categorised as a Read tool in the Anypoint MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Anypoint MCP Server MCP server in PolicyLayer and add a rule for metrics_list_types: 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 Anypoint MCP Server. Nothing to install.
metrics_list_types 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 metrics_list_types 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 metrics_list_types. 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.
metrics_list_types is provided by the Anypoint MCP Server MCP server (sravannerella/mulesoft-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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