Get a summary of faults by severity
AI agents call get_fault_summary to retrieve information from ACI 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 and queries existing fault information from the ACI fabric for monitoring and diagnostics purposes. It performs no side effects, creates no resources, executes no commands, and deletes no data. It is a read-only data retrieval operation, which is the lowest risk category.
From the tool's definition Tool name 'get_fault_summary' and description 'Get a summary of faults by severity' indicate a retrieval operation that queries fault data without modifying or deleting any infrastructure.
Attacks that exploit this kind of access
Get a summary of faults by severity. It is categorised as a Read tool in the ACI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ACI MCP Server MCP server in PolicyLayer and add a rule for get_fault_summary: 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 ACI MCP Server. Nothing to install.
get_fault_summary 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_fault_summary 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_fault_summary. 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_fault_summary is provided by the ACI MCP Server MCP server (jim-coyne/aci_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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