AI agents call list_matter_stage_mappings to retrieve information from Smokeball 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 matter-to-stage mappings without modifying, deleting, or executing any operations. It is a straightforward read operation that queries configuration data from a law firm practice management system. The blast radius of misuse is minimal—an agent could only over-retrieve data, which poses no operational risk.
From the tool's definition Tool name includes 'list' which indicates retrieval operation. Description states 'List all matter-to-stage mappings' with action verb 'list' indicating data querying with no modification.
Attacks that exploit this kind of access
List all matter-to-stage mappings. It is categorised as a Read tool in the Smokeball MCP Server, which means it retrieves data without modifying state.
Register the Smokeball MCP server in PolicyLayer and add a rule for list_matter_stage_mappings: 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 Smokeball. Nothing to install.
list_matter_stage_mappings 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_matter_stage_mappings 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_matter_stage_mappings. 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_matter_stage_mappings is provided by the Smokeball MCP server (rosenadvertising/smokeball-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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