AI agents call list_formats to retrieve information from Rgl without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves a static or semi-static list of available formats from the RGL.gg competitive TF2 database. It performs no modifications, deletions, or external operations—merely enumerating existing data to support the model's understanding of available options. This is a classic Read operation with minimal blast radius if misused.
From the tool's definition Tool name is 'list_formats' and description states 'List all formats (cached)'. The verb 'list' indicates data retrieval with no side effects. The note that data is 'cached' further confirms this is a read-only query operation.
Attacks that exploit this kind of access
List all formats (cached). Useful for the model to discover what formats exist before mapping a phrase. It is categorised as a Read tool in the Rgl MCP Server, which means it retrieves data without modifying state.
Register the Rgl MCP server in PolicyLayer and add a rule for list_formats: 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 Rgl. Nothing to install.
list_formats 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_formats 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_formats. 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_formats is provided by the Rgl MCP server (rglgg/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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