AI agents call rucio_list_files to retrieve information from Rucio without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name 'rucio_list_files' clearly indicates a read operation that retrieves or enumerates file information from the Rucio system. This is consistent with other read-type tools in the sibling list like 'rucio_get_did', 'rucio_get_distance', and 'rucio_get_dataset_locks' which are query operations. Listing files does not create, modify, delete, execute external operations, or move funds.
From the tool's definition Tool name 'rucio_list_files' indicates a listing/enumeration operation. The 'list' verb typically indicates data retrieval without modification.
Attacks that exploit this kind of access
rucio_list_files. It is categorised as a Read tool in the Rucio MCP Server, which means it retrieves data without modifying state.
Register the Rucio MCP server in PolicyLayer and add a rule for rucio_list_files: 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 Rucio. Nothing to install.
rucio_list_files 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 rucio_list_files 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 rucio_list_files. 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.
rucio_list_files is provided by the Rucio MCP server (kratsg/rucio-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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