AI agents call rucio_token_info 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.
This tool appears to retrieve metadata about an authentication token (such as expiry, scope, or validity), which is a read-only information retrieval operation. It has no side effects on data or systems. The confidence is slightly reduced due to the empty description, but the consistent naming pattern with other 'get_*' and '*_info' tools in the Rucio server indicates a read-only function.
From the tool's definition Tool name 'rucio_token_info' indicates retrieval of token information. The suffix '_info' consistently appears on read-only tools in this server (rucio_get_account, rucio_get_did, rucio_get_distance).
Attacks that exploit this kind of access
rucio_token_info. 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_token_info: 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_token_info 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_token_info 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_token_info. 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_token_info 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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