query_series
AI agents call query_series to retrieve information from DICOM MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears to retrieve or search series-level DICOM data without modifying it. While the description is empty, the naming pattern and sibling tools strongly indicate a read operation that queries medical imaging metadata.
From the tool's definition Tool name 'query_series' and server context describes 'query' operations on DICOM servers. Sibling tools include 'query_patients', 'query_studies', and 'query_instances' which are explicitly read operations.
Attacks that exploit this kind of access
query_series. It is categorised as a Read tool in the DICOM MCP Server MCP Server, which means it retrieves data without modifying state.
Register the DICOM MCP Server MCP server in PolicyLayer and add a rule for query_series: 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 DICOM MCP Server. Nothing to install.
query_series 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 query_series 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 query_series. 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.
query_series is provided by the DICOM MCP Server MCP server (y5ive9ine/dicom-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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