获取所有主体列表及其根段、质量分数
AI agents call vicon_get_subjects to retrieve information from Vicon DataStream MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about motion capture subjects (bodies being tracked) and their associated kinematic properties. It performs a read-only query with no ability to modify, delete, or execute operations. The capability is purely informational, making it a Read category risk with low severity since misuse cannot cause harm to the system or data.
From the tool's definition Tool name is 'vicon_get_subjects' and description translates to 'Get list of all subjects and their root segments, quality scores' — a query operation that retrieves data without modification or side effects.
Attacks that exploit this kind of access
获取所有主体列表及其根段、质量分数. It is categorised as a Read tool in the Vicon DataStream MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Vicon DataStream MCP Server MCP server in PolicyLayer and add a rule for vicon_get_subjects: 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 Vicon DataStream MCP Server. Nothing to install.
vicon_get_subjects 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 vicon_get_subjects 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 vicon_get_subjects. 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.
vicon_get_subjects is provided by the Vicon DataStream MCP Server MCP server (ros-claw/vicon-datastream-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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