tag_frequencies
AI agents call tag_frequencies to retrieve information from Vector Task MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name implies retrieving or computing frequency metrics about tags in the task management system—a read-only query operation with no side effects. Despite the empty description reducing confidence slightly, the naming pattern and peer tools strongly suggest this is a data retrieval function.
From the tool's definition Tool name 'tag_frequencies' suggests querying frequency statistics of tags; description is empty but context indicates a task management/vector search system where frequency queries are non-destructive read operations.
Attacks that exploit this kind of access
tag_frequencies. It is categorised as a Read tool in the Vector Task MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Vector Task MCP Server MCP server in PolicyLayer and add a rule for tag_frequencies: 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 Vector Task MCP Server. Nothing to install.
tag_frequencies 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 tag_frequencies 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 tag_frequencies. 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.
tag_frequencies is provided by the Vector Task MCP Server MCP server (xsaven/vector-task-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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