Data \u00b7 query timeBuckets. Variables: filter. Example variables: {\
AI agents call time_buckets to retrieve information from ReliaQuest GreyMatter MCP Server 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 time-bucketed data (likely aggregated time-series or temporal data for incident response/analytics purposes) using a filter parameter. No modification, deletion, execution, or financial operations are indicated. The 'query' operation with read-only parameters is characteristic of Read category tools.
From the tool's definition Tool name and description indicate 'query timeBuckets' with a filter variable. The verb 'query' combined with the domain-specific naming pattern ('timeBuckets' as a data retrieval operation) suggests data retrieval without modification.
Attacks that exploit this kind of access
Data \u00b7 query timeBuckets. Variables: filter. Example variables: {\. It is categorised as a Read tool in the ReliaQuest GreyMatter MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ReliaQuest GreyMatter MCP Server MCP server in PolicyLayer and add a rule for time_buckets: 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 ReliaQuest GreyMatter MCP Server. Nothing to install.
time_buckets 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 time_buckets 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 time_buckets. 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.
time_buckets is provided by the ReliaQuest GreyMatter MCP Server MCP server (space-c0wboy/reliaquest-greymatter-mcp-server). 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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