Use this when the user asks which values occurred for a specific payload field, for example “which DocumentType values occurred?” or “top values for ReasonCategory”.
AI agents call get_xdala_payload_field_value_stats to retrieve information from XGR MCP Gateway without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical statistics about field values in blockchain payloads. It performs aggregation and lookup of existing data with no side effects. No code execution, financial transactions, data modification, or destructive operations are possible. The narrow scope (field value statistics only) and read-only nature make this a straightforward low-severity Read category tool.
From the tool's definition Tool description states 'which values occurred for a specific payload field' and 'top values for' — these are query/retrieval operations with no data modification, deletion, or execution.
Attacks that exploit this kind of access
Use this when the user asks which values occurred for a specific payload field, for example “which DocumentType values occurred?” or “top values for ReasonCategory”. It is categorised as a Read tool in the XGR MCP Gateway MCP Server, which means it retrieves data without modifying state.
Register the XGR MCP Gateway MCP server in PolicyLayer and add a rule for get_xdala_payload_field_value_stats: 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 XGR MCP Gateway. Nothing to install.
get_xdala_payload_field_value_stats 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 get_xdala_payload_field_value_stats 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 get_xdala_payload_field_value_stats. 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.
get_xdala_payload_field_value_stats is provided by the XGR MCP Gateway MCP server (xgr-network/xgr-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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