Use this before drafting XRC-137 or XRC-729 artifacts.
AI agents call get_xgr_standard_reference 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 or queries reference standards and documentation—a read-only operation with no side effects. It does not modify, execute, or delete anything; it simply provides data to inform downstream operations. The reference lookup has minimal blast radius if misused by an AI agent.
From the tool's definition Tool name 'get_xgr_standard_reference' and description 'Use this before drafting XRC-137 or XRC-729 artifacts' indicate retrieval of reference documentation or standards data to inform subsequent operations.
Attacks that exploit this kind of access
Use this before drafting XRC-137 or XRC-729 artifacts. 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_xgr_standard_reference: 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_xgr_standard_reference 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_xgr_standard_reference 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_xgr_standard_reference. 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_xgr_standard_reference 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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