Get legacy Copilot metrics (deprecated endpoint, use org usage for new integrations)
AI agents call copilot_get_legacy_metrics to retrieve information from Sage MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical/legacy metrics data with no side effects. The 'get' operation and the nature of metric retrieval (querying past data) clearly indicate a Read operation. Severity is low because metrics are typically non-sensitive operational data, and the endpoint is deprecated so its impact is further reduced.
From the tool's definition Tool name contains 'get' and description explicitly states it retrieves 'legacy Copilot metrics' from a deprecated endpoint. No modification, deletion, execution, or financial operations are described.
Documented attack patterns abuse exactly the kind of access copilot_get_legacy_metrics gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sage MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for copilot_get_legacy_metrics:
{
"version": "1",
"default": "deny",
"tools": {
"copilot_get_legacy_metrics": {}
}
}copilot_get_legacy_metrics is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get legacy Copilot metrics (deprecated endpoint, use org usage for new integrations). It is categorised as a Read tool in the Sage MCP MCP Server, which means it retrieves data without modifying state.
Register the Sage MCP server in PolicyLayer and add a rule for copilot_get_legacy_metrics: 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 Sage MCP. Nothing to install.
copilot_get_legacy_metrics 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 copilot_get_legacy_metrics 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 copilot_get_legacy_metrics. 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.
copilot_get_legacy_metrics is provided by the Sage MCP server (sagemcp/sagemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 359 Sage MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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359 Sage MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.