List all NewRelic accounts accessible with the current API key. Shows account IDs and names. Also indicates the currently configured account.
AI agents call list_available_new_relic_accounts to retrieve information from NewRelic MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and enumerates account metadata without side effects. It is a read-only listing operation that queries account information accessible to the authenticated user. The blast radius of misuse is minimal—an attacker gains visibility into which accounts are available, which is useful for reconnaissance but does not enable unauthorized modifications or financial transactions.
From the tool's definition Tool description states 'List all NewRelic accounts' and 'Shows account IDs and names' — purely informational queries with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
List all NewRelic accounts accessible with the current API key. Shows account IDs and names. Also indicates the currently configured account. It is categorised as a Read tool in the NewRelic MCP Server MCP Server, which means it retrieves data without modifying state.
Register the NewRelic MCP Server MCP server in PolicyLayer and add a rule for list_available_new_relic_accounts: 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 NewRelic MCP Server. Nothing to install.
list_available_new_relic_accounts 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 list_available_new_relic_accounts 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 list_available_new_relic_accounts. 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.
list_available_new_relic_accounts is provided by the NewRelic MCP Server MCP server (ruminaider/newrelic-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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