List rules at corporation level
AI agents call list_corp_rules to retrieve information from Fastly NGWAF 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 queries existing firewall rules at the corporation level without creating, modifying, deleting, or executing any operations. It is a pure data retrieval action with no blast radius if misused by an AI agent.
From the tool's definition Tool name is 'list_corp_rules' and description states 'List rules at corporation level'. The verb 'list' is a retrieval operation with no side effects.
Attacks that exploit this kind of access
List rules at corporation level. It is categorised as a Read tool in the Fastly NGWAF MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Fastly NGWAF MCP Server MCP server in PolicyLayer and add a rule for list_corp_rules: 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 Fastly NGWAF MCP Server. Nothing to install.
list_corp_rules 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_corp_rules 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_corp_rules. 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_corp_rules is provided by the Fastly NGWAF MCP Server MCP server (purpleax/fastlymcp). 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.
Teams ship this data inside their own products. See what a licence covers →