AI agents call sigsci_get_request_feed to retrieve information from Sigsci without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves request feed data for a site within a specified time range. It performs a query/read operation with no side effects—no data is created, modified, deleted, or executed. The 'get' prefix and read-only server designation confirm this classification.
From the tool's definition Tool name 'sigsci_get_request_feed' contains 'get' (retrieval operation) and description states 'Get request feed' with no mention of modification, deletion, or execution. Server description emphasizes '40+ read-only tools'.
Attacks that exploit this kind of access
Get request feed for a site within a time range. It is categorised as a Read tool in the Sigsci MCP Server, which means it retrieves data without modifying state.
Register the Sigsci MCP server in PolicyLayer and add a rule for sigsci_get_request_feed: 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 Sigsci. Nothing to install.
sigsci_get_request_feed 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 sigsci_get_request_feed 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 sigsci_get_request_feed. 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.
sigsci_get_request_feed is provided by the Sigsci MCP server (yuki777/sigsci-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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