This record as markdown: /tools/compliancecow-cow-mcp/fetch-controls.md
What fetch_controls does on ComplianceCow MCP Server
AI agents call fetch_controls to retrieve information from ComplianceCow MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why fetch_controls is rated Low
This tool retrieves compliance controls from the ComplianceCow platform without creating, modifying, or deleting any data. It is a query/retrieval operation with no side effects, making it a Read operation. Severity is low because retrieving compliance control data poses minimal risk even if misused by an AI agent—it would only expose information already accessible to authorized users.
From the tool's definition Tool name 'fetch_controls' and description 'To fetch controls' indicate data retrieval with no modification. The verb 'fetch' is consistent with Read category operations (search, list, get, fetch).
Attacks that exploit this kind of access
The rule that runs fetch_controls safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ComplianceCow MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For fetch_controls, this is the rule to start with:
fetch_controls is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect ComplianceCow MCP Server, apply this rule, and every fetch_controls call is checked against it from then on.
Questions about fetch_controls
To fetch controls. It is categorised as a Read tool in the ComplianceCow MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ComplianceCow MCP Server MCP server in PolicyLayer and add a rule for fetch_controls: 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 ComplianceCow MCP Server. Nothing to install.
fetch_controls 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 fetch_controls 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 fetch_controls. 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.
fetch_controls is provided by the ComplianceCow MCP Server MCP server (compliancecow/cow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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