Show resource in state
AI agents call tf_state_show to retrieve information from Terraform MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool reads and displays Terraform state information about resources. The verb 'show' combined with the description clearly indicates a read-only retrieval operation. While Terraform state contains sensitive information (which could justify medium severity in some contexts), the tool itself performs no destructive, write, execute, or financial operations.
From the tool's definition Tool name 'tf_state_show' and description 'Show resource in state' indicate a query/display operation that retrieves and displays state information without modifying infrastructure or data.
Attacks that exploit this kind of access
Show resource in state. It is categorised as a Read tool in the Terraform MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Terraform MCP Server MCP server in PolicyLayer and add a rule for tf_state_show: 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 Terraform MCP Server. Nothing to install.
tf_state_show 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 tf_state_show 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 tf_state_show. 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.
tf_state_show is provided by the Terraform MCP Server MCP server (mjrestivo16/mcp-terraform). 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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