built_in_variables_list
List all currently enabled built-in variables in a GTM workspace.
This record as markdown: /tools/io-github-samarthanalytics-sj-samarth-gtm-mcp/built-in-variables-list.md
What built_in_variables_list does on Samarth Gtm Mcp
AI agents call built_in_variables_list to retrieve information from Samarth Gtm Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why built_in_variables_list is rated Low
This tool queries and returns information about enabled built-in variables in a GTM workspace. It performs a read-only operation with no data modification, execution of code, destructive actions, or financial impact. The server description confirms 'read-only by default', and this tool fits that pattern. Severity is low because listing configuration metadata poses minimal risk even if misused by an agent.
From the tool's definition Tool name contains 'list' and description states 'List all currently enabled built-in variables' — a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs built_in_variables_list safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Samarth Gtm Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For built_in_variables_list, this is the rule to start with:
built_in_variables_list 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 Samarth Gtm Mcp, apply this rule, and every built_in_variables_list call is checked against it from then on.
Questions about built_in_variables_list
List all currently enabled built-in variables in a GTM workspace. It is categorised as a Read tool in the Samarth Gtm Mcp MCP Server, which means it retrieves data without modifying state.
Register the Samarth Gtm MCP server in PolicyLayer and add a rule for built_in_variables_list: 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 Samarth Gtm Mcp. Nothing to install.
built_in_variables_list 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 built_in_variables_list 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 built_in_variables_list. 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.
built_in_variables_list is provided by the Samarth Gtm MCP server (samarth-gtm-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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