built_in_variables_revert
[WRITE] Revert changes to a built-in variable in the workspace to the original container version.
This record as markdown: /tools/io-github-samarthanalytics-sj-samarth-gtm-mcp/built-in-variables-revert.md
What built_in_variables_revert does on Samarth Gtm Mcp
AI agents use built_in_variables_revert to create or update resources in Samarth Gtm Mcp, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Samarth Gtm Mcp environment.
Why built_in_variables_revert is rated Medium
This tool modifies GTM configuration state (reverting a built-in variable), which is a reversible write operation. While it restores to a previous state rather than creating new data, it still changes the active workspace configuration.
From the tool's definition Tool name 'built_in_variables_revert' explicitly marked '[WRITE]' in description; revert action modifies GTM workspace state by restoring a built-in variable to a prior version.
Attacks that exploit this kind of access
The rule that runs built_in_variables_revert 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_revert, this is the rule to start with:
built_in_variables_revert stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. 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_revert call is checked against it from then on.
Questions about built_in_variables_revert
[WRITE] Revert changes to a built-in variable in the workspace to the original container version. It is categorised as a Write tool in the Samarth Gtm Mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Samarth Gtm MCP server in PolicyLayer and add a rule for built_in_variables_revert: 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_revert is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the built_in_variables_revert 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_revert. 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_revert 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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