tags_create
[WRITE] Create a new GTM tag. Requires GTM_MCP_ENABLE_WRITES=true and confirm=true.
This record as markdown: /tools/io-github-samarthanalytics-sj-samarth-gtm-mcp/tags-create.md
What tags_create does on Samarth Gtm Mcp
AI agents use tags_create 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 tags_create is rated Medium
This tool creates new Google Tag Manager tags, which modifies GTM configuration but does not irreversibly delete data or execute arbitrary code. The effect is confined to GTM tag creation and is reversible, making it a Write operation. Severity is medium because misconfigured tags could send data to wrong destinations or cause tracking issues, but the damage is limited and remediable.
From the tool's definition Tool name is 'tags_create' and description explicitly states '[WRITE] Create a new GTM tag'. The action is reversible (tags can be deleted or modified), and requires gating flags (GTM_MCP_ENABLE_WRITES=true and confirm=true) indicating controlled access.
Attacks that exploit this kind of access
The rule that runs tags_create 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 tags_create, this is the rule to start with:
tags_create 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 tags_create call is checked against it from then on.
Questions about tags_create
[WRITE] Create a new GTM tag. Requires GTM_MCP_ENABLE_WRITES=true and confirm=true. 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 tags_create: 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.
tags_create 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 tags_create 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 tags_create. 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.
tags_create 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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