Create a new tagging policy in Infracost Cloud for tag validation in pull requests. Requires INFRACOST_SERVICE_TOKEN environment variable.
AI agents use infracost_cloud_create_tagging_policy to create or update resources in Infracost MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Infracost MCP Server environment.
This is a Write operation because it creates a new tagging policy — a persistent configuration artifact in Infracost Cloud that did not exist before. It is reversible (policies can be updated or deleted via sibling tools like infracost_cloud_delete_tagging_policy and infracost_cloud_update_tagging_policy).
From the tool's definition Tool description explicitly states "Create a new tagging policy" — the verb 'create' indicates the tool makes a new policy artifact in Infracost Cloud.
Attacks that exploit this kind of access
Create a new tagging policy in Infracost Cloud for tag validation in pull requests. Requires INFRACOST_SERVICE_TOKEN environment variable. It is categorised as a Write tool in the Infracost MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Infracost MCP Server MCP server in PolicyLayer and add a rule for infracost_cloud_create_tagging_policy: 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 Infracost MCP Server. Nothing to install.
infracost_cloud_create_tagging_policy 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 infracost_cloud_create_tagging_policy 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 infracost_cloud_create_tagging_policy. 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.
infracost_cloud_create_tagging_policy is provided by the Infracost MCP Server MCP server (phildougherty/infracost_mcp). 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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