AI agents call get-media-ancestors-batch to retrieve information from Mcp Dev without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves hierarchical metadata (ancestor chain/breadcrumb) for media items. It performs a query operation with no side effects, no data modification, no code execution, and no destructive actions. The read-only nature is confirmed by the 'get-' prefix and the 'Returns one entry per requested Id' phrasing indicating data retrieval only.
From the tool's definition Tool name contains 'get-' and description explicitly states it 'Gets the ancestor chain (breadcrumb) for multiple media Ids in one call.' Returns data without modification.
Attacks that exploit this kind of access
Gets the ancestor chain (breadcrumb) for multiple media Ids in one call. Returns one entry per requested Id, each containing that Id. It is categorised as a Read tool in the Mcp Dev MCP Server, which means it retrieves data without modifying state.
Register the Mcp Dev MCP server in PolicyLayer and add a rule for get-media-ancestors-batch: 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 Mcp Dev. Nothing to install.
get-media-ancestors-batch 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 get-media-ancestors-batch 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 get-media-ancestors-batch. 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.
get-media-ancestors-batch is provided by the Mcp Dev MCP server (@umbraco-cms/mcp-dev). 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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