Get all sibling tiles (other tiles sharing the same parent split)
AI agents call get_siblings to retrieve information from Tiling Trees MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about the tile hierarchy—specifically sibling relationships—with no side effects, data modifications, deletions, or external operations. It is purely a query operation within the research idea organization system.
From the tool's definition Tool name 'get_siblings' and description 'Get all sibling tiles (other tiles sharing the same parent split)' indicate a retrieval operation that queries the hierarchical structure without modifying, deleting, or executing any operations.
Attacks that exploit this kind of access
Get all sibling tiles (other tiles sharing the same parent split). It is categorised as a Read tool in the Tiling Trees MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tiling Trees MCP Server MCP server in PolicyLayer and add a rule for get_siblings: 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 Tiling Trees MCP Server. Nothing to install.
get_siblings 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_siblings 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_siblings. 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_siblings is provided by the Tiling Trees MCP Server MCP server (k-chrispens/tiling-trees-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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