AI agents call seam_count to retrieve information from Clo3d without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a pure read operation that queries scene state to return metadata about existing seams. It has no side effects, cannot modify or delete data, and poses minimal security risk if misused by an agent.
From the tool's definition The tool 'seam_count' retrieves the 'number of seamline pair groups (sewings) in the scene' — a query operation that returns a count of existing objects without modifying, deleting, or executing any operations.
Attacks that exploit this kind of access
Number of seamline pair groups (sewings) in the scene. It is categorised as a Read tool in the Clo3d MCP Server, which means it retrieves data without modifying state.
Register the Clo3d MCP server in PolicyLayer and add a rule for seam_count: 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 Clo3d. Nothing to install.
seam_count 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 seam_count 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 seam_count. 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.
seam_count is provided by the Clo3d MCP server (lilbonner/clo3d-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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