This record as markdown: /tools/kiln/splice-mesh-at-z.md
What splice_mesh_at_z does on Kiln
AI agents invoke splice_mesh_at_z to trigger actions in Kiln. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why splice_mesh_at_z is rated High
The name suggests a mesh modification operation — cutting or splitting a 3D mesh at a given Z coordinate. This is likely a Write or Execute operation that modifies geometry. Given the context of a 3D printer control server with mesh manipulation siblings (add_mesh_chamfer, add_mesh_fillet), this is most likely a destructive-ish mesh transformation. However, with an empty description, confidence is low.
From the tool's definition Tool name 'splice_mesh_at_z' and empty description. Inferred from name: modifies a 3D mesh by splicing/cutting at a Z-plane level.
Attacks that exploit this kind of access
The rule that runs splice_mesh_at_z safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Kiln, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For splice_mesh_at_z, this is the rule to start with:
splice_mesh_at_z stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Kiln, apply this rule, and every splice_mesh_at_z call is checked against it from then on.
Questions about splice_mesh_at_z
splice_mesh_at_z is a execute tool on the Kiln MCP server. It is categorised as a Execute tool in the Kiln MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Kiln MCP server in PolicyLayer and add a rule for splice_mesh_at_z: 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 Kiln. Nothing to install.
splice_mesh_at_z is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the splice_mesh_at_z 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 splice_mesh_at_z. 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.
splice_mesh_at_z is provided by the Kiln MCP server (codeofaxel/Kiln). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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