unity_shadergraph_connect
Connect two nodes in a Shader Graph by creating an edge between an output slot and an input slot.
This record as markdown: /tools/anklebreaker-studio-unity-mcp-server/unity-shadergraph-connect.md
What unity_shadergraph_connect does on Unity MCP Server
AI agents use unity_shadergraph_connect to create or update resources in Unity MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Unity MCP Server environment.
Why unity_shadergraph_connect is rated Medium
Connecting nodes in a Shader Graph modifies the shader's structure and behavior, qualifying as a Write operation. While reversible through disconnection, it alters project state. Severity is medium because shader modifications could affect rendering but are not destructive (can be undone) and don't involve code execution or financial impact.
From the tool's definition The tool description states it creates an edge between nodes in a Shader Graph, which modifies the shader graph structure. This is a data modification operation that changes the visual/logical state of the graph.
Attacks that exploit this kind of access
The rule that runs unity_shadergraph_connect safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Unity MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For unity_shadergraph_connect, this is the rule to start with:
unity_shadergraph_connect stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Unity MCP Server, apply this rule, and every unity_shadergraph_connect call is checked against it from then on.
Questions about unity_shadergraph_connect
Connect two nodes in a Shader Graph by creating an edge between an output slot and an input slot. It is categorised as a Write tool in the Unity MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Unity MCP Server MCP server in PolicyLayer and add a rule for unity_shadergraph_connect: 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 Unity MCP Server. Nothing to install.
unity_shadergraph_connect 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 unity_shadergraph_connect 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 unity_shadergraph_connect. 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.
unity_shadergraph_connect is provided by the Unity MCP Server MCP server (anklebreaker-studio/unity-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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