unity_shadergraph_get_nodes

Get all nodes in a Shader Graph file. Returns node IDs, types, positions, and basic property data by parsing the .shadergraph JSON. Essential for understanding graph structure before editing.

SERVERUnity MCP Server SOURCEanklebreaker-studio/unity-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/anklebreaker-studio-unity-mcp-server/unity-shadergraph-get-nodes.md

WHAT IT DOES

What unity_shadergraph_get_nodes does on Unity MCP Server

AI agents call unity_shadergraph_get_nodes to retrieve information from Unity MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why unity_shadergraph_get_nodes is rated Low

This tool retrieves and queries data from an existing Shader Graph file without creating, modifying, deleting, or executing operations. It parses JSON metadata to return information about the graph's current state. This is a pure read operation with no side effects, making it low severity. The blast radius of misuse is minimal since the tool only exposes existing metadata about shader graphs.

From the tool's definition The tool 'Get all nodes in a Shader Graph file' returns node IDs, types, positions, and basic property data by parsing the .shadergraph JSON.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_shadergraph_get_nodes 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_get_nodes, this is the rule to start with:

unity_shadergraph_get_nodes Allowed

unity_shadergraph_get_nodes is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "unity_shadergraph_get_nodes": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Unity MCP Server, apply this rule, and every unity_shadergraph_get_nodes call is checked against it from then on.

FAQ

Questions about unity_shadergraph_get_nodes

What does the unity_shadergraph_get_nodes tool do? +

Get all nodes in a Shader Graph file. Returns node IDs, types, positions, and basic property data by parsing the .shadergraph JSON. Essential for understanding graph structure before editing. It is categorised as a Read tool in the Unity MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on unity_shadergraph_get_nodes? +

Register the Unity MCP Server MCP server in PolicyLayer and add a rule for unity_shadergraph_get_nodes: 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.

What risk level is unity_shadergraph_get_nodes? +

unity_shadergraph_get_nodes is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit unity_shadergraph_get_nodes? +

Yes. Add a rate_limit block to the unity_shadergraph_get_nodes 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.

How do I block unity_shadergraph_get_nodes completely? +

Set action: deny in the PolicyLayer policy for unity_shadergraph_get_nodes. 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.

What MCP server provides unity_shadergraph_get_nodes? +

unity_shadergraph_get_nodes 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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