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create_node

Create a node inside a specified parent network by providing the parent path and node type, with optional name and position. Use it to build or extend procedural networks from MCP clients.

Instructions

Create a node inside a parent network.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "parent_path": "<parent_path>",
      "node_type": "<node_type>"
    },
    "name": "create_node"
  }
}

Input Schema

NameRequiredDescriptionDefault
nameNo
positionNo
node_typeYes
parent_pathYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.4/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are supplied, so the description carries the full behavioral burden and discloses none of it: nothing about permissions on the parent network, whether names must be unique, what the position array means, whether the call is idempotent, or what is returned. For a mutation tool with zero structured coverage this is a substantial gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The single sentence is front-loaded and wastes no words, but its brevity here is under-specification rather than economy. It leaves the reader with less information than a mutation tool of this complexity requires.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With four parameters, no annotations, no output schema, and no parameter documentation, the definition is too thin for the complexity. An agent cannot know what node types are valid, what a successful response looks like, or how failures are surfaced.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0% across four parameters, and the description only lightly implies parent_path ("inside a parent network"). It says nothing about node_type's allowed values, the name defaulting behavior, or the format/coordinate space of position, so it fails to compensate for the undocumented schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description names a specific verb and resource ("Create a node") and adds scope ("inside a parent network"), so an agent knows this is a node-creation operation. It does not distinguish itself from the many typed siblings (create_chop_node, create_light, create_wrangle), leaving ambiguity about whether this is the generic entry point or an alternative to them.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no indication of when to use this tool versus the typed creation siblings, nor any prerequisites, constraints, or exclusions. The agent must infer usage entirely from the name and the parent_path/node_type parameters.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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