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DaniGhosy

Civil 3D MCP Server

by DaniGhosy

civil3d_pipe

Manage gravity pipe networks by listing, creating, adding pipes and structures, and checking interferences in Civil 3D.

Instructions

Manage gravity pipe networks. Actions: list_networks, get_network, get_pipe, get_structure, create_network, add_pipe (between structures), add_structure (at X,Y), check_interference.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameNoName for new network.
layerNoLayer name.
styleNoNetwork style.
actionYesThe pipe network operation to perform.
pipeNameNoPipe name or handle.
pipeSizeNoPipe diameter/size.
partsListNoParts list to use.
sumpDepthNoSump depth for structure.
insertionXNoInsertion X for new structure.
insertionYNoInsertion Y for new structure.
networkNameNoPipe network name.
endStructureNoEnd structure for new pipe.
rimElevationNoRim elevation for structure.
structureNameNoStructure name or handle.
startStructureNoStart structure for new pipe.
Behavior2/5

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

No annotations are provided, so the description must convey behavioral traits. It lists actions but does not disclose side effects, permissions, or mutation behavior for create/add actions, leaving ambiguity.

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

Conciseness5/5

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

The description is very concise: a single sentence followed by a comma-separated list of actions with minimal parenthetical context. It is front-loaded and efficient.

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?

Despite listing actions, the description lacks detail on each action's specific behavior, return values, and parameter applicability. Given the tool's complexity (15 parameters, no output schema), this is insufficient.

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

Parameters4/5

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

Schema coverage is 100%, meeting baseline. The description adds context by parenthetically noting constraints like 'between structures' and 'at X,Y', which aids parameter understanding beyond the schema.

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

Purpose5/5

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

The description clearly states 'Manage gravity pipe networks' and lists all supported actions, distinguishing it from sibling tools that handle other Civil3D objects like alignments, corridors, etc.

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

Usage Guidelines3/5

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

The description implies usage for pipe network operations but does not provide explicit guidance on when to use this tool versus siblings, nor does it mention when not to use it.

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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