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Archicad-MCP

by alesdev88
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Python
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List attributes

list_attributes
Read-only

List attributes by type: Layer, LayerCombination, Line, Fill, ZoneCategory, PenTable, Profile, BuildingMaterial, Composite, Surface (plurals work). Names only by default.

Instructions

List attributes by type: Layer, LayerCombination, Line, Fill, ZoneCategory, PenTable, Profile, BuildingMaterial, Composite, Surface (plurals work). Names only by default. details=true returns each attribute's settings (Tapir): a composite's skins and separators, a building material's fills and physical values, a layer combination's layer states, a pen table's pens, ... with references to other attributes shown by name, in the vocabulary edit_attributes takes. names= picks attributes; otherwise details are paged (limit, offset; next_offset when more remain).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
portNo
limitNo
namesNo
offsetNo
detailsNo
attribute_typeYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed4 schema fields changedv0.10.0
    • addedInput schema / properties / details
      Added value: +{
+  "default": false,
+  "type": "boolean"
+}
    • addedInput schema / properties / limit
      Added value: +{
+  "anyOf": [
+    {
+      "type": "integer"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null
+}
    • addedInput schema / properties / names
      Added value: +{
+  "anyOf": [
+    {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null
+}
    • addedInput schema / properties / offset
      Added value: +{
+  "default": 0,
+  "type": "integer"
+}
  2. First observedv0.1.0

TDQS

A4.3/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the description need not re-establish safety. It adds genuinely useful behavior: names-only default output, the richer shapes details=true returns per attribute kind, and the fact that details are paged via limit/offset with next_offset reported while names= bypasses paging.

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

Conciseness4/5

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

Dense and front-loaded: the type enumeration and default-output mode come first, then details and paging. The mid-sentence '...' elision of attribute kinds is slightly informal but actually saves space without losing meaning.

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

Completeness4/5

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

For a 6-parameter read tool with annotations and an output schema, the description covers the default vs details duality and paging semantics thoroughly, so an agent can call it correctly. Only the unmentioned port parameter keeps it from being complete.

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?

With 0% schema description coverage the description carries the burden highly effectively, explaining attribute_type's domain, details, names, limit/offset, and next_offset. The only gap is the port parameter, which is never mentioned in either the schema or the description.

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?

Opens with a specific verb+resource ('List attributes') and immediately enumerates the valid type domain (Layer, LayerCombination, Line, Fill, etc.), noting plurals work. It also distinguishes itself from the sibling edit_attributes by stating its output uses the same vocabulary edit_attributes accepts.

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

Usage Guidelines4/5

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

Clearly explains which mode to use and when: names only by default, details=true to get settings, names= to pick specific attributes, and paging only otherwise. It gives no explicit exclusion against other listing tools like find_elements or get_element_data, but the type-scoped context makes the intended use unambiguous.

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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