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devilge

devilge

by Yercko
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
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Compose previews — hierarchical tree

devilge_get_compose_previews_tree
Read-onlyIdempotent

Organizes Jetpack Compose @Preview functions into a tree by module, file, and function, grouping multiple annotations as variants, with a summary totals and orphaned previews.

Instructions

Returns every Jetpack Compose @Preview in the project organized as modules → files → functions → variants. Multiple @Preview annotations on the same Composable are grouped as variants of one function. Includes a totals summary by group and an orphans bucket for previews outside any known module.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "devilge_get_compose_previews_tree"
  }
}

Input Schema

NameRequiredDescriptionDefault
maxFilesNoMaximum number of .kt files to scan. Defaults to 5000.
moduleFilterNoOptional path (relative to project root) to restrict the scan, e.g. "modules/feature".

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.3

TDQS

A4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint. The description adds value by detailing the output structure (hierarchical with modules, files, functions, variants, totals, orphans), which goes beyond annotations. No contradictions.

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?

Two sentences, no fluff. The first sentence front-loads the core purpose, and the second adds essential nuance about grouping and summary. Every word earns its place.

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?

Given two optional parameters and no output schema, the description gives a good picture of the result structure (hierarchical tree, grouping, totals, orphans). It is mostly complete for a listing tool, though it could mention what happens if no maxFiles is specified (default 5000, but that is in schema).

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

Parameters3/5

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

Schema description coverage is 100%, so the baseline is 3. The description does not add significant meaning beyond what the schema already provides (the schema describes maxFiles and moduleFilter adequately).

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 that the tool returns a hierarchical tree of Compose previews organized by modules, files, functions, and variants, including grouping of multiple annotations and a totals summary. This is specific and distinguishes it from sibling tools like devilge_list_compose_previews (which likely returns a flat list).

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 it is for exploring previews in a tree structure but does not explicitly state when to use this tool versus alternatives like devilge_list_compose_previews. No guidance on exclusions or specific scenarios is provided.

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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