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Txpple

fvtt-mcp-molten5e

by Txpple

find-asset-references

Find every world document referencing a given asset path before deleting or moving a file to prevent broken references.

Instructions

Reference integrity. Find every world document (scenes, actors, items, journals, playlists, macros, roll tables) that references a given asset path under Data/. Use this BEFORE deleting or moving a file to see what would break. Read-only.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathsYesOne or more Data-relative asset paths to look up, e.g. ["worlds/your-world/assets/maps/cavern.webp"].
Behavior3/5

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

No annotations are provided, so the description carries full burden. It states 'Read-only,' which is a clear safety signal. However, it does not elaborate on side effects, rate limits, or return format beyond the implicit finding of documents.

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 extremely concise with three short sentences that front-load the purpose and usage. No unnecessary words, every sentence adds value.

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 simple one-parameter tool with no output schema, the description covers purpose, usage guidance, document types, and safety. It is adequately complete for an agent to understand and invoke the tool correctly.

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%, with the parameter 'paths' fully described in the schema. The description does not add extra semantics beyond what is already in the schema, so baseline 3 is appropriate.

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 the tool finds references to an asset path across multiple document types, using a specific verb ('Find') and resource ('world documents'). It distinguishes itself from siblings like delete-asset or move-asset by specifying it should be used before destructive actions.

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?

The description explicitly says 'Use this BEFORE deleting or moving a file to see what would break,' providing clear when-to-use guidance. It does not explicitly mention alternatives, but the context implies this tool is for pre-deletion/move checks.

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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