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Delete asset character

delete_asset_character
Destructive

Delete a character from the authenticated user's fal Assets library by character ID. Requires confirm=true and an optional account profile.

Instructions

Delete asset character for the authenticated user's fal Assets library.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
accountNoExact private account key profile label, not an authenticated provider owner ID.
confirmNoMust be true for the requested mutation, paid work or private output file.
character_idYesCharacter collection ID
Idempotency_KeyNoOptional idempotency key for safe request retries

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv2.0.0

TDQS

B3.1/5.0
Behavior2/5

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

Annotations already declare destructiveHint=true, idempotentHint=false, and openWorldHint=true, so the safety profile is largely covered structurally. The description adds only the mild scoping note about the authenticated user's library and says nothing about irreversibility, what happens to associated assets, or the required confirm=true gate.

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?

A single front-loaded sentence with no filler or redundancy. It is efficient, though its extreme terseness is part of why behavioral and usage context is missing.

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 destructive single-entity delete with a required ID, 100% schema coverage, and annotations covering safety hints, the description is close to sufficient. It still omits the confirm=true precondition and irreversibility warning, which would be valuable for a destructive operation.

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 schema already documents all four parameters including character_id, account, confirm, and Idempotency_Key. The description adds no parameter-level meaning beyond that, making the baseline 3 appropriate.

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 states a specific verb (Delete) and resource (asset character), plus a scope qualifier (the authenticated user's fal Assets library). It is clearly distinguishable from siblings such as delete_asset_collection, delete_asset_tag, or unfavorite_asset_character, though it does not name those siblings explicitly.

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 guidance on when to use this tool versus alternatives (e.g., delete_asset_collection, remove_asset_from_collection, unfavorite_asset_character), no prerequisites, and no stated exclusions or confirmation requirements. The intended usage is only implied by the verb 'Delete'.

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