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kicholiz

Figma Write Bridge MCP

by kicholiz

delete_component_slot

Removes a SLOT node from a Figma component and deletes its matching SLOT property, discarding any instance content placed in that slot.

Instructions

Remove a SLOT node from a component and delete its corresponding SLOT property. Any content placed in instances of that slot is discarded.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
slotNodeIdYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.8/5.0
Behavior4/5

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

With no annotations, the description carries the full burden and does disclose a genuine destructive side effect: content placed in instances of the slot is discarded. That is exactly the kind of impact an agent needs on a delete tool. It stops short of stating irreversibility, permissions, or related cleanup, so it is not a 5.

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 tight sentences, front-loaded with the primary action and followed by the consequential side effect. No filler, no repetition of the tool name.

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 one-parameter destructive tool with no annotations and no output schema, the description covers the action and its most important consequence (discarded slot content). Minor gaps remain around reversibility and permission requirements, preventing a 5.

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?

There is a single parameter with 0% schema description coverage. The description implies slotNodeId identifies the SLOT node being removed, which adds modest meaning, but it never defines the parameter explicitly or its expected format.

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 gives a specific verb+resource pair ('Remove a SLOT node from a component') and adds the secondary effect ('delete its corresponding SLOT property'), leaving no ambiguity about what is being deleted. It does not explicitly name a sibling to differentiate from (e.g., delete_node, edit_component_slot), which keeps it at a 4.

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?

Usage is only implied by the operation itself; there is no statement of when to use this versus delete_node, edit_component_slot, or other slot tools, and no prerequisites are given. The scope ('from a component') offers mild context but no explicit routing guidance.

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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