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CC Fig MCP

CC Fig MCP

by agenisea
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
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set_text_decoration

Modify text decoration in Figma by setting underline, strikethrough, or none for specific text nodes through the CC Fig MCP server.

Instructions

Set the text decoration of a text node in Figma

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "nodeId": "<nodeId>",
      "textDecoration": "<textDecoration>"
    },
    "name": "set_text_decoration"
  }
}

Input Schema

NameRequiredDescriptionDefault
nodeIdYesThe ID of the text node to modify
textDecorationYesText decoration type

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations provided, the description carries full burden for behavioral disclosure. It states this is a modification tool ('Set'), implying mutation, but doesn't address permissions, side effects, error conditions, or what happens if the node isn't a text node. This leaves significant gaps for a mutation tool.

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 a single, efficient sentence that directly states the tool's purpose without unnecessary words. It's appropriately sized and front-loaded, with every part contributing essential information.

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

Completeness2/5

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

For a mutation tool with no annotations and no output schema, the description is insufficient. It lacks details on behavioral aspects (e.g., error handling, permissions), doesn't explain the return value, and provides minimal context beyond the basic action, leaving the agent under-informed.

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 fully documents both parameters (nodeId and textDecoration with enum values). The description doesn't add any parameter-specific details beyond what's in the schema, such as format examples or constraints, meeting the baseline for high schema coverage.

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 clearly states the action ('Set') and target resource ('text decoration of a text node in Figma'), making the purpose immediately understandable. However, it doesn't differentiate from sibling tools like 'set_text_case' or 'set_text_content' that also modify text properties, which prevents a perfect score.

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?

No guidance is provided on when to use this tool versus alternatives. The description doesn't mention prerequisites (e.g., needing a text node ID), exclusions, or comparisons to similar tools like 'set_text_case', leaving the agent to infer usage context from the tool name alone.

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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