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ASCII Motion MCP

ASCII Motion MCP

by CameronFoxly
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
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add_effect_block

Add non-destructive procedural effects like levels, hue-saturation, or wave-warp to layers, groups, or globally in ASCII animations.

Instructions

Add a non-destructive procedural effect to a layer, group, or global effects. Available types: levels, hue-saturation, remap-colors, remap-characters, scatter, wave-warp, wiggle.

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": {
      "ownerId": "<ownerId>",
      "effectType": "<effectType>"
    },
    "name": "add_effect_block"
  }
}

Input Schema

NameRequiredDescriptionDefault
ownerIdYesLayer or group ID to add effect to, or null for global effects
effectTypeYesType of effect to add
startFrameNoStart frame (defaults to 0)
durationFramesNoDuration in frames (defaults to timeline duration)
settingsNoInitial effect settings

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv2.1.4

TDQS

A3.7/5.0
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 the effect is non-destructive, but lacks details on required permissions, what the tool returns, error conditions, or side effects beyond adding the block.

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 sentence followed by a bullet list, front-loaded with the action. Every word is relevant, with no redundancy.

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

Completeness3/5

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

Given the absence of an output schema and annotations, the description provides basic functionality but lacks return type info, error handling, and interaction notes with sibling tools like add_effect_keyframe. Adequate but not thorough.

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 lists effect types (already in enum) and mentions 'Initial effect settings' without further detail. It adds minimal value beyond the schema.

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 action (add), the resource (non-destructive procedural effect), and the targets (layer, group, or global effects). It lists available effect types, distinguishing it from sibling tools like apply_effect or add_effect_keyframe.

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 specifies that effects are non-destructive and lists supported types, giving context for when to use this tool. However, it does not explicitly differentiate from alternatives like apply_effect or add_effect_keyframe, or state when not to use it.

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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