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LacyLights MCP Server

by bbernstein

remove_cue_from_list

Remove a specific cue by its ID from a cue list on the LacyLights MCP Server, ensuring precise control over theatrical lighting design and scene management.

Instructions

Remove a cue from a cue list

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
cueIdYesID of the cue to remove

Implementation Reference

  • The main handler function for the 'remove_cue_from_list' tool. It takes a cueId, calls the GraphQL client to delete the cue, and returns success status with a message.
    async removeCueFromList(args: { cueId: string }) {
      const { cueId } = args;
    
      try {
        const success = await this.graphqlClient.deleteCue(cueId);
    
        return {
          cueId,
          success,
          message: success ? "Cue removed successfully" : "Failed to remove cue",
        };
      } catch (error) {
        throw new Error(`Failed to remove cue: ${error}`);
      }
    }
  • The input schema definition for the 'remove_cue_from_list' tool, specifying that it requires a 'cueId' string parameter.
    {
      name: "remove_cue_from_list",
      description: "Remove a cue from a cue list",
      inputSchema: {
        type: "object",
        properties: {
          cueId: {
            type: "string",
            description: "ID of the cue to remove",
          },
        },
        required: ["cueId"],
      },
  • src/index.ts:2339-2351 (registration)
    The dispatch handler in the MCP server's CallToolRequestSchema that routes 'remove_cue_from_list' calls to cueTools.removeCueFromList.
    case "remove_cue_from_list":
      return {
        content: [
          {
            type: "text",
            text: JSON.stringify(
              await this.cueTools.removeCueFromList(args as any),
              null,
              2,
            ),
          },
        ],
      };
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 action is 'Remove,' implying a destructive mutation, but doesn't specify permissions required, whether the removal is reversible, side effects on related data, or error handling. This leaves significant gaps in understanding the tool's behavior.

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 with zero waste—it directly states the tool's purpose without unnecessary words. It's appropriately sized for a simple tool and front-loaded with the core action, making it easy to parse quickly.

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?

Given the tool's destructive nature (implied by 'Remove'), lack of annotations, and no output schema, the description is incomplete. It doesn't address critical aspects like what happens after removal, error conditions, or return values, leaving the agent with insufficient context for safe and effective use.

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?

The schema has 100% description coverage, with the 'cueId' parameter clearly documented in the schema. The description adds no additional semantic context beyond what's in the schema, such as format examples or validation rules, so it meets the baseline for high schema coverage without enhancing parameter understanding.

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 ('Remove') and the target ('a cue from a cue list'), providing a specific verb+resource combination. However, it doesn't differentiate itself from sibling tools like 'reorder_cues' or 'update_cue_list' which might also involve cue list modifications, leaving room for ambiguity in tool selection.

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?

The description provides no guidance on when to use this tool versus alternatives. It doesn't mention prerequisites (e.g., needing an existing cue list), exclusions, or how it differs from related tools like 'reorder_cues' or 'update_cue_list', leaving the agent without context for proper tool selection.

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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