random-tables-mcp
Version:
An MCP (Model Context Protocol) server for managing and rolling on random-table assets used in tabletop RPGs. Create, update, and roll on random tables with support for nested tables, weighted entries, and range-based results.
73 lines • 2.21 kB
JavaScript
import { z } from 'zod';
import { BaseTool } from './tool.js';
/**
* Tool for evaluating a roll template.
*/
export class EvaluateTemplateTool extends BaseTool {
/**
* Creates a new EvaluateTemplateTool instance.
* @param templateService The template service to use.
*/
constructor(templateService) {
super();
this.templateService = templateService;
}
/**
* Gets the name of the tool.
* @returns The tool name.
*/
getToolName() {
return 'evaluate_template';
}
/**
* Gets the description of the tool.
* @returns The tool description.
*/
getToolDescription() {
return 'Evaluate a roll template by resolving all references to tables.';
}
/**
* Gets the input schema for the tool.
* @returns The input schema.
*/
getInputSchema() {
return z.object({
id: z.string().describe('The ID of the template to evaluate'),
count: z
.number()
.int()
.positive()
.optional()
.describe('The number of evaluations to perform (default: 1)'),
});
}
/**
* Gets the output schema for the tool.
* @returns The output schema.
*/
getOutputSchema() {
return z.object({
results: z.array(z.object({
originalTemplate: z.string().describe('The original template string'),
evaluatedTemplate: z.string().describe('The evaluated template string'),
})),
});
}
/**
* Implements the tool execution logic.
* @param args The validated tool arguments.
* @returns The tool result.
*/
async executeImpl(args) {
const { id, count } = args;
try {
// Call the template service to evaluate the template
const results = await this.templateService.evaluateTemplate(id, count);
return { results };
}
catch (error) {
throw new Error(`Failed to evaluate template: ${error instanceof Error ? error.message : String(error)}`);
}
}
}
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