OpenAPI MCP Server

import { getParsedOpenAPI } from "../parser.js"; import type { SchemaInfo } from "../types.js"; export const listSchemasTool = { name: "list_schemas", config: { title: "List Schemas", description: "List all schema names defined in components/schemas. Use this to discover available data types, then use get_schema to get the full definition.", inputSchema: {}, }, handler: async () => { const parsed = getParsedOpenAPI(); const schemas: SchemaInfo[] = []; for (const [name, schema] of parsed.schemas) { const schemaObj = schema as Record<string, unknown>; schemas.push({ name, type: schemaObj.type as string | undefined, description: schemaObj.description as string | undefined, }); } if (schemas.length === 0) { return { content: [ { type: "text" as const, text: "No schemas found in components/schemas.", }, ], }; } return { content: [ { type: "text" as const, text: JSON.stringify(schemas, null, 2), }, ], }; }, };