SvelteLS.MCP

Instructions

Implementation Reference

• src/tools/svelte.ts:17-28 (registration)

  Registration of the "get_compiled_code" tool in Svelte tools module.

  server.registerTool(
    "get_compiled_code",
    {
      title: "Get Compiled Code",
      description:
        "Get the compiled JavaScript and CSS output for a Svelte component. Useful for debugging compilation issues.",
      inputSchema: z.object({
        filePath: z
          .string()
          .describe("Absolute path to the .svelte file"),
      }),
    },

• src/tools/svelte.ts:29-65 (handler)

  Handler implementation for "get_compiled_code", which makes an LSP request to '$/getCompiledCode'.

  async ({ filePath }): Promise<ToolResult> => {
    try {
      const prep = await prepareDocumentRequest(lsp, filePath);
      if ("error" in prep) return textResult(prep.error);
  
      const result = await lsp.request("$/getCompiledCode", prep.uri);
  
      if (!result) {
        return textResult(
          `No compiled code available for ${basename(filePath)}.`
        );
      }
  
      const parts: string[] = [];
  
      if (result.js) {
        parts.push("=== Compiled JavaScript ===");
        parts.push(result.js);
      }
  
      if (result.css) {
        parts.push("");
        parts.push("=== Compiled CSS ===");
        parts.push(result.css);
      }
  
      if (parts.length === 0) {
        return textResult(
          `Compiled code for ${basename(filePath)} is empty.`
        );
      }
  
      return textResult(parts.join("\n"));
    } catch (ex) {
      return textResult(formatError(ex));
    }
  }

• src/tools/svelte.ts:23-27 (schema)

  Input schema definition for the "get_compiled_code" tool using Zod.

  inputSchema: z.object({
    filePath: z
      .string()
      .describe("Absolute path to the .svelte file"),
  }),