ElevenLabs Code Tools

Generate paste-ready JS/TS for ElevenLabs code tools: custom logic that runs on ElevenLabs infrastructure, not a customer webhook.

Canonical runtime model

Your code is a single JavaScript/TypeScript module that exports one default async function. It receives a ctx object and returns the tool result (same downstream uses as a server tool response: agent, transcript, dynamic variables).

export default async (ctx) => {
  const { city } = ctx.args;
  return { message: `Hello from ${city}!` };
};

Helpers and top-level variables outside the default export are fine.

ctx API (use these names only)