Cloudflare Examples

cd examples/cloudflare
wrangler deploy

// src/worker.ts
import { AgentRuntime, ModelType } from "@elizaos/core";
import { openaiPlugin } from "@elizaos/plugin-openai";

interface Env {
  OPENAI_API_KEY: string;
}

let runtime: AgentRuntime | null = null;

async function getRuntime(env: Env) {
  if (runtime) return runtime;

  runtime = new AgentRuntime({
    character: {
      name: "Eliza",
      bio: "A helpful AI assistant.",
      secrets: { OPENAI_API_KEY: env.OPENAI_API_KEY },
    },
    plugins: [openaiPlugin],
  });

  await runtime.initialize();
  return runtime;
}

export default {
  async fetch(request: Request, env: Env): Promise<Response> {
    if (request.method === "GET") {
      return new Response(JSON.stringify({ status: "healthy" }));
    }

    const runtime = await getRuntime(env);
    const { message } = await request.json();

    const response = await runtime.useModel(ModelType.TEXT_LARGE, {
      prompt: message,
    });

    return new Response(JSON.stringify({ response: String(response) }), {
      headers: { "Content-Type": "application/json" },
    });
  },
};

name = "eliza-worker"
main = "src/worker.ts"
compatibility_date = "2024-01-01"

[vars]
CHARACTER_NAME = "Eliza"

[[kv_namespaces]]
binding = "MEMORY"
id = "your-kv-namespace-id"

wrangler dev
curl -X POST http://localhost:8787 \
  -H "Content-Type: application/json" \
  -d '{"message": "Hello!"}'

wrangler secret put OPENAI_API_KEY
# Enter your API key when prompted

// rust-worker/src/lib.rs
use worker::*;
use elizaos::{AgentRuntime, RuntimeOptions};

#[event(fetch)]
async fn fetch(req: Request, env: Env, _ctx: Context) -> Result<Response> {
    let runtime = get_runtime(&env).await?;
    let body: serde_json::Value = req.json().await?;
    let message = body["message"].as_str().unwrap_or("");

    let response = runtime.use_model("TEXT_LARGE", message).await?;

    Response::from_json(&serde_json::json!({ "response": response }))
}