cordless
Build Discord bots that run on AWS Lambda. Discord sends a request, Lambda wakes up, your handler runs, Lambda goes back to sleep. No server to keep alive, no idle cost.
import os
from cordless import Cordless
bot = Cordless(public_key=os.environ["DISCORD_PUBLIC_KEY"])
@bot.command("ping", description="Say hello")
async def ping(ctx):
await ctx.send("pong")
handler = bot.handler()
cordless deploy --register
# → https://abc123.lambda-url.us-east-1.on.aws/
Why cordless?
Most Discord bots run as long-lived processes, a VPS or container that sits idle 99% of the time, waiting for someone to type a command. You pay for uptime whether your bot is busy or not.
cordless flips this. Your bot is a Lambda function: it only runs when Discord sends an interaction, takes milliseconds to respond, and costs essentially nothing to host. One command provisions everything on AWS: IAM role, Lambda function, public endpoint (a direct Function URL by default, or API Gateway if you want a custom domain) and registers your commands with Discord.
- No server: no EC2, no containers, no uptime monitoring, no SSH
- No idle cost: Lambda charges per invocation, not per hour
- One command to ship:
cordless deployhandles all the AWS wiring - Local dev:
cordless devruns your bot on localhost with a live public tunnel - Slow commands: deferred interactions hand off to a worker Lambda so Discord's 3-second limit is never a problem
Install
uv add cordless # (we should ALL be using uv)
Quickstart
Scaffold a new bot:
mkdir my-bot && cd my-bot
cordless init my-bot
This creates lambda_function.py, cordless.toml, and .env.example.
Configure your credentials in .env:
DISCORD_PUBLIC_KEY=your_public_key
DISCORD_BOT_TOKEN=your_bot_token
Test locally — cordless dev runs your bot with hot reload. With cloudflared installed it opens a public tunnel so Discord can reach it directly.
cordless dev
Deploy to AWS and register your commands with Discord:
cordless deploy --register
# → https://abc123.lambda-url.us-east-1.on.aws/
Paste the URL into your Discord app's Interactions Endpoint URL and your bot is live.
Documentation
Full docs at cordless.dev — commands, options, buttons, modals, deferred interactions, Components v2, scheduled handlers, and the full deploy reference.
Please note that this is a work in progress, I have found genuine interest in serverless development and wanted an easy way to provision AWS.
1 maintainer
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