Sample python script to update the `endpoint` of your `AtprotoLabeler`

bsky-labeler-url-update.py

import json
import requests

baseurl = "https://bsky.social/xrpc"
headers = {
    "Content-Type": "application/json",
    "Accept": "application/json"
}

def auth(handle, pass):
    payload = {
        "identifier": handle,
        "password": password
    }

    response = requests.post(
        f"{baseurl}/com.atproto.server.createSession",
        headers=headers,
        json=payload
    )

    token = json.loads(response.text).get('accessJwt')
    headers["Authorization"] = f"Bearer {token}"

def requestPlcSig(): 
    response = requests.post(
        f"{baseurl}/com.atproto.identity.requestPlcOperationSignature",
        headers=headers,
    )
    return response

def signPlcOp(url, plcToken):
    services = {
        "atproto_labeler": {
            "type": 'AtprotoLabeler',
            "endpoint": url
        },
        "atproto_pds": {
            "type": "AtprotoPersonalDataServer",
            "endpoint": "bsky pds server"
        }
    }
    payload = {
        "token": plcToken,
        "services": services,
    }
    response = requests.post(
        f"{baseurl}/com.atproto.identity.signPlcOperation",
        headers=headers,
        json=payload,
    )
    operation = json.loads(response.text).get("operation")
    return operation

def submitPlcOp(operation):
    response = requests.post(
        f"{baseurl}/com.atproto.identity.submitPlcOperation",
        headers=headers,
        json={"operation": operation}
    )
    return response

auth("your handle here", "and a password too")
rquestPlcSig() # This will email you, you'll need that token out of the email for the next step
submitPlcOp(signPlcOp("your desired new url", "that token from the email"))