Celery usage is very simple. It can be executed by using the following commands:

Usage: celery <command> [options]

Here, the options are as follows:

positional arguments:
  args

optional arguments:
  -h, --help             show this help message and exit
  --version              show program's version number and exit

Global Options:
  -A APP, --app APP
  -b BROKER, --broker BROKER
  --result-backend RESULT_BACKEND
  --loader LOADER
  --config CONFIG
  --workdir WORKDIR
  --no-color, -C
  --quiet, -q

The main commands are as follows:

+ Main:
| celery worker
| celery events
| celery beat
| celery shell
| celery multi
| celery amqp

+ Remote Control:
| celery status

| celery inspect --help
| celery inspect active
| celery inspect active_queues
| celery inspect clock
| celery inspect conf [include_defaults=False]
| celery inspect memdump [n_samples=10]
| celery inspect memsample
| celery inspect objgraph [object_type=Request] [num=200 [max_depth=10]]
| celery inspect ping
| celery inspect query_task [id1 [id2 [... [idN]]]]
| celery inspect registered [attr1 [attr2 [... [attrN]]]]
| celery inspect report
| celery inspect reserved
| celery inspect revoked
| celery inspect scheduled
| celery inspect stats

| celery control --help
| celery control add_consumer <queue> [exchange [type [routing_key]]]
| celery control autoscale [max [min]]
| celery control cancel_consumer <queue>
| celery control disable_events
| celery control election
| celery control enable_events
| celery control heartbeat
| celery control pool_grow [N=1]
| celery control pool_restart
| celery control pool_shrink [N=1]
| celery control rate_limit <task_name> <rate_limit (e.g., 5/s | 5/m | 
5/h)>
| celery control revoke [id1 [id2 [... [idN]]]]
| celery control shutdown
| celery control terminate <signal> [id1 [id2 [... [idN]]]]
| celery control time_limit <task_name> <soft_secs> [hard_secs]

+ Utils:
| celery purge
| celery list
| celery call
| celery result
| celery migrate
| celery graph
| celery upgrade

+ Debugging:
| celery report
| celery logtool

+ Extensions:
| celery flower
-------------------------------------------------------------

Celery protocol can be implemented in any language by using Webhooks (https://developer.github.com/webhooks/).