API Reference

The core embedding symbols are re-exported from the dango top-level package. The custom-extension SDK lives in dango.extensions.

Quick import table

from dango import (
    # Cogs
    ChatCog,
    AdminCog,

    # Workflow
    create_discord_workflow,

    # Config
    RuntimeConfig,
)

# Custom commands & tools (used inside custom/*.py — see the feature guide)
from dango.extensions import command, agent_tool, command_and_tool, Ctx

Where things live

Symbol	Top-level import	Sub-module (also works)
ChatCog	from dango import ChatCog	from dango.commands import ChatCog
AdminCog	from dango import AdminCog	from dango.commands import AdminCog
create_discord_workflow	from dango import create_discord_workflow	from dango.workflow import create_discord_workflow
RuntimeConfig	from dango import RuntimeConfig	from dango.utils.runtime_config import RuntimeConfig
command	—	from dango.extensions import command
agent_tool	—	from dango.extensions import agent_tool
command_and_tool	—	from dango.extensions import command_and_tool
Ctx	—	from dango.extensions import Ctx

Core symbols

ChatCog

Discord.py Cog that handles incoming messages. Wraps the Agno workflow and routes Discord events into the four-step pipeline.

Constructor:

ChatCog(
    bot: commands.Bot,
    discord_workflow: Workflow,
    chat_system_prompt: str,
    runtime_config: RuntimeConfig,
)

AdminCog

Discord.py Cog that registers admin slash commands (/addchannel, /adduser, etc.). Requires the Administrator server permission for all commands.

Constructor:

AdminCog(bot: commands.Bot, runtime_config: RuntimeConfig)

create_discord_workflow()

Creates and returns the Agno Workflow object. Call once at startup; pass the result to ChatCog.

RuntimeConfig(config_path)

Loads and manages config/runtime.yml. Stores allowed channels, allowed DM users, history limit, timezone, and activity string. Pass the same instance to both ChatCog and AdminCog.

Custom extensions (dango.extensions)

These are what you use inside custom/*.py. See Custom Commands & Tools for the full guide.

Decorators

Each decorator registers a function and supports bare usage (@command), positional (@command("name")), or keyword (@command(name=..., description=...)).

Decorator	Discord slash command	Agent tool
command(name=None, description="")	✅	❌
agent_tool(name=None, description="")	❌	✅
command_and_tool(name=None, description="")	✅	✅

When name is omitted the function name is used; when description is omitted the first line of the docstring is used. A leading ctx parameter is optional and is stripped from the public command/tool schema.

Ctx

Dataclass describing where a function was invoked from, passed as the first argument when the function declares ctx.

Attribute	Type
source	str — "discord_command" or "agent"
author_name	str
author_id	int \| None
channel_id	int \| None
channel_name	str
guild_id	int \| None
guild_name	str
mentioned_user_ids	list[int] (agent path only)
mentioned_role_ids	list[int] (agent path only)
author_permissions	list[str] (empty in DMs)
interaction	discord.Interaction \| None (command path only)
bot	commands.Bot \| None (command path only)

Loader functions

Called by the app at startup; you normally don't call these yourself.

Function	Effect
load_custom_modules()	Import every custom/*.py once so decorators register. Idempotent.
get_custom_tools()	Return the registered tools as Agno tool objects for the agent.
register_custom_commands(bot)	Add the registered slash commands to bot.tree; returns the count.