Plugins bundle MCP servers and hooks into a single installable unit.

Plugins extend an existing agent/runtime setup. They are part of Loom's ecosystem layer, not a separate public runtime API.

my-plugin/
├── plugin.yaml       # metadata + MCP server configs
├── hooks/            # pre/post tool use hooks
└── skills/           # skill markdown files

from loom.ecosystem.plugin import PluginLoader

loader = PluginLoader()
plugin = loader.load_plugin("./my-plugin", source="local")
loader.enable_plugin("my-plugin")
loader.apply_to_agent("my-plugin", agent)

Code: loom/ecosystem/plugin.py