Add and remove modules

List

# Available from the kit catalog
LASSO_KIT_ROOT=/path/to/lasso lasso module list

# Installed in the current workspace
lasso module list --installed --format=json

Add

lasso module add lang-rust --format=json
lasso module add security
lasso module add npm-release
lasso module add pypi-release
lasso module add cargo-release

Effects:

• copy payload → .lasso/modules/<id>/
• pin version → lasso.lock.toml
• merge conventions/ when present
• materialize plugins/lasso-<id>/ when the module ships a plugin
• refresh Codex + Claude marketplaces

Skill: lasso-add-module. Language packs: lasso-add-language.

Remove

lasso module remove security --yes

Requires --yes. Refuses when another installed module lists this id in requires. Skill: lasso-remove-module.

Built-in catalog (v0.1)

Id	Kind	Notes
docs-index	capability	default on init
lang-go	convention	Go coding conventions
lang-rust	convention	Rust coding conventions
lang-nix	convention	Nix coding conventions
security	plugin	lightweight security-scan skill
npm-release	plugin	native npm release and package-page skills
pypi-release	plugin	native PyPI release and project-page skills
cargo-release	plugin	native Cargo/crates.io release and crate-page skills

Authoring guide: Modules concept.