Reference

CLI reference

Reference for Fygment CLI commands: setup, install, check, update, readiness, lockfile, sync, doctor, and import.

Audience: Power users and workspace operators using Fygment from a terminal.
Updated: 2026-05-20

The CLI is the local bridge between a governed workspace and writable AI harness targets. Use it for setup, install state, update checks, setup checks, and selected imports.

Core commands

fygment setup

Create or refresh local configuration for a workspace and target harness.

fygment install <skill-slug>

Install an approved Skill package into a configured local target.

fygment check

Compare local Skill installs with workspace-approved versions and policy decisions.

fygment update

Apply approved package updates after check output shows a safe path forward.

fygment readiness --target=codex

Check that local auth, setup, target, import, and install state are ready.

Library and lockfile commands

fygment import github <url>

Preview and import a selected public GitHub Skill candidate.

fygment lock write

Write a Skills-only lockfile for reproducible local setup.

fygment sync --lock=fygment.lock

Sync local targets from an approved Skills-only lockfile.

fygment doctor

Diagnose setup, auth, and target configuration issues.

Related docs

Install Skills in Codex
Codex is a writable install target. Use the guided CLI path so Fygment can preview config changes and track install state.
Install Skills in Claude-family tools
Claude-family setup follows the same workspace-approved package model as Codex, with local writes kept explicit and previewable.
Set up Fygment MCP
MCP setup gives AI clients access to workspace-scoped Fygment tools. Hosted clients use OAuth; local clients use guided setup and a local authenticated proxy where needed.