A utility to generate SPDX-compliant Bill of Materials manifests

Tern is a software composition analysis tool and Python library that generates a Software Bill of Materials for container images and Dockerfiles. The SBOM that Tern generates will give you a layer-by-layer view of what's inside your container in a variety of formats including human-readable, JSON, HTML, SPDX and more.

Build, migrate, theme, drill down, and validate reusable Three.js 3D geographic maps and Earth View entrances for Vue or web dashboards. Use when Codex is asked to create or modify a pure Three.js globe, province-level, all-China, or world 3D maps; transition from an Earth View into the existing China map; switch map boundaries between provinces, country scope, world scope, city scope, or district scope; add hierarchical drilldown from world to country, China to province, province to city, city to district/county; replace GeoJSON, labels, scatter points, fly lines, terrain textures, or chase-light paths; derive a whole map color system from one theme color; or preserve an existing dark HUD-style 3D map visual across new regions.

Design a GitHub social-preview card (og:image, 1280x640) for a repository. Use when the user asks for a social preview, repo cover, og image, link card, opengraph image, or README hero. Four editorial moods (editorial, poster, blueprint, gallery), CJK-first typography, one self-contained HTML file, deterministic checks, crisp PNG export. No image model needed.

Comprehensive guide to develop and improve Agent Skill performance. Contains best practices for skill formatting (frontmatter and metadata), naming, descriptions, fine-tuning activation triggers, evaluations, production-readiness and open sourcing. Activate when developing new skills or refining existing ones.

Create the foundational Architecture Decision Record (ADR) sequence for a new project. Use after bootstrap-project, when establishing decision documentation, or when standardizing ADR practices.