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Skill testdouble/han/han-plugin-builder/skills/guidance/assets

Authoritative guidance for building Claude Code skills, agents, and plugins, vendored into this repository. Use when you need the rules or best practices for a skill, agent, hook, or plugin — designing, reviewing, hardening, or checking one against the guidance. Does not run an interview to build a new skill or agent from scratch — use skill-builder or agent-builder. Does not write feature code, review application code, or build non-plugin features.From its SKILL.md

Install
npx -y skills add testdouble/han --skill assets

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

SKILL.md

2.2 KB, 401 tokens by cl100k_base, as published. Nobody here has run it

Serve the relevant guidance for what the user is building. Do not read every guidance document — that defeats the purpose. Find the one or two that apply, read them, and apply them.

The guidance documents live in this skill's own references/ directory. Use this map to choose, then read only the specific file(s) you need:

  • Deciding whether something should be a skill, agent, or hook → ${CLAUDE_SKILL_DIR}/references/plugin-entity-taxonomy.md.
  • Authoring or hardening a skill (descriptions, frontmatter, progressive disclosure, allowed-tools, scripts, composition, testing, troubleshooting) → the files under ${CLAUDE_SKILL_DIR}/references/skill-building-guidance/.
  • Authoring an agent (domain focus, self-containment, model selection, multi-agent economics, graceful degradation) → the files under ${CLAUDE_SKILL_DIR}/references/agent-building-guidelines/.
  • Plugin or marketplace configuration files (plugin.json, marketplace.json, monitors.json, themes.json) → the files under ${CLAUDE_SKILL_DIR}/references/claude-marketplace-and-plugin-configuration/.
  • Versioning, README structure, local development, the iterative development process, and specialization-versus-model-tier reasoning → the top-level files in ${CLAUDE_SKILL_DIR}/references/.
  • Copyable starter files → ${CLAUDE_SKILL_DIR}/references/templates/.

Steps:

  1. Identify what the user is building or asking about.
  2. List the relevant subdirectory under ${CLAUDE_SKILL_DIR}/references/ to see the available documents, using the map above.
  3. Read only the document(s) that directly apply.
  4. Apply the guidance to the user's situation. Cite the document you used so the user can read it in full if they want.

Keep looking

Skills are one crate of 325,949. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.