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dotfiles/modules/claude-code/skills/setup-skills/SKILL.md
alexion 7809e079e3 docs(claude-code): teach the skill-management skills the Nix layout
~/.claude/skills is generated by home-manager: the directories are real
but every leaf file is a read-only symlink into the store. The skills
that author and install skills assumed it was an ordinary writable tree.

- craft-skill: personal skills are authored in modules/claude-code/skills
  and applied by a rebuild, never edited under ~/.claude/skills; writing
  there succeeds silently and strands the skill outside the repo.
- setup-skills, update-skills: copy out of the library with cp -rL and
  chmod -R u+w. A plain cp -r copies the symlinks, committing store paths
  into the project, and dereferenced files keep the store's read-only mode.
- craft-skill also staged through `dot add`, a fish function this repo no
  longer carries; plain git add replaces it.
2026-07-19 08:34:22 -04:00

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Markdown

---
name: setup-skills
description: Add relevant skills from the shared skills library to the current project.
disable-model-invocation: true
---
Adds opt-in, project-specific skills from `~/.claude/skills/library/` into
the current project's `.claude/skills/`, tracked in
`.claude/skills-lock.yaml` (see [LOCKFILE.md](LOCKFILE.md) for its schema).
Only ever adds — checking already-installed skills for updates is
[`update-skills`](../update-skills/SKILL.md)'s job, not this one's.
The library is a tree of read-only symlinks into the Nix store, so every
copy out of it must dereference (`cp -rL`) and then restore write
permission (`chmod -R u+w`). A plain `cp -r` copies the symlinks
themselves, putting store paths into the project that break on any other
machine.
## Steps
1. Read `.claude/skills-lock.yaml` in the current project, if it exists.
Note every skill name already listed — these are already installed and
must not be re-proposed.
2. List every skill under `~/.claude/skills/library/*/SKILL.md` and read
each one's `name` and `description`.
3. Inspect the current project (file tree, manifests like
`pyproject.toml`/`package.json`, file extensions present, etc.) and
judge which library skills — excluding ones already installed — seem
relevant, the same way you'd reason about any unfamiliar codebase.
Propose that shortlist to the user with your reasoning, one line per
skill. If the user asks to see the full catalog instead, list every
library skill (minus already-installed ones) with its description.
4. Let the user confirm, adjust, or pick freely from the full list.
5. For each confirmed skill:
- If `.claude/skills/<name>/` already exists in the project and is
*not* in the lockfile, skip it and tell the user why (a same-named
skill already lives there and isn't tracked — remove or rename it
first if they want the library version).
- Otherwise, copy `~/.claude/skills/library/<name>/` to
`.claude/skills/<name>/` in the project with
`cp -rL` followed by `chmod -R u+w`, run
`~/.claude/skills/setup-skills/hash-dir.sh .claude/skills/<name>`,
and append `{name, hash: <output>}` to `.claude/skills-lock.yaml`
(create the file, an empty YAML list, if it doesn't exist yet).
6. Report what was added and what was skipped, and why.
Done when every confirmed skill is either copied and recorded in the
lockfile, or explicitly skipped with a stated reason.