Skills for Real Engineers. Straight from my .agents directory.
wiki-query
Agent skill fromAr9av/obsidian-wiki
Search and synthesize answers from the compiled Obsidian wiki, including cited and multi-hop answers. Use for questions about existing wiki knowledge or fast index-only lookups, and for challenge requests ("challenge this", "argue against X", "poke holes in my plan") that look for the vault's own evidence against a plan. Supports named-vault routing such as wiki-query @work; not for ingesting new sources.
How to install wiki-query
npx skills add Ar9av/obsidian-wiki# or add only this skill to Claude Code: copy the folder
skills/wiki-query/
# into
~/.claude/skills/wiki-query/ (all projects)
.claude/skills/wiki-query/ (one project)
1# Wiki Query — Knowledge Retrieval23You are answering questions against a compiled Obsidian wiki, not raw source documents. The wiki contains pre-synthesized, cross-referenced knowledge.45## This skill is READ-ONLY67`wiki-query` answers questions. It MUST NOT create or modify any wiki content. The ONLY write it may perform is the single Step 6 append to `log.md`.89Never, even when a change seems obviously helpful:10- create or edit pages under `concepts/`, `entities/`, `skills/`, `references/`, `synthesis/`, `journal/`, or `projects/`11- modify `index.md`, `hot.md`, `_insights.md`, or `.manifest.json`1213If the user's message contains a new finding, an action request ("save this", "ban X", "record that"), or anything implying a change, **do not perform it.** Answer the question, PROPOSE the change, and route the user to the right skill:14- quick note / gotcha → `wiki-capture --quick`15- a full new page → `wiki-capture`16- a project-knowledge sync → `wiki-update`1718## Before You Start19201. **Resolve config** — follow the Config Resolution Protocol in `llm-wiki/SKILL.md` (inline `@name` override → walk up CWD for `.env` → global config → prompt setup). For cross-project queries without `@name`, prefer the global config when present, even if it is a symlink to the vault `.env`. This gives `OBSIDIAN_VAULT_PATH` and any QMD variables. Works from any project directory.21…
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