openalex

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• SKILL.md

SKILL.md (first lines)

# OpenAlex Academic Search

Search query: $ARGUMENTS

## Role & Positioning

This skill uses OpenAlex as a **comprehensive open academic graph** source:

| Skill | Source | Best for |
|-------|--------|----------|
| `/arxiv` | arXiv API | Latest preprints, cutting-edge unrefereed work |
| `/semantic-scholar` | Semantic Scholar API | Published venue papers (IEEE, ACM, Springer) with citation counts |
| `/openalex` | OpenAlex API | **Open citation graph, institutional affiliations, funding data, comprehensive metadata** |
| `/deepxiv` | DeepXiv CLI | Layered reading: search, brief, section map, section reads |
| `/exa-search` | Exa API | Broad web search: blogs, docs, news, companies, research papers |
| `/gemini-search` | Gemini MCP / CLI | AI-powered broad literature discovery |

Use OpenAlex when you want:
- **Open citation data** — fully open citation graph (no API key required for basic use)
- **Institutional affiliations** — author institutions and collaborations
- **Funding information** — NSF, NIH, and other funding sources
- **Comprehensive metadata** — topics, keywords, abstract, open access status
- **Cross-database coverage** — indexes 250M+ works from multiple sources

## Constants

- **MAX_RESULTS = 10** — Default number of results. Override with `— max: 20`.
- **DEFAULT_SORT = relevance** — Sort by relevance. Override with `— sort: citations` or `— sort: date`.
- **OPENALEX_FETCHER** — canonical name `openalex_fetch.py`, resolved per
  [`shared-references/integration-contract.md`](../shared-references/integration-contract.md) §2
  (Policy D1 — standalone `/openalex` has no documented inline fallback,
  so unresolved helper terminates with an explicit error).

> Overrides (append to arguments):
> - `/openalex "topic" — max: 20` — return up to 20 results
> - `/openalex "topic" — year: 2023-` — papers from 2023 onward
> - `/openalex "topic" — year: 2020-2023` — papers from 2020 to 2023
> - `/openalex "topic" — type: article` — only journal articles
> - `/openalex "topic" — type: preprint` — only preprints
> - `/openalex "topic" — open-access` — only open access papers
> - `/openalex "topic" — min-citations: 50` — minimum 50 citations
> - `/openalex "topic" — sort: citations` — sort by citation count (descending)
> - `/openalex "topic" — sort: date` — sort by publication date (newest first)

## Setup

### Prerequisites

1. **Python 3.7+** with `requests` library:
   ```bash
   pip install requests
   ```

2. **Optional: API keys** — Create `.claude/.env` in project root:
   ```bash
   # Copy from template
   cp .claude/.env.example .claude/.env
   
   # Edit and add your keys
   # .claude/.env
   OPENALEX_API_KEY=your-key-here
   OPENALEX_EMAIL=your-email@example.com
   ```
   
   Claude Code automatically loads `.claude/.env` as environment variables.

3. **Get API keys** (optional but recommended):
   - **OpenAlex API key**: Free tier $1/day (10,000 list calls, 1,000 search calls) from [openalex.org](https://openalex.org/)
   - **Email for polite pool**: Faster response times (no registration needed)

### Verify Setup

```bash
python3 "$OPENALEX_FETCHER" search "machine learning" --max 3
```

(Resolve `$OPENALEX_FETCHER` via the canonical chain first — see Step 2 below.)

## Workflow

### Step 1: Parse Arguments

Parse `$ARGUMENTS` for:
- **query**: The research topic (required)
- **max**: Override MAX_RESULTS
- **year**: Publication year filter (e.g., `2023-`, `2020-2023`)
- **type**: Work type filter (`article`, `preprint`, `book`, `book-chapter`, `dataset`, `dissertation`)
- **open-access**: Only include open access papers
- **min-citations**: Minimum citation count threshold
- **sort**: Sort order (`relevance`, `citations`, `date`)

### Step 2: Locate Script

Resolve `$OPENALEX_FETCHER` via the canonical strict-safe chain (see
[`shared-references/integration-contract.md`](../shared-references/integration-contract.md) §2).
Policy D1: there is no native inline fallback for OpenAlex
(retrieval requires the `requests` SDK + optional API key — the
fetcher script encapsulates pagination, throttling, and per-source
parameters), so unresolved helper terminates with explicit remediation.

```bash
cd "$(git rev-parse --show-toplevel 2>/dev/null || pwd)" || exit 1
if [ -z "${ARIS_REPO:-}" ] && [ -f .aris/installed-skills.txt ]; then
    ARIS_REPO=$(awk -F'\t' '$1=="repo_root"{print $2; exit}' .aris/installed-skills.txt 2>/dev/null) || true
fi
if [ -z "${ARIS_REPO:-}" ] && [ -f "$HOME/.aris/repo" ]; then
    ARIS_REPO=$(cat "$HOME/.aris/repo" 2>/dev/null) || true
fi
OPENALEX_FETCHER=".aris/tools/openalex_fetch.py"
[ -f "$OPENALEX_FETCHER" ] || OPENALEX_FETCHER="tools/openalex_fetch.py"
[ -f "$OPENALEX_FETCHER" ] || { [ -n "${ARIS_REPO:-}" ] && OPENALEX_FETCHER="$ARIS_REPO/tools/openalex_fetch.py"; }
[ -f "$OPENALEX_FETCHER" ] || {
  echo "ERROR: openalex_fetch.py not resolved at .aris/tools/, tools/, \$ARIS_REPO/tools/, or via ~/.aris/repo." >&2
  echo "       Fix: rerun bash tools/install_aris.sh or smart_update.sh (refreshes ~/.aris/repo), export ARIS_REPO, or copy the helper to tools/." >&2
  echo "       Also ensure 'requests' is installed: pip install requests" >&2
  exit 1
}
```

From wanshuiyin/Auto-claude-code-research-in-sleep, MIT.

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