Literature Review
neflibata-feng/MyArxiv-Agent
Conduct comprehensive, systematic literature reviews using multiple academic databases (PubMed, arXiv, bioRxiv, Semantic Scholar, etc.).
Search academic papers via OpenAlex API for open citation data, institutional affiliations, and funding information.
Install Openalex
$ npx skills add AI4Scientist/nano-scientist --skill openalex -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install AI4Scientist/nano-scientist openalex --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/AI4Scientist/nano-scientist.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/openalex .claude/skills/openalex && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "openalex" agent skill from https://github.com/AI4Scientist/nano-scientist/tree/main/skills/openalex into .claude/skills/openalex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "openalex", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/AI4Scientist/nano-scientist/tree/main/skills/openalexType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add AI4Scientist/nano-scientist --skill openalex -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install AI4Scientist/nano-scientist openalex --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/AI4Scientist/nano-scientist.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/openalex .agents/skills/openalex && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "openalex" agent skill from https://github.com/AI4Scientist/nano-scientist/tree/main/skills/openalex into .agents/skills/openalex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "openalex", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add AI4Scientist/nano-scientist --skill openalex -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install AI4Scientist/nano-scientist openalex --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/AI4Scientist/nano-scientist.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/openalex .cursor/skills/openalex && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "openalex" agent skill from https://github.com/AI4Scientist/nano-scientist/tree/main/skills/openalex into .cursor/skills/openalex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "openalex", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/AI4Scientist/nano-scientist.git --path skills/openalex--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add AI4Scientist/nano-scientist --skill openalex -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install AI4Scientist/nano-scientist openalex --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/AI4Scientist/nano-scientist.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/openalex .gemini/skills/openalex && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "openalex" agent skill from https://github.com/AI4Scientist/nano-scientist/tree/main/skills/openalex into .gemini/skills/openalex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "openalex", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install AI4Scientist/nano-scientist openalexInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add AI4Scientist/nano-scientist --skill openalex -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/AI4Scientist/nano-scientist.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/openalex .github/skills/openalex && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "openalex" agent skill from https://github.com/AI4Scientist/nano-scientist/tree/main/skills/openalex into .github/skills/openalex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "openalex", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add AI4Scientist/nano-scientist --skill openalex -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install AI4Scientist/nano-scientist openalex --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/AI4Scientist/nano-scientist.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/openalex .opencode/skills/openalex && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "openalex" agent skill from https://github.com/AI4Scientist/nano-scientist/tree/main/skills/openalex into .opencode/skills/openalex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "openalex", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
openalex- GitHub stars
- 128
- Used in
- 2 other repos
- Token cost
- ~2.1k tokens
- SKILL.md length
- 750 words
- Files
- 1
- Skills in repo
- 74
- Repo updated
- First seen
- Licence
- None found
At a glance
Search academic papers via OpenAlex API for open citation data, institutional affiliations, and funding information.
- Works in 6 steps: Parse Arguments → Locate Script → Execute Search → …
- User says openalex search
- SKILL.md covers Role & Positioning, Constants, Setup and Workflow, plus 2 more sections
- Calls python3 and pip; needs OPENALEX_API_KEY
What it does
Openalex is an agent skill from AI4Scientist/nano-scientist. Search academic papers via OpenAlex API for open citation data, institutional affiliations, and funding information. Use when user says "openalex search", "search openalex", "open citation graph", or wants comprehensive academic metadata beyond arXiv/Semantic Scholar.
Its SKILL.md is about 2.1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Research & Science, covering Academic paper search. It works with arXiv and Semantic Scholar. The repository describes itself as: An autonomous research agent that turns a topic into a peer-reviewed technical report.
When your agent uses it
- User says openalex search
- Search openalex
- Open citation graph
- Wants comprehensive academic metadata beyond arXiv/Semantic Scholar
Example prompts
- “openalex search”
- “search openalex”
- “open citation graph”
- “/openalex”
Requirements
- Python 3
- A credential in OPENALEX_API_KEY
- Pre-approved tools (allowed-tools): Bash(*), Read, Write
Workflow steps
6 steps, taken from the step headings in SKILL.md.
- Parse Arguments
- Locate Script
- Execute Search
- Parse Results
- Present Results
- Offer Follow-up
What it can do on your machine
Read from SKILL.md and the folder at commit 7132192. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
Bash(*)ReadWrite
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
python3pip
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
openalex.org
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names these keys or tokens, usually read from environment variables:
OPENALEX_API_KEY
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Openalex loads about 2.1k tokens when it runs. Until then it costs about 69 tokens; SKILL.md has 750 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check: notes
The automated check noted patterns worth knowing about, such as sudo or a known installer.
- NoteMentions a .env fileSKILL.md:58
**Optional: API keys** — Create `.claude/.env` in project root: - NoteMentions a .env fileSKILL.md:61
cp .claude/.env.example .claude/.env - NoteMentions a .env fileSKILL.md:64
# .claude/.env - NoteMentions a .env fileSKILL.md:69
Claude Code automatically loads `.claude/.env` as environment variables. - NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
allowed-tools: Bash(*), Read, Write
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Without a licence we can't republish the file, so here is its outline and opening line. It has 750 words (~2,055 tokens).
- name
- openalex
- allowed-tools
- Bash(*), Read, Write
- argument-hint
- search-query
Files
Just SKILL.md in skills/openalex of AI4Scientist/nano-scientist.
Open the folder on GitHubat commit 7132192
Used in 2 other repositories
We found 5 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in AI4Scientist/nano-scientist, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Openalex next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Openalex this skillAI4Scientist/nano-scientist | 128 | 2 repos | ~2.1k | Automated safety check: Notes | None | |
| Literature Reviewneflibata-feng/MyArxiv-Agent | 126 | 20 repos | ~5.9k | Automated safety check: Notes | MIT | |
| Paper Research on arXivXiaomiMiMo/MiMo-Code | 14k | — | ~1.5k | Automated safety check: Pass | MIT | |
| Paper Searchopenags/paper-search-mcp | 2.8k | — | ~1.2k | Automated safety check: Notes | MIT | |
| Literature Review AgentAr9av/PaperOrchestra | 677 | 1 repos | ~5.2k | Automated safety check: Pass | Custom licence | |
| Nature Academic Searchwp-a/nature-academic-search | 301 | — | ~1.4k | Automated safety check: Pass | MIT |
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Search, download, and read academic papers from 20+ sources (arXiv, PubMed, Semantic Scholar, CrossRef, etc).
Literature Review Agent
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Step 3 of the PaperOrchestra pipeline (arXiv:2604.05018). An agent skill from Ar9av/PaperOrchestra.
Nature Academic Search
wp-a/nature-academic-search
A skill your agent uses when users ask to 找文献、做文献检索、查论文、查临床试验、核验引用、去重文献、设计 PubMed/MeSH 检索式、追踪上下游引文、解析 DOI/PMID/PMCID/arXiv/OpenAlex/Semantic Scholar/NCT ID， 或导出 RIS、BibTeX、NBIB、ENW；also use for…
PaperSeek Literature Search
MingfengHong/paperseek
Routes literature searches through the PaperSeek launcher, picks suitable scholarly sources, parses JSON output and keeps API keys out of the chat.
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Related
Works with
Categories
Questions about Openalex
What does Openalex do?
Search academic papers via OpenAlex API for open citation data, institutional affiliations, and funding information. Openalex is an agent skill from AI4Scientist/nano-scientist. Search academic papers via OpenAlex API for open citation data, institutional affiliations, and funding information.
When should I use Openalex?
Openalex fits situations like: user says openalex search; search openalex; open citation graph; wants comprehensive academic metadata beyond arXiv/Semantic Scholar.
How do I install Openalex in Claude Code?
Run `npx skills add AI4Scientist/nano-scientist --skill openalex -a claude-code`. Or copy the skill folder (skills/openalex in AI4Scientist/nano-scientist) into .claude/skills/openalex in your project. Claude Code loads it when a task matches its description.
How do I install Openalex in Codex?
Run `npx skills add AI4Scientist/nano-scientist --skill openalex -a codex`. Or copy the skill folder (skills/openalex in AI4Scientist/nano-scientist) into .agents/skills/openalex in your project. Codex loads it when a task matches its description.
Can I use Openalex in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add AI4Scientist/nano-scientist --skill openalex -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/openalex, .gemini/skills/openalex, .github/skills/openalex and .opencode/skills/openalex in your project.
What does Openalex need to run?
Going by SKILL.md and its folder, Openalex needs the command-line tools its instructions call (python3 and pip) and credentials named OPENALEX_API_KEY. Our summary lists: Python 3; A credential in OPENALEX_API_KEY. Its frontmatter pre-approves these tools: Bash(*), Read, Write.
Does Openalex access the network?
SKILL.md names 1 domain. As links in the text: openalex.org. This is read from the text; nothing was executed.
Is Openalex safe to install?
Our automated static check of SKILL.md found notes only (mentions a .env file; pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.
What licence does Openalex use?
No licence was found for Openalex or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Openalex use?
About 2.1k tokens (SKILL.md is roughly 8.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Openalex?
Skills that share tags, products or a category with Openalex: Literature Review (neflibata-feng/MyArxiv-Agent, 126 stars), Paper Research on arXiv (XiaomiMiMo/MiMo-Code, 14k stars), Paper Search (openags/paper-search-mcp, 2.8k stars) and Literature Review Agent (Ar9av/PaperOrchestra, 677 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Openalex?
AI4Scientist (a GitHub organization) maintains it in AI4Scientist/nano-scientist, which has 128 GitHub stars. The repository holds 74 skills in this directory. The repository was last updated on June 3, 2026.
Source: AI4Scientist/nano-scientist on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.