Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add LiHongwei-cn/lihongwei-cn --skill nature-academic-searchgit clone --depth 1 https://github.com/LiHongwei-cn/lihongwei-cnWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/lihongwei-cn/lihongwei-cn/nature-academic-search)<a href="https://agentmods.dev/skills/lihongwei-cn/lihongwei-cn/nature-academic-search"><img src="https://agentmods.dev/badge/skills/lihongwei-cn/lihongwei-cn/nature-academic-search/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/lihongwei-cn/lihongwei-cn/nature-academic-search"><img src="https://agentmods.dev/badge/skills/lihongwei-cn/lihongwei-cn/nature-academic-search.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00074 | $0.01274 |
| Opus 5 | $0.00037 | $0.00637 |
| Sonnet 5 | $0.00015 | $0.00255 |
| Haiku 4.5 | $0.00007 | $0.00127 |
Grade A, and why
nature-academic-search scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 124 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Academic Search
Multi-source literature search, citation verification, citation format conversion, and reference management via MCP tools.
MCP Tools
Core Search
| Tool | Source | Best For |
|---|---|---|
pubmed_search_articles |
PubMed MCP | Biomedical, MeSH, clinical trials |
search_crossref |
paper-search MCP | Cross-disciplinary, citation counts |
search_arxiv |
paper-search MCP | Preprints (physics, math, CS, biology) |
Extended Search
| Tool | Source | Best For |
|---|---|---|
search_google_scholar |
paper-search MCP | Broad academic search (scraped) |
search_semantic_scholar |
paper-search MCP | Citation graph, field-of-study filters |
search_biorxiv |
paper-search MCP | Biology preprints |
search_medrxiv |
paper-search MCP | Medical preprints |
search_webofscience |
paper-search MCP | Curated index, citation reports |
search_scopus |
paper-search MCP | Broad scholarly database |
PubMed Utilities
| Tool | Purpose |
|---|---|
pubmed_fetch_articles |
Full metadata by PMID |
pubmed_find_related |
Related article discovery |
pubmed_format_citations |
APA / MLA / BibTeX / RIS formatting |
pubmed_convert_ids |
DOI ↔ PMID ↔ PMCID conversion |
pubmed_lookup_mesh |
MeSH term exploration and hierarchy |
pubmed_lookup_citation |
Bibliographic citation → PMID lookup |
Source Routing
See Source Tiers & Reliability for the complete reliability classification and fallback routing rules. The T1→T2→T3 fallback chain is the standard execution order across all workflows.
Quick guide:
| User need | Primary (T1) | Secondary (T2) | Last Resort (T3) |
|---|---|---|---|
| Medical / clinical | PubMed | Semantic Scholar | Google Scholar |
| Cross-disciplinary | CrossRef | Semantic Scholar | Scopus |
| Preprints / CS / physics | arXiv | bioRxiv / medRxiv | — |
| Exhaustive review | PubMed + CrossRef + arXiv | Semantic Scholar + bioRxiv/medRxiv | WoS / Scopus |
| Citation count sensitive | Semantic Scholar | CrossRef | — |
| Chinese literature | — | — | CNKI / 万方 (manual) |
What ships with it
35 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- config/mcp-snippet.json 240 B
- config/settings-snippet.json 59 B
- config/triggers-academic-search.toml 477 B
- install.sh 3.5 KB runs code
- mcp-server/academic_search_server.py 12 KB runs code
- mcp-server/config.toml 249 B
- mcp-server/README.md 637 B
- mcp-server/requirements.txt 53 B
- mcp-server/sources/__init__.py 210 B runs code
- mcp-server/sources/arxiv.py 11 KB runs code
- mcp-server/sources/crossref.py 6.8 KB runs code
- mcp-server/sources/pubmed.py 11 KB runs code
- mcp-server/tests/__init__.py 40 B runs code
- mcp-server/tests/test_sources.py 26 KB runs code
- mcp-server/utils/__init__.py 359 B runs code
- mcp-server/utils/config.py 1.4 KB runs code
- mcp-server/utils/errors.py 620 B runs code
- mcp-server/utils/logging.py 1.1 KB runs code
- README.md 762 B
- references/citation-parser.md 2.7 KB
- references/dedup-engine.md 1.9 KB
- references/pubmed-28344011.bib 3.3 KB
- references/pubmed-28344011.nbib 12 KB
- references/pubmed-28344011.ris 3.4 KB
- references/ris-bibtex-format.md 4.3 KB
- references/search-strategy.md 2.0 KB
- references/source-tiers.md 2.7 KB
- references/workflows/wf1-multi-source-search.md 1.9 KB
- references/workflows/wf2-citation-verification.md 1.6 KB
- references/workflows/wf3-mesh-strategy.md 538 B
- references/workflows/wf4-citation-file-mgmt.md 1.4 KB
- references/workflows/wf5-reference-mgmt.md 1.3 KB
- scripts/converters.py 18 KB runs code
- scripts/format-converter.py 19 KB runs code
- scripts/preflight.py 3.7 KB runs code
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 124 lines · 74 tokens per session scan A d15b0e2420fd
nature-academic-search is a skill published in the GitHub repository LiHongwei-cn/lihongwei-cn (5 stars, last pushed 1mo ago), licensed MIT. It adds 74 tokens to every session and 1,274 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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