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 Aperivue/medsci-skills --skill fulltext-retrievalgit clone --depth 1 https://github.com/Aperivue/medsci-skillsWrote 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/aperivue/medsci-skills/fulltext-retrieval)<a href="https://agentmods.dev/skills/aperivue/medsci-skills/fulltext-retrieval"><img src="https://agentmods.dev/badge/skills/aperivue/medsci-skills/fulltext-retrieval/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/aperivue/medsci-skills/fulltext-retrieval"><img src="https://agentmods.dev/badge/skills/aperivue/medsci-skills/fulltext-retrieval.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 3 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Tool Misuse · line 81 Tool calls are chained to bypass individual safety checks or escalate capabilities beyond what any single tool call would allow.Fix: Limit tool chaining depth and validate the output of each tool before passing it to the next. Require explicit user approval for multi-step chains.
- medium Excessive Agency · line 126 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
- medium Excessive Agency · line 255 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 | $0.00042 | $0.02769 |
| Opus 5 | $0.00021 | $0.01385 |
| Sonnet 5 | $0.00008 | $0.00554 |
| Haiku 4.5 | $0.00004 | $0.00277 |
Grade A, and why
fulltext-retrieval scanned grade A with 1 finding 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 4d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -sLo output.pdf \ How it starts
The opening of the file, as written. The whole thing — 257 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Fulltext Retrieval Skill
Batch download open-access full-text PDFs from a DOI list using legitimate OA APIs only.
Pipeline
DOI → arXiv (10.48550/arXiv.* DOIs) → Unpaywall → PMC (Europe PMC / OA FTP / web) → OpenAlex → Crossref → landing page
Each DOI goes through these sources in order until a valid PDF (≥10 KB, %PDF- header) is found. arXiv DOIs (10.48550/arXiv.2401.01234, version suffixes, old-style hep-th/9901001, or a bare arXiv: id) resolve directly to the arXiv PDF first.
Quick Start
# Prepare a DOI list (one per line)
cat > dois.txt << 'EOF'
10.1007/s00330-010-1783-x
10.1002/mp.12524
10.1148/radiol.13131265
EOF
# Run
python fetch_oa.py dois.txt --output pdfs/ --email [email protected]
# Verbose mode for debugging
python fetch_oa.py dois.txt -o pdfs/ -e [email protected] --verbose
Input Formats
Plain text — one DOI per line:
10.1007/s00330-010-1783-x
10.1002/mp.12524
TSV / CSV with header — must contain a DOI column; optional PMID, Title, and
FirstAuthor columns (first author's surname or full name for corroboration):
ID Title DOI PMID Year
1 Some paper 10.1007/s00330-010-1783-x 20628747 2010
Markdown table — a pipe table with a DOI column also works:
| DOI | PMID | Title |
|-----|------|-------|
| 10.1007/s00330-010-1783-x | 20628747 | Some paper |
When a PMID is available, the PMC lookup is more reliable (PMID → PMCID conversion).
Supply Title where available: a DOI-only worklist can download a PDF but cannot
establish title agreement. FirstAuthor is optional additional evidence.
PMC Download (JS-Challenge Resistant)
PMC web pages may block automated downloads with JavaScript proof-of-work challenges. This tool uses three fallback methods:
Method A: Europe PMC REST API (most reliable)
PMCID="PMC9733600"
curl -sLo output.pdf \
"https://europepmc.org/backend/ptpmcrender.fcgi?accid=${PMCID}&blobtype=pdf"
Method B: PMC OA FTP Service
What ships with it
12 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.
- fetch_oa_report_challenge/expected/projection.json 614 B
- fetch_oa_report_challenge/extracted_text.json 407 B
- fetch_oa_report_challenge/results.json 175 B
- fetch_oa_report_challenge/run_challenge.py 3.1 KB runs code
- fetch_oa_report_challenge/verify.sh 286 B runs code
- fetch_oa_report_challenge/worklist.tsv 326 B
- fetch_oa.py 31 KB runs code
- pdf_to_md.py 5.3 KB runs code
- references/find_available_pdf.js 3.0 KB runs code
- skill.yml 2.8 KB
- tests/test_pdf_to_md.py 2.2 KB runs code
- tests/test_source_identity.py 13 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.
- 4d ago Changed · +35 lines 4d1defdcb710
- 11d ago First seen · 222 lines · 42 tokens per session scan A d97c19a64d92
fulltext-retrieval is a skill published in the GitHub repository Aperivue/medsci-skills (291 stars, last pushed 3d ago), licensed MIT. It adds 42 tokens to every session and 2,769 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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