rootcause-mcp: Skill for Claude Code

.claude/skills/pubmed-multi-source-search/SKILL.md

pubmed-multi-source-search is a skill for Claude Code from u9401066/rootcause-mcp. It costs 44 tokens per session (1,088 once invoked), scanned A, a copy of pubmed-multi-source-search, Apache-2.0.

A literature-search workflow that searches several academic databases at once, including PubMed, OpenAlex, Semantic Scholar, Europe PMC, and Crossref. It combines results and removes duplicates; PubMed is a database of biomedical research papers, while Europe PMC also provides biomedical literature and preprints.

In plain words
What is it for?
Use it to search broadly for research papers, biomedical studies, related preprints, or cross-disciplinary literature.
Why use it?
It avoids repeating the same search across separate databases and helps find papers that one database might miss. Results can be filtered by sources, quality, recency, and preprints.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is u9401066/rootcause-mcp's own configuration. It tells Claude Code how to work on rootcause-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything rootcause-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to u9401066/rootcause-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/u9401066/rootcause-mcp/master/.claude/skills/pubmed-multi-source-search/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/u9401066/rootcause-mcp

Made for: Claude Code.

Wrote 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.

agentmods badge for pubmed-multi-source-search

README.md
[![agentmods](https://agentmods.dev/badge/skills/u9401066/rootcause-mcp/pubmed-multi-source-search/github.svg)](https://agentmods.dev/skills/u9401066/rootcause-mcp/pubmed-multi-source-search)
Your own site
<a href="https://agentmods.dev/skills/u9401066/rootcause-mcp/pubmed-multi-source-search"><img src="https://agentmods.dev/badge/skills/u9401066/rootcause-mcp/pubmed-multi-source-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.

agentmods 80×15 button for pubmed-multi-source-search

Your own site · 80×15
<a href="https://agentmods.dev/skills/u9401066/rootcause-mcp/pubmed-multi-source-search"><img src="https://agentmods.dev/badge/skills/u9401066/rootcause-mcp/pubmed-multi-source-search.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,088 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00044 $0.01088
Opus 5 $0.00022 $0.00544
Sonnet 5 $0.00009 $0.00218
Haiku 4.5 $0.00004 $0.00109

Measured 8d ago against content hash 8d47f294fb42, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

pubmed-multi-source-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 8d 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.

Origin

This is a copy

100% identical to pubmed-multi-source-search — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/pubmed-multi-source-search/SKILL.md · 187 lines

How it starts

The opening of the file, as written. The whole thing — 187 lines — stays where its author put it; the contents beside it link to each section on GitHub.

多來源綜合搜尋

描述

目前公開的多來源搜尋入口是 unified_search。它會自動在 PubMed、OpenAlex、Semantic Scholar、Europe PMC、CrossRef 之間分流,並在單次搜尋內做整合與去重。

觸發條件

  • 「跨資料庫搜尋」
  • 「綜合搜尋」
  • 「不要只看 PubMed」
  • 提到 OpenAlex、Semantic Scholar、Europe PMC、preprint
  • 需要跨來源補足 coverage

核心原則

新 workflow 不再直接依賴多個來源別 MCP 工具。對大多數文獻搜尋情境,應優先使用 unified_search,而不是舊的來源別工具名稱。


核心工具

unified_search(
    query="machine learning drug discovery",
    sources="pubmed,openalex,semantic_scholar,europe_pmc",
    limit=25,
    ranking="balanced",
    output_format="json"
)

sources 可選值

  • pubmed
  • openalex
  • semantic_scholar
  • europe_pmc
  • crossref

如果不指定,系統會自動選來源。


常見用法

1. 廣泛覆蓋

unified_search(
    query="machine learning drug discovery",
    limit=30,
    ranking="balanced"
)

2. 只看生醫核心來源

unified_search(
    query="sepsis biomarkers",
    sources="pubmed,europe_pmc",
    limit=25,
    ranking="quality"
)

3. 納入預印本

unified_search(
    query="COVID-19 vaccine efficacy",
    sources="pubmed,europe_pmc,openalex",
    options="preprints",
    limit=30,
    ranking="recency"
)

4. 看高影響力跨領域文獻

unified_search(
    query="foundation models pathology",
    sources="pubmed,openalex,semantic_scholar",
    limit=30,
    ranking="impact"
)

5. 程式化後處理

unified_search(
    query="CRISPR gene therapy",
    sources="pubmed,openalex,semantic_scholar,europe_pmc",
    limit=20,
    output_format="json"
)

建議工作流程

情境 1:跨來源找完整 coverage

unified_search(
    query="remimazolam sedation",
    sources="pubmed,europe_pmc,openalex,semantic_scholar",
    limit=30,
    ranking="balanced"
)

情境 2:先找文獻,再補全文

unified_search(
    query="machine learning radiology",
    limit=20,
    output_format="json"
)

# 對選中的 PMID / DOI 進一步抓全文
get_fulltext(pmid="12345678", extended_sources=True)

情境 3:跨來源搜尋後做探索

unified_search(
    query="CAR-T lymphoma",
    limit=15,
    ranking="impact"
)

find_related_articles(pmid="12345678")
find_citing_articles(pmid="12345678")
get_citation_metrics(pmids="12345678,23456789")

Read the full file on GitHub · 187 lines

Changes

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.

  1. 8d ago First seen · 187 lines · 44 tokens per session scan A 8d47f294fb42

Subscribe to this mod's changes

pubmed-multi-source-search is a skill published in the GitHub repository u9401066/rootcause-mcp (0 stars, last pushed 5d ago), licensed Apache-2.0. It adds 44 tokens to every session and 1,088 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to pubmed-multi-source-search, differing in 2 lines, and is treated as a copy.

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