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 silverstein/claude-scientific-skills-desktop --skill scientific-critical-thinkinggit clone --depth 1 https://github.com/silverstein/claude-scientific-skills-desktopWrote 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/silverstein/claude-scientific-skills-desktop/scientific-critical-thinking)<a href="https://agentmods.dev/skills/silverstein/claude-scientific-skills-desktop/scientific-critical-thinking"><img src="https://agentmods.dev/badge/skills/silverstein/claude-scientific-skills-desktop/scientific-critical-thinking/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/silverstein/claude-scientific-skills-desktop/scientific-critical-thinking"><img src="https://agentmods.dev/badge/skills/silverstein/claude-scientific-skills-desktop/scientific-critical-thinking.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 | $0.00040 | $0.04468 |
| Opus 5 | $0.00020 | $0.02234 |
| Sonnet 5 | $0.00008 | $0.00894 |
| Haiku 4.5 | $0.00004 | $0.00447 |
Grade A, and why
scientific-critical-thinking 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 9d 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.
This is a copy
94% identical to scientific-critical-thinking — 33 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.
How it starts
The opening of the file, as written. The whole thing — 531 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Scientific Critical Thinking
Overview
Critical thinking is a systematic process for evaluating scientific rigor. Assess methodology, experimental design, statistical validity, biases, confounding, and evidence quality using GRADE and Cochrane ROB frameworks. Apply this skill for critical analysis of scientific claims.
When to Use This Skill
This skill should be used when:
- Evaluating research methodology and experimental design
- Assessing statistical validity and evidence quality
- Identifying biases and confounding in studies
- Reviewing scientific claims and conclusions
- Conducting systematic reviews or meta-analyses
- Applying GRADE or Cochrane risk of bias assessments
- Providing critical analysis of research papers
Core Capabilities
1. Methodology Critique
Evaluate research methodology for rigor, validity, and potential flaws.
Apply when:
- Reviewing research papers
- Assessing experimental designs
- Evaluating study protocols
- Planning new research
Evaluation framework:
-
Study Design Assessment
- Is the design appropriate for the research question?
- Can the design support causal claims being made?
- Are comparison groups appropriate and adequate?
- Consider whether experimental, quasi-experimental, or observational design is justified
-
Validity Analysis
- Internal validity: Can we trust the causal inference?
- Check randomization quality
- Evaluate confounding control
- Assess selection bias
- Review attrition/dropout patterns
- External validity: Do results generalize?
- Evaluate sample representativeness
- Consider ecological validity of setting
- Assess whether conditions match target application
- Construct validity: Do measures capture intended constructs?
- Review measurement validation
- Check operational definitions
- Assess whether measures are direct or proxy
- Statistical conclusion validity: Are statistical inferences sound?
- Verify adequate power/sample size
- Check assumption compliance
- Evaluate test appropriateness
- Internal validity: Can we trust the causal inference?
What ships with it
6 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.
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.
- 9d ago First seen · 531 lines · 40 tokens per session scan A cf8cab0bff75
scientific-critical-thinking is a skill published in the GitHub repository silverstein/claude-scientific-skills-desktop (22 stars, last pushed 5mo ago), licensed MIT. It adds 40 tokens to every session and 4,468 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 94% identical to scientific-critical-thinking, differing in 33 lines, and is treated as a copy.
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