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Claude Skills

The open format is called Agent Skills and works in Claude Code, Codex, Cursor and other agents — most people know it as Claude Skills.

Every Agent Skill we could find on GitHub, deduplicated by content. 79 870 files from 1 769 authors, of which 62 217 are unique — the rest is the same skill repackaged into someone else's repository. For each one: what it weighs in tokens, whether it ships runnable scripts, and which MCP servers it needs.

62 217
unique skills
out of 79 870 files found on GitHub
17 653
are copies
same content, someone else's repository
1 743
tokens, median
what a typical skill costs you in context
7 935
name collisions
two skills with one name cannot sit side by side

36 241–36 300 of 62 217

page 605 of 1 037
Bulk RNA-seq deconvolution with Bulk2Single
by BioTender-max

Turn bulk RNA-seq cohorts into synthetic single-cell datasets using omicverse's Bulk2Single workflow for cell fraction estimation, beta-VAE generation, and quality control comparisons against reference scRNA-seq.

2k tokens
BulkTrajBlend trajectory interpolation
by BioTender-max

Extend scRNA-seq developmental trajectories with BulkTrajBlend by generating intermediate cells from bulk RNA-seq, training beta-VAE and GNN models, and interpolating missing states.

2k tokens
Bulk WGCNA analysis with omicverse
by BioTender-max

Assist Claude in running PyWGCNA through omicverse—preprocessing expression matrices, constructing co-expression modules, visualising eigengenes, and extracting hub genes.

2k tokens
Cancer Metabolism Agent
by BioTender-max
2k tokens
Care Coordination
by BioTender-max
4k tokens scripts
Cart Design Optimizer Agent
by BioTender-max
1k tokens
Cellagent Annotation
by BioTender-max
25k tokens scripts
Cellfree Rna Agent
by BioTender-max
1k tokens
Cellular Senescence Agent
by BioTender-max
1k tokens
Chatehr Clinician Assistant
by BioTender-max
454 tokens
Chematagent Drug Discovery
by BioTender-max
470 tokens
Chembl Search
by BioTender-max

Search ChEMBL bioactive molecules database with natural language queries. Find compounds and assay data with Valyu semantic search.

2k tokens scripts
Chemcrow Drug Discovery
by BioTender-max
7k tokens scripts
Chemical Property Lookup
by BioTender-max
2k tokens scripts
Chemist Analyst
by BioTender-max

| Analyzes events through chemistry lens using molecular structure, reaction mechanisms, thermodynamics, kinetics, and analytical techniques (spectroscopy, chromatography, mass spectrometry). Provides insights on chemical processes, material properties, reaction pathways, synthesis, and analytical methods.

24k tokens
Chemistry Agent
by BioTender-max
421 tokens
Chip Clonal Hematopoiesis Agent
by BioTender-max
2k tokens
Chromosomal Instability Agent
by BioTender-max
1k tokens
Claims Appeals
by BioTender-max
4k tokens scripts
Clinical Interpretation
by BioTender-max
4k tokens scripts
Clinical Nlp Extractor
by BioTender-max
5k tokens scripts
Clinical Note Summarization
by BioTender-max
10k tokens scripts
Clinical Trials Search
by BioTender-max

Search ClinicalTrials.gov with natural language queries. Find clinical trials, enrollment, and outcomes using Valyu semantic search.

2k tokens scripts
Cnv Caller Agent
by BioTender-max
1k tokens
Coagulation Thrombosis Agent
by BioTender-max
1k tokens
Compbioagent Explorer
by BioTender-max
487 tokens
Computational Pathology Agent
by BioTender-max
1k tokens scripts
Consensus Sequences
by BioTender-max
4k tokens scripts
Convergence Study
by BioTender-max

Spatial and temporal convergence analysis with Richardson extrapolation and Grid Convergence Index (GCI) for solution verification

9k tokens scripts
Crispr Guide Design
by BioTender-max
3k tokens scripts
Crispr Offtarget Predictor
by BioTender-max
1k tokens scripts
Cryoem AI Drug Design Agent
by BioTender-max
2k tokens
Ctdna Dynamics Mrd Agent
by BioTender-max
2k tokens
Cytokine Storm Analysis Agent
by BioTender-max
1k tokens
Dask
by BioTender-max

Distributed computing for larger-than-RAM pandas/NumPy workflows. Use when you need to scale existing pandas/NumPy code beyond memory or across clusters. Best for parallel file processing, distributed ML, integration with existing pandas code. For out-of-core analytics on single machine use vaex; for in-memory speed use polars.

19k tokens
Statistical Analysis (Universal)
by BioTender-max

Perform statistical tests, hypothesis testing, correlation analysis, and multiple testing corrections using scipy and statsmodels. Works with ANY LLM provider (GPT, Gemini, Claude, etc.).

4k tokens
Data Visualization Biomedical
by BioTender-max
2k tokens
Data Visualization Expert
by BioTender-max
614 tokens
Deep Research Swarm
by BioTender-max
430 tokens
Deep Research
by BioTender-max

Execute autonomous multi-step deep research on any topic. Use when the user asks for comprehensive research, literature reviews, competitive analysis, topic deep-dives, or wants to understand a complex subject from multiple angles. Triggers on "deep research", "research on", "investigate", "literature review", "comprehensive analysis", "what do we know about", "summarize research on".

1k tokens
Deep Visual Proteomics Agent
by BioTender-max
1k tokens
Deepvariant
by BioTender-max
3k tokens scripts
Differentiation Schemes
by BioTender-max

Select and apply numerical differentiation schemes for PDE/ODE discretization. Use when choosing finite difference/volume/spectral schemes, building stencils, handling boundaries, estimating truncation error, or analyzing dispersion and dissipation.

11k tokens scripts
Digital Twin Clinical Agent
by BioTender-max
2k tokens
Drug Discovery Search
by BioTender-max

End-to-end drug discovery platform combining ChEMBL compounds, DrugBank, targets, and FDA labels. Natural language powered by Valyu.

2k tokens scripts
Drug Interaction Checker
by BioTender-max
1k tokens scripts
Drug Labels Search
by BioTender-max

Search FDA drug labels with natural language queries. Official drug information, indications, and safety data via Valyu.

2k tokens scripts
Drugbank Search
by BioTender-max

Search DrugBank comprehensive drug database with natural language queries. Drug mechanisms, interactions, and safety data powered by Valyu.

2k tokens scripts
Ehr Fhir Integration
by BioTender-max
5k tokens scripts
Emergency Card
by BioTender-max

生成紧急情况下快速访问的医疗信息摘要卡片。当用户需要旅行、就诊准备、紧急情况或询问"紧急信息"、"医疗卡片"、"急救信息"时使用此技能。提取关键信息(过敏、用药、急症、植入物),支持多格式输出(JSON、文本、二维码),用于急救或快速就医。

14k tokens zh
Epidemiologist Analyst
by BioTender-max

| Analyzes disease patterns and health events through epidemiological lens using surveillance systems, outbreak investigation methods, and disease modeling frameworks. Provides insights on disease spread, risk factors, prevention strategies, and public health interventions.

29k tokens
Epigenomics Methylgpt Agent
by BioTender-max
1k tokens
Exosome Ev Analysis Agent
by BioTender-max
1k tokens
Family Health Analyzer
by BioTender-max

分析家族病史、评估遗传风险、识别家庭健康模式、提供个性化预防建议

718 tokens zh
FASTQ analysis and RNA-seq alignment with omicverse
by BioTender-max

Guide through omicverse's alignment module for SRA downloading, FASTQ quality control, STAR alignment, gene quantification, and single-cell kallisto/bustools pipelines covering both bulk and single-cell RNA-seq workflows.

4k tokens
Fhir Development
by BioTender-max
3k tokens scripts
Filtering Best Practices
by BioTender-max
4k tokens scripts
Fitness Analyzer
by BioTender-max

分析运动数据、识别运动模式、评估健身进展,并提供个性化训练建议。支持与慢性病数据的关联分析。

2k tokens zh
Gatk Variant Calling
by BioTender-max
4k tokens scripts
Gene Panel Design Agent
by BioTender-max
1k tokens

Claude Skills — questions

Answers built from the skills we actually parsed.

What is a Claude Skill?
A folder with a SKILL.md file: instructions that teach an agent to do one thing well, optionally with scripts and reference files alongside. The format is open and called Agent Skills — Claude Code, Codex and other agents read the same files. It is not a program you run; it is knowledge the agent loads when the task calls for it.
How is a skill different from an MCP server?
A server gives the agent new abilities — it connects to something and exposes tools. A skill gives the agent knowledge: how to use what it already has. They combine, and often literally: 11 541 of the skills here declare which MCP servers they need to work.
Why are there fewer skills here than in other catalogues?
Because we deduplicate by content. Of 79 870 files found on GitHub, 62 217 are unique — the rest is the same skill copied into someone else's repository, word for word. Catalogues that count files rather than skills show every copy as a separate entry.
What does the token count mean?
A skill is loaded into the model's context when it is used, so its size is a running cost on every request that touches it. We measure the whole folder, not just SKILL.md: one official skill is 377 tokens, another drags 83 files of fonts behind it.
How do I install a skill?
Copy the skill folder into ~/.claude/skills for personal use, or into .claude/skills inside a project. The agent picks it up by the name in the SKILL.md header — which is worth checking: 7 935 skills here share a name with another skill, and two of them cannot sit side by side.