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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

36 361–36 420 of 62 217

page 607 of 1 037
Precision Oncology Agent
by BioTender-max
876 tokens
Prior Auth Coworker
by BioTender-max
5k tokens scripts
Protac Design Agent
by BioTender-max
2k tokens
Protein Structure Prediction
by BioTender-max
5k tokens scripts
Prs Net Deep Learning Agent
by BioTender-max
2k tokens
Psychologist Analyst
by BioTender-max

| Analyzes events through psychological lens using cognitive psychology, social psychology, developmental psychology, clinical psychology, and neuroscience. Provides insights on behavior, cognition, emotion, motivation, group dynamics, decision-making biases, mental health, and individual differences.

27k tokens
Pubmed Search
by BioTender-max

Search PubMed for scientific literature. Use when the user asks to find papers, search literature, look up research, find publications, or asks about recent studies. Triggers on "pubmed", "papers", "literature", "publications", "research on", "studies about".

753 tokens
Pytorch Lightning
by BioTender-max

Deep learning framework (PyTorch Lightning). Organize PyTorch code into LightningModules, configure Trainers for multi-GPU/TPU, implement data pipelines, callbacks, logging (W&B, TensorBoard), distributed training (DDP, FSDP, DeepSpeed), for scalable neural network training.

34k tokens scripts
Radgpt Radiology Reporter
by BioTender-max
476 tokens
Radiomics Pathomics Fusion Agent
by BioTender-max
2k tokens
Recovery Community Moderator
by BioTender-max

Trauma-informed AI moderator for addiction recovery communities. Applies harm reduction principles, honors 12-step traditions, distinguishes healthy conflict from abuse, detects crisis posts. Activate on 'community moderation', 'moderate forum', 'review post', 'check content', 'crisis detection'. NOT for legal documents (use recovery-app-legal-terms), app development (use domain skills), or therapy (use jungian-psychologist).

7k tokens scripts
Regulatory Drafter
by BioTender-max
3k tokens scripts
Regulatory Drafting
by BioTender-max
2k tokens scripts
Rehabilitation Analyzer
by BioTender-max

分析康复训练数据、识别康复模式、评估康复进展,并提供个性化康复建议

4k tokens zh
Research Literature
by BioTender-max
3k tokens scripts
Rna Velocity Agent
by BioTender-max
1k tokens
Scfoundation Model Agent
by BioTender-max
2k tokens
Scientific Manuscript
by BioTender-max
1k tokens
Scrna Qc
by BioTender-max
10k tokens scripts
Search Strategy
by BioTender-max
2k tokens
Simo Multiomics Integration Agent
by BioTender-max
2k tokens
Simulation Orchestrator
by BioTender-max

Orchestrate multi-simulation campaigns including parameter sweeps, batch jobs, and result aggregation. Use for running parameter studies, managing simulation batches, tracking job status, combining results from multiple runs, or automating simulation workflows.

14k tokens scripts
Simulation Validator
by BioTender-max

Validate simulations before, during, and after execution. Use for pre-flight checks, runtime monitoring, post-run validation, diagnosing failed simulations, checking convergence, detecting NaN/Inf, or verifying mass/energy conservation.

9k tokens scripts
Single-cell annotation skills with omicverse
by BioTender-max

Guide Claude through SCSA, MetaTiME, CellVote, CellMatch, GPTAnno, and weighted KNN transfer workflows for annotating single-cell modalities.

4k tokens
Single-cell CellPhoneDB communication mapping
by BioTender-max

Run omicverse's CellPhoneDB v5 wrapper on annotated single-cell data to infer ligand-receptor networks and produce CellChat-style visualisations.

2k tokens
Single-cell clustering and batch correction with omicverse
by BioTender-max

Guide Claude through omicverse's single-cell clustering workflow, covering preprocessing, QC, multimethod clustering, topic modeling, cNMF, and cross-batch integration as demonstrated in t_cluster.ipynb and t_single_batch.ipynb.

3k tokens
Single-cell downstream analysis
by BioTender-max

Checklist-style reference for OmicVerse downstream tutorials covering AUCell scoring, metacell DEG, and related exports.

4k tokens
Single-cell multi-omics integration
by BioTender-max

Quick-reference sheet for OmicVerse tutorials spanning MOFA, GLUE pairing, SIMBA integration, TOSICA transfer, and StaVIA cartography.

2k tokens
Single-cell preprocessing with omicverse
by BioTender-max

Walk through omicverse's single-cell preprocessing tutorials to QC PBMC3k data, normalise counts, detect HVGs, and run PCA/embedding pipelines on CPU, CPU–GPU mixed, or GPU stacks.

4k tokens
Single2Spatial spatial mapping
by BioTender-max

Map scRNA-seq atlases onto spatial transcriptomics slides using omicverse's Single2Spatial workflow for deep-forest training, spot-level assessment, and marker visualisation.

1k tokens
Single-trajectory analysis
by BioTender-max

Guide to reproducing OmicVerse trajectory workflows spanning PAGA, Palantir, VIA, velocity coupling, and fate scoring notebooks.

2k tokens
Sleep Analyzer
by BioTender-max

分析睡眠数据、识别睡眠模式、评估睡眠质量,并提供个性化睡眠改善建议。支持与其他健康数据的关联分析。

5k tokens zh
Slurm Job Script Generator
by BioTender-max

Generate SLURM `sbatch` job scripts and sanity-check HPC resource requests (nodes, tasks, CPUs, memory, GPUs) for simulation runs. Use when preparing submission scripts, deciding MPI vs MPI+OpenMP layouts, standardizing `#SBATCH` directives, or debugging job launch configuration (`sbatch`/`srun`).

6k tokens scripts
Spatial Communication
by BioTender-max
3k tokens scripts
Spatial Data Io
by BioTender-max
2k tokens scripts
Spatial Deconvolution
by BioTender-max
3k tokens scripts
Spatial Domains
by BioTender-max
2k tokens scripts
Spatial Epigenomics Agent
by BioTender-max
1k tokens
Spatial Multiomics
by BioTender-max
3k tokens scripts
Spatial Neighbors
by BioTender-max
2k tokens scripts
Spatial Preprocessing
by BioTender-max
2k tokens scripts
Spatial Proteomics
by BioTender-max
3k tokens scripts
Spatial Statistics
by BioTender-max
2k tokens scripts
Spatial Transcriptomics Analysis
by BioTender-max
1k tokens scripts
Spatial transcriptomics tutorials with omicverse
by BioTender-max

Guide users through omicverse's spatial transcriptomics tutorials covering preprocessing, deconvolution, and downstream modelling workflows across Visium, Visium HD, Stereo-seq, and Slide-seq datasets.

5k tokens
Spatial Visualization
by BioTender-max
2k tokens scripts
Structural Variant Calling
by BioTender-max
4k tokens scripts
Tcell Exhaustion Analysis Agent
by BioTender-max
1k tokens
TCGA bulk data preprocessing with omicverse
by BioTender-max

Guide Claude through ingesting TCGA sample sheets, expression archives, and clinical carts into omicverse, initialising survival metadata, and exporting annotated AnnData files.

1k tokens
Tcm Constitution Analyzer
by BioTender-max

分析中医体质数据、识别体质类型、评估体质特征,并提供个性化养生建议。支持与营养、运动、睡眠等健康数据的关联分析。

3k tokens zh
Tcr Pmhc Prediction Agent
by BioTender-max
2k tokens
Tcr Repertoire Analysis Agent
by BioTender-max
2k tokens
Time Resolved Cryoem Agent
by BioTender-max
2k tokens
Time Stepping
by BioTender-max

Plan and control time-step policies for simulations. Use when coupling CFL/physics limits with adaptive stepping, ramping initial transients, scheduling outputs/checkpoints, or planning restart strategies for long runs.

10k tokens scripts
Tme Immune Profiling Agent
by BioTender-max
2k tokens
Tooluniverse Adverse Event Detection
by BioTender-max

Detect and analyze adverse drug event signals using FDA FAERS data, drug labels, disproportionality analysis (PRR, ROR, IC), and biomedical evidence. Generates quantitative safety signal scores (0-100) with evidence grading. Use for post-market surveillance, pharmacovigilance, drug safety assessment, adverse event investigation, and regulatory decision support.

22k tokens scripts
Tooluniverse Antibody Engineering
by BioTender-max

Comprehensive antibody engineering and optimization for therapeutic development. Covers humanization, affinity maturation, developability assessment, and immunogenicity prediction. Use when asked to optimize antibodies, humanize sequences, or engineer therapeutic antibodies from lead to clinical candidate.

37k tokens scripts
Tooluniverse Binder Discovery
by BioTender-max

Discover novel small molecule binders for protein targets using structure-based and ligand-based approaches. Creates actionable reports with candidate compounds, ADMET profiles, and synthesis feasibility. Use when users ask to find small molecules for a target, identify novel binders, perform virtual screening, or need hit-to-lead compound identification.

27k tokens
Tooluniverse Cancer Variant Interpretation
by BioTender-max

Provide comprehensive clinical interpretation of somatic mutations in cancer. Given a gene symbol + variant (e.g., EGFR L858R, BRAF V600E) and optional cancer type, performs multi-database analysis covering clinical evidence (CIViC), mutation prevalence (cBioPortal), therapeutic associations (OpenTargets, ChEMBL, FDA), resistance mechanisms, clinical trials, prognostic impact, and pathway context. Generates an evidence-graded markdown report with actionable recommendations for precision oncology. Use when oncologists, molecular tumor boards, or researchers ask about treatment options for specific cancer mutations, resistance mechanisms, or clinical trial matching.

21k tokens scripts
Tooluniverse Chemical Compound Retrieval
by BioTender-max

Retrieves chemical compound information from PubChem and ChEMBL with disambiguation, cross-referencing, and quality assessment. Creates comprehensive compound profiles with identifiers, properties, bioactivity, and drug information. Use when users need chemical data, drug information, or mention PubChem CID, ChEMBL ID, SMILES, InChI, or compound names.

4k 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.