Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
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Claude Engineering Skills (Page 3 of 328)

Code review, refactoring, testing, DevOps, CI/CD, databases, cloud platforms, and full-stack development skills for Claude Code.

19,678 skills · updated 2026-06-16 · showing 121–180 of 19,678 by quality score

Sub-topics:Testing (2,872)Devops (2,845)Architecture (2,159)Backend (1,672)Frontend (1,281)Languages (1,048)Code Quality (978)Cloud Platforms (923)

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Use when applying Behavior-Driven Development patterns including Given-When-Then structure, feature files, and acceptance criteria.
Use when writing effective BDD scenarios including acceptance criteria, edge cases, and scenario organization. Use when defining behavior specifications.
Backend-for-Frontend architecture patterns for API aggregation, data transformation, and client-specific optimization.
Run remote BLAST searches against NCBI databases using Biopython Bio.Blast. Use when identifying unknown sequences, finding homologs, or searching for sequence similarity — from…
Analyze codon usage, calculate CAI (Codon Adaptation Index), and examine synonymous codon bias using Biopython.
Detect positive selection using dN/dS (omega) tests with PAML codeml and HyPhy. Identify sites and branches under adaptive evolution through codon models and branch-site tests.
Retrieve records from NCBI databases using Biopython Bio.Entrez. Use when downloading sequences, fetching GenBank records, getting document summaries, or parsing NCBI data into…
Find cross-references between NCBI databases using Biopython Bio.Entrez. Use when navigating from genes to proteins, sequences to publications, finding related records, o — from…
Search NCBI databases using Biopython Bio.Entrez. Use when finding records by keyword, building complex search queries, discovering database structure, or getting global query…
Compute evolutionary distances and build phylogenetic trees using Biopython Bio.Phylo.TreeConstruction.
Read, write, and convert phylogenetic tree files using Biopython Bio.Phylo. Use when parsing Newick, Nexus, PhyloXML, or NeXML tree formats, converting between formats, o — from…
Modify phylogenetic tree structure using Biopython Bio.Phylo. Use when rooting trees with outgroups or midpoint, pruning taxa, collapsing clades, ladderizing branches, or — from…
Draw and export phylogenetic trees using Biopython Bio.Phylo with matplotlib. Use when creating publication-quality tree figures, customizing colors and labels, or exporting to…
Genome-wide association studies (GWAS) with PLINK. Perform case-control and quantitative trait association testing using logistic/linear regression with covariates, gener — from…
Build reproducible scientific documents, presentations, and websites with Quarto supporting R, Python, Julia, and Observable JS.
Select restriction enzymes by criteria using Biopython Bio.Restriction. Find enzymes that cut once, don't cut, produce specific overhangs, are commercially available, or — from…
Analyze restriction digest fragments using Biopython Bio.Restriction. Predict fragment sizes, get fragment sequences, simulate gel electrophoresis patterns, and perform d — from…
Create restriction maps showing enzyme cut positions on DNA sequences using Biopython Bio.Restriction.
Find restriction enzyme cut sites in DNA sequences using Biopython Bio.Restriction. Search with single enzymes, batches of enzymes, or commercially available enzyme sets — from…
Generate reverse complements and complements of DNA/RNA sequences using Biopython. Use when working with opposite strands, primer design, or converting between template a — from…
Create and manipulate Seq, MutableSeq, and SeqRecord objects using Biopython. Use when creating sequences from strings, modifying sequence data in-place, or building anno — from…
Slice, extract, and concatenate biological sequences using Biopython. Use when extracting subsequences, joining sequences, or manipulating sequence regions by position.
End-to-end 16S amplicon workflow from FASTQ reads to differential abundance. Orchestrates DADA2 ASV inference, taxonomy assignment, diversity analysis, and compositional — from…
Biocompatibility test selection and protocol recommendation skill based on device categorization
Use when modifying existing files, refactoring, improving code quality, or touching legacy code by applying the Boy Scout Rule to leave code better than you found it.
Fast headless browser for QA testing and site dogfooding. Navigate any URL, interact with elements, verify page state, diff before/after actions, take annotated screensho — from…
Opens browser at URL for E2E testing via playwright-cli. Provides CLI commands for navigation, screenshots, and interaction.
Use when writing tests with Bun's built-in test runner. Covers test organization, assertions, mocking, and snapshot testing using Bun's fast test infrastructure.
Expert skill for bytecode virtual machine design including instruction set design, dispatch mechanisms, and stack/register architectures
Interactively adds a new subdomain to the network infrastructure by gathering service details, configuring domains.toml, and applying changes.
Safety guardrails for destructive commands. Warns before rm -rf, DROP TABLE, force-push, git reset --hard, kubectl delete, and similar destructive operations.
AI-guided CAR-T cell design for solid tumors using antigen prioritization, safety-by-design architectures, and exhaustion-resistant engineering.
Daily, weekly, and monthly cash forecasting skill with scenario analysis and liquidity stress testing
Catalyst performance analysis skill for activity testing, deactivation modeling, and optimization
로깅 컨벤션 검증 스킬. Python 코드의 로깅 패턴을 분석하여 규칙 준수 여부를 검사한다.
Run full Chipyard-to-ORFS PnR flow with multi-round parameter iteration in Docker: generate RTL from Chipyard Docker, preprocess nosram+SRAM override, run 3 rounds of ORFS…
Use after creating PR - monitor CI pipeline, resolve failures, address review feedback, and merge when all gates pass
Interprets GitHub Actions run status and logs, diagnoses CI failure patterns, and suggests targeted fixes.
CI/CD architecture specialist. TRIGGER when: user needs GitHub Actions workflow design, Azure DevOps Pipelines (YAML), GitOps for AKS or Container Apps, ring deployments,…
Configura CI/CD com GitHub Actions, Docker e deploy automatizado. Use quando precisar criar pipelines de CI/CD, configurar Docker, ou automatizar deploys de projetos Laravel.
Expert-level CI/CD with GitHub Actions, Jenkins, deployment pipelines, and automation
Kubernetes operator for Gas Town multi-agent orchestration. Triggers on "create polecat", "spawn worker", "kubernetes polecat", "deploy convoy".
Claudeception is a continuous learning system that extracts reusable knowledge from work sessions. Triggers: (1) /claudeception command to review session learnings, (2) "save this…
Nanofabrication metrology skill for process control with CD-SEM, ellipsometry, and profilometry
Fetch, filter, and create ClickUp tickets directly from Claude Code or Codex. Read tickets by ID, filter by status/assignee/tags/dates, view your assigned tickets, create tickets…
Structure raw clinical notes into SOAP-format summaries with explicit contradictions, missing data, and ICD-linked assessments using the provided prompt + usage script.
Uploads promo videos and content to Cloudflare R2 or AWS S3. Use when the user wants to host promo content for social media or distribution.
Adds new users to Cloudflare Access authentication by updating ACCESS_ALLOWED_EMAIL in .env and syncing policies to all protected services.
Configures Cloudflare Access authentication with Google OAuth for protected services. Use when you need to set up authentication, configure Google OAuth, protect services with…
Diagnoses and fixes Cloudflare Access authentication issues including Google OAuth errors, access denied after login, login loops, CookieMismatch errors, and "can only be used…
Hit the Cloudflare REST API directly for operations that wrangler and MCP can't handle well. Bulk DNS, custom hostnames, email routing, cache purge, WAF rules, redirect rules,…
Performs low-level Cloudflare DNS operations including adding, updating, deleting DNS records, managing zone settings, and dynamic DNS updates via Cloudflare API.
Sets up a new Cloudflare Tunnel from scratch for secure remote access to home network services. Use when creating a new tunnel, replacing an expired tunnel token, or setting up…
Diagnoses and fixes Cloudflare Tunnel connectivity issues including stuck tunnels, failed connections, Error 1033, and tunnel registration problems.
Cloudflare Zero Trust Access authentication for Workers. Use for JWT validation, service tokens, CORS, or encountering preflight blocking, cache race conditions, missing JWT…
\"Get detailed context for code symbols using Lightning Code Index. 以LCI取符號詳細上下文含調用層次、引用、依賴。 Use when: getting symbol details, call hierarchy, saving context manifests for…
Domain type design and architectural planning for Go code. Use when planning new features, designing self-validating types, preventing primitive obsession, or when refactoring…
Audit a codebase for maintenance and modernization. Challenges scope, reviews architecture/quality/tests/performance/dependencies, files deferred work via bd.
Proactively detect and execute code refactoring to maintain DDD architecture and code quality. Triggers: RF, refactor, 重構, 拆分, split, 模組化, modularize, 太長, cleanup, 整理, clean, 優化,…
Complete code review workflow for PR/MR with multiple reviewers and automated checks. Triggers: PRW, 審查流程, review workflow, PR review, MR review, pull request, merge request,…
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