1,660 free skills
Debugging skills
Skills for systematic debugging — reproducing bugs, reading stack traces, bisecting regressions, and diagnosing flaky failures.
Sourced from real, public repositories — synced daily, never invented.
1,660 free skills
Skills for systematic debugging — reproducing bugs, reading stack traces, bisecting regressions, and diagnosing flaky failures.
Sourced from real, public repositories — synced daily, never invented.
15 tools across six categories
13 of them never send your data anywhere
Free · No signup · No trial clock
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axiom-swiftui-nav-diag
charleswiltgen/axiom
Use when debugging navigation not responding, unexpected pops, deep links showing wrong screen, state lost on tab switch or background, crashes in navigationDestination, or any SwiftUI navigation failure - systematic diagnostics with production crisis defense
debug
udecode/dotai
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes - four-phase framework with built-in backward tracing for deep-stack failures, ensuring root-cause understanding before implementation
axiom-build-debugging
charleswiltgen/axiom
Use when encountering dependency conflicts, CocoaPods/SPM resolution failures, "Multiple commands produce" errors, or framework version mismatches - systematic dependency and build configuration debugging for iOS projects. Includes pressure scenario guidance for resisting quick fixes under time constraints
ios-clean
garrytan/gstack
Remove the DebugBridge SPM package and all #if DEBUG wiring from an iOS app. (gstack)
performance
yonatangross/orchestkit
Performance optimization patterns covering Core Web Vitals, React render optimization, lazy loading, image optimization, backend profiling, LLM inference, and sustainability UX. Use when improving page speed, debugging slow renders, optimizing bundles, reducing image payload, profiling backend, deploying LLMs efficiently, or reducing digital carbon footprint.
writing-skills
pedronauck/skills
Author, refactor, and debug agent skills. Use when creating a new skill from scratch, pruning or restructuring a bloated SKILL.md, tightening a skill description's triggers, or diagnosing bundled references the agent ignores. Don't use for agent instruction files like CLAUDE.md or AGENTS.md (use writing-agents-md), general documentation, or READMEs.
lynx-debug-info-remapping
lynx-community/skills
Remap the function_id:pc_index to the original source code position by provided debug info json file.
tailwindcss-debugging
josiahsiegel/claude-plugin-marketplace
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ios-sync
garrytan/gstack
Regenerate the iOS debug bridge against the latest upstream gstack templates. (gstack)
react-admin
marmelab/react-admin
This skill should be used when building, modifying, or debugging a react-admin application — including creating resources, lists, forms, data fetching, authentication, relationships between entities, custom pages, or any CRUD admin interface built with react-admin.
axiom-auto-layout-debugging
charleswiltgen/axiom
Use when encountering "Unable to simultaneously satisfy constraints" errors, constraint conflicts, ambiguous layout warnings, or views positioned incorrectly - systematic debugging workflow for Auto Layout issues in iOS
google-tagmanager
henkisdabro/wookstar-claude-plugins
Comprehensive Google Tag Manager guide covering container setup, tags, triggers, variables, data layer, debugging, custom templates, and API automation. Use when working with GTM implementation, configuration, dataLayer push design, custom tag/template building, server-side container setup, GTM API automation, optimisation, or troubleshooting. Do NOT use for direct gtag.js/GA4 setup that bypasses GTM (use the google-analytics skill), Adobe Launch, Tealium, or other non-GTM tag management systems.
obsidian-cli
pedronauck/skills
Interact with Obsidian vaults using the Obsidian CLI to read, create, search, and manage notes, tasks, properties, and more. Also supports plugin and theme development with commands to reload plugins, run JavaScript, capture errors, take screenshots, and inspect the DOM. Use when the user asks to interact with their Obsidian vault, manage notes, search vault content, perform vault operations from the command line, or develop and debug Obsidian plugins and themes.
skill-architect
curiositech/some_claude_skills
Design, create, audit, and improve Claude Agent Skills with expert-level progressive disclosure. Use when building new skills, reviewing existing skills, debugging activation failures, encoding
axiom-storage-diag
charleswiltgen/axiom
Use when debugging 'files disappeared', 'data missing after restart', 'backup too large', 'can't save file', 'file not found', 'storage full error', 'file inaccessible when locked' - systematic local file storage diagnostics
context-engineering
siviter-xyz/dot-agent
Master context engineering for AI agent systems. Use when designing agent architectures, debugging context failures, optimizing token usage, implementing memory systems, building multi-agent coordination, evaluating agent performance, or developing LLM-powered pipelines. Covers context fundamentals, degradation patterns, optimization techniques, compression strategies, memory architectures, multi-agent patterns, evaluation, tool design, and project development.
investigating-incidents-with-aws-devops-agent
aws/agent-toolkit-for-aws
Run a deep root-cause investigation on the AWS DevOps Agent. Use when the user describes an incident, alarm, outage, or unexplained behavior — keywords like "5xx", "503", "OOM", "latency spike", "deployment failure", "rollback", "sev1", "investigate", "root cause", "debug", "alarm fired", "service down". Polls and streams progress, then surfaces recommendations.
kubernetes-specialist
pedronauck/skills
Use when deploying or managing Kubernetes workloads. Invoke to create deployment manifests, configure pod security policies, set up service accounts, define network isolation rules, debug pod crashes, analyze resource limits, inspect container logs, or right-size workloads. Use for Helm charts, RBAC policies, NetworkPolicies, storage configuration, performance optimization, GitOps pipelines, and multi-cluster management.
debugging-troubleshooting-2025
josiahsiegel/claude-plugin-marketplace
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axiom-objc-block-retain-cycles
charleswiltgen/axiom
Use when debugging memory leaks from blocks, blocks assigned to self or properties, network callbacks, or crashes from deallocated objects - systematic weak-strong pattern diagnosis with mandatory diagnostic rules
zeabur-deployment-logs
zeabur/agent-skills
Use when viewing service runtime or build logs. Use when user says "show logs", "why did deploy fail", "check build output", or "debug runtime error".
amazon-dynamodb
aws/agent-toolkit-for-aws
Designs, reviews, and debugs DynamoDB data layers from design axioms — enumerates access patterns, chooses partition/sort keys and GSIs, decides single-table vs. multi-table, configures Streams, Global Tables, TTL, vector indexes for similarity search, and zero-ETL integrations to OpenSearch/Redshift/SageMaker Lakehouse, and produces a defensible data-layer design with a monthly cost estimate and optional live validation. Applies whenever a user is designing, reviewing, or refactoring anything backed by DynamoDB — schemas, access patterns, GSIs, single- vs. multi-table choices, Streams consumers, transactional outboxes, Global Tables, zero-ETL pipelines, or storing embeddings and running semantic/vector similarity search with SearchVectors on items already in DynamoDB — even when they don't say "axioms" or "design review." Also applies when debugging hot partitions, throttling, unbounded Scans, LWW conflicts, or surprise bills on DynamoDB workloads.
cloudflare-images
secondsky/claude-skills
This skill should be used when the user asks to \"upload images to Cloudflare\", \"implement direct creator upload\", \"configure image transformations\", \"optimize WebP/AVIF\", \"create image variants\", \"generate signed URLs\", \"add image watermarks\", \"integrate with Next.js/Remix\", \"configure webhooks\", \"debug CORS errors\", \"troubleshoot error 5408/9401-9413\", or \"build responsive images with Cloudflare Images API\".
amplicode-install
amplicode/spring-skills
Installs the Amplicode IntelliJ plugin into IntelliJ IDEA (Ultimate/Community) and GigaIDE on the user's machine. Trigger explicitly when the user asks to install the Amplicode plugin into their IDE, in any language. Also trigger implicitly when another Spring Agent Toolkit skill (`spring-explore`, `spring-data-jpa`, `spring-data-jdbc`, `crud-rest-controller`, `dto-creator`, `mapper-creator`, `spring-security-configuration`, `spring-planning`, `java-debug`) detects that the Amplicode MCP server is not connected and delegates installation to this skill. After the IDE-plugin is installed, the user must open any project and click the "Настроить Spring Agent" button on the welcome screen — that is what triggers MCP auto-configuration and spring-skills install. This skill does NOT configure MCP itself. Skip GoLand, PyCharm, WebStorm, Rider, CLion, RubyMine, PhpStorm, DataGrip and other JetBrains products — only IDEA and GigaIDE are supported targets.
Convex Agents Debugging
sstobo/convex-skills
Troubleshoots agent behavior, logs LLM interactions, and inspects database state. Use this when responses are unexpected, to understand context the LLM receives, or to diagnose data issues.
xcodebuildmcp
getsentry/xcodebuildmcp
Official skill for XcodeBuildMCP. Use when doing iOS/macOS/watchOS/tvOS/visionOS work (build, test, run, debug, log, UI automation).
pal
pedronauck/skills
Comprehensive Pal MCP toolkit for code analysis, debugging, planning, refactoring, code review, and execution tracing. Provides systematic workflows with expert validation for complex development tasks.
ci-debugging
citypaul/.dotfiles
Systematic CI/CD failure diagnosis using hypothesis-first investigation, local reproduction, and environment delta analysis. Use when a CI pipeline, GitHub Actions workflow, or build job fails; when tests pass locally but fail in CI; when diagnosing flaky tests, timeouts, or red pipelines; or when the user says "CI is failing", "the build is broken", or "works on my machine".
vibe-coding
jamditis/claude-skills-journalism
AI-assisted coding with Claude Code, Cursor, Copilot, Codex, Aider, or Windsurf. Use to build or debug generated code.
debugging-tauri-apps
dchuk/claude-code-tauri-skills
Helps users debug Tauri v2 applications across VS Code, RustRover, IntelliJ, and Neovim. Covers console debugging, WebView DevTools, Rust backtrace, CrabNebula DevTools integration, and IDE-specific launch configurations.
qa-debugging
vasilyu1983/ai-agents-public
Systematic debugging for crashes, regressions, flakes, and production bugs. Use when diagnosing stack traces, logs, traces, or profiling data.
agent-tracing
lobehub/lobehub
Agent tracing CLI for execution snapshots. Use for agent-tracing, traces, snapshots, LLM call inspection, context engine data, agent step analysis, execution debugging, or pulling remote/production traces ("拉线上 tracing") by operation id. Also the first stop for debugging agent tool calls — wrong or missing tool_calls, unexpected tool arguments or results, which tools were available at a step, or why a tool ran where it did.
webflow-designer-api
224-industries/webflow-skills
Work with the Webflow Designer API — either by building Designer Extensions (iframes inside the Webflow Designer) or by generating code snippets for the Designer API Playground. Covers element manipulation, styles, components, pages, variables, assets, error handling, CLI usage, and UI design patterns. Use when creating, debugging, or modifying Designer Extensions, OR when the user wants to run Designer API code in the Playground app.
webflow-webhooks
hookdeck/webhook-skills
Receive and verify Webflow webhooks. Use when setting up Webflow webhook handlers, debugging signature verification, or handling Webflow events like form_submission, site_publish, ecomm_new_order, or collection item changes.
vue-best-practices
ejirocodes/agent-skills
Vue 3 and Vue.js best practices for TypeScript, vue-tsc, Volar, and component patterns. Use when writing, reviewing, or refactoring Vue 3 components with TypeScript, configuring Volar/vueCompilerOptions, extracting component types, working with defineModel/withDefaults, setting up Pinia store tests, or debugging Vue tooling issues. Triggers on Vue components, props extraction, wrapper components, template type checking, strictTemplates, vueCompilerOptions, Volar 3, CSS modules, fallthrough attributes, defineModel, withDefaults, deep watch, vue-router typed params, Pinia mocking, HMR SSR, moduleResolution bundler, useTemplateRef, onWatcherCleanup, useId, generic components, reactive props destructure.
ebpf-skill
h0x0er/ebpf-skill
Practical guidance for choosing, writing, loading, and debugging eBPF programs. Prioritizes correct toolchain and hook selection, map choice, kernel-version fit, verifier triage, and concise production-ready examples using libbpf, ebpf-go, and bpftrace.
deep-debug
jezweb/claude-skills
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arduino-serial-monitor
wedsamuel1230/arduino-skills
Read and analyze Arduino or embedded serial output for structured runtime debugging across Arduino IDE, Arduino CLI, PlatformIO, and vendor-specific monitor tools. Use when boot output, sensor data, resets, communication failures, timing symptoms, or field behavior need evidence rather than compile-only reasoning.
systematic-debugging
chriswiles/claude-code-showcase
Four-phase debugging methodology with root cause analysis. Use when investigating bugs, fixing test failures, or troubleshooting unexpected behavior. Emphasizes NO FIXES WITHOUT ROOT CAUSE FIRST.
alibabacloud-odps-sql-generation
aliyun/alibabacloud-aiops-skills
Provides MaxCompute SQL intelligent generation capabilities for AI agents, covering text2sql conversion principles, dialect syntax differences (DQL/DDL/DML), common query pattern templates (Top N, PIVOT, window functions, etc.), and ODPS error code diagnostics. Use when generating, debugging, or migrating MaxCompute / ODPS SQL.
pulumi-debug-failed-operation
pulumi/agent-skills
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shader-fundamentals
bbeierle12/skill-mcp-claude
GLSL shader fundamentals—vertex and fragment shaders, uniforms, varyings, attributes, coordinate systems, built-in variables, and data types. Use when writing custom shaders, understanding the graphics pipeline, or debugging shader code. The foundational skill for all shader work.
marketplace-personalisation
pproenca/dot-skills
Personalisation and recommendation systems for a two-sided trust marketplace built on AWS Personalize — event tracking, dataset and schema design, two-sided matching, cold start, feedback loops, bias control, recipe selection, serving-time re-ranking, observability, and a diagnostic playbook for existing systems. Trigger when designing, building, debugging, reviewing, or improving such a system — and even when the user does not explicitly mention "AWS Personalize" but is working on recommendations, ranking, search, homepage personalisation, or anything that matches seekers and providers across a trust-based catalog.
behavioral-evals
google-gemini/gemini-cli
Guidance for creating, running, fixing, and promoting behavioral evaluations. Use when verifying agent decision logic, debugging failures, debugging prompt steering, or adding workspace regression tests.
git-advanced
rohitg00/awesome-claude-code-toolkit
Advanced git workflows including worktrees, bisect, interactive rebase, hooks, and recovery techniques
to-spring-or-not-to-spring
raphaelsalaja/userinterface-wiki
Audit animation code for correct timing function selection. Use when reviewing motion implementations, debugging animations that feel wrong, or choosing between springs and easing. Outputs file:line findings.
lambda
itsmostafa/aws-agent-skills
AWS Lambda serverless functions for event-driven compute. Use when creating functions, configuring triggers, debugging invocations, optimizing cold starts, setting up event source mappings, or managing layers.
svelte-template-directives
spences10/svelte-skills-kit
Svelte template directives ({@attach}, {@html}, {@render}, {@const}, {@debug}). Use for DOM manipulation, third-party libs, tooltips, canvas, dynamic HTML. @attach replaces use: actions.
nemo-relay-debug-runtime-integration
nvidia/skills
Use this skill when NeMo Relay is installed or imported but application-side runtime behavior is missing or incorrect, including load failures, inactive scopes, missing events, and plugin or adaptive wiring problems.
swift-diagnostics
johnrogers/claude-swift-engineering
Use when debugging NavigationStack issues (not responding, unexpected pops, crashes), build failures (SPM resolution, "No such module", hanging builds), or memory problems (retain cycles, leaks, deinit not called). Systematic diagnostic workflows for iOS/macOS.
mcp-patterns
yonatangross/orchestkit
MCP server building, advanced patterns, and security hardening. Use when building MCP servers, implementing tool handlers, choosing a transport, adding OAuth authentication, wiring MCP Apps UI with @mcp-ui, hardening MCP security, or debugging MCP integrations.
slint
slint-ui/ai-plugins
Use when writing, editing, debugging, or reviewing `.slint` UI code, or wiring it to Rust/C++/JS/Python — the Slint language, layout, compile-time gotchas, interop, and the MCP server for runtime checks.
complex-reasoning
thelobbi/claude
Multi-step reasoning patterns and frameworks for systematic problem solving. Activate for Chain-of-Thought, Tree-of-Thought, hypothesis-driven debugging, and structured analytical approaches that leverage extended thinking.
improve-threejs
millionco/react-doctor
Audit and fix Three.js and React Three Fiber apps for frame-loop performance, GPU memory leaks, scene-graph correctness, and visual defects like z-fighting, shadow acne, wrong color space, and broken resize handling. Uses React Doctor as the scanning engine plus a visual rubric checked against rendered output. Use when the user asks to improve, audit, scan, or clean up a Three.js, R3F, react-three-fiber, drei, or WebGL app, or types `/improve-threejs`.
behavioral-modes
vudovn/ag-kit
AI operational modes (brainstorm, implement, debug, review, teach, ship, orchestrate). Use to adapt behavior based on task type.
using-medusa-cloud
medusajs/medusa-agent-skills
Manages Medusa Cloud resources through the Cloud CLI (mcloud). Use when deploying, debugging deployments, managing environments, environment variables, or any Medusa Cloud operation. CRITICAL for mcloud commands, deployment failures, build logs, Cloud setup, and CI/CD workflows.
shadcn-ng
oguzhan18/angular-ecosystem-skills
ALWAYS use when writing code importing shadcn-ng (shadcn/angular). Consult for debugging, best practices, or modifying Angular shadcn components.
kernel-debugging-advanced
mohitmishra786/low-level-dev-skills
Advanced kernel debugging skill for ftrace, trace-cmd, perf, kprobes, kgdb, and crash analysis. Use when tracing kernel functions, profiling syscalls in kernel, dynamic instrumentation, or analyzing vmcore. Activates on queries about ftrace, trace-cmd, kprobe, kgdb, kernel crash dump, or dyndbg.
nx-ci-monitor
tech-leads-club/agent-skills
Monitor Nx Cloud CI pipeline status and handle self-healing fixes automatically. Use when user says "watch CI", "monitor pipeline", "check CI status", "fix CI failures", or "self-heal CI". Requires Nx Cloud connection. Do NOT use for local task execution (use nx-run-tasks) or general CI debugging outside Nx Cloud.
scrape
zytedata/skills
End-to-end web scraping workflow — from URL to working spider with web-poet page objects. Use this for full-site or multiple-page crawls that create a new scraping workflow. Do not use for fixing, debugging, or modifying an existing spider.