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
SEE THE DIRECTORY
sumsub-api-auth
sumsub/agent-skills
Authenticate to the Sumsub API with an App Token + secret key (HMAC-SHA256 request signing). TRIGGER when the user asks to "call / sign / authenticate Sumsub API requests", debugs `401 Unauthorized` / signature errors against `api.sumsub.com`, or needs a working request example with `X-App-Token` / `X-App-Access-Sig` / `X-App-Access-Ts` headers. SKIP only when a more specific skill in this repo (questionnaire/level/workflow/POA-preset/generic) already covers the user's actual task — those skills sign requests the same way and only need this one for auth deep dives.
memory-lancedb-pro
win4r/memory-lancedb-pro-skill
Comprehensive guide for maintaining, debugging, and upgrading the memory-lancedb-pro OpenClaw plugin — an enhanced LanceDB-backed long-term memory system with hybrid retrieval (Vector + BM25), cross-encoder reranking, multi-scope isolation, noise filtering, adaptive retrieval, and a management CLI. Use this skill when: (1) developing new features or fixing bugs in memory-lancedb-pro, (2) modifying the retrieval pipeline (vector search, BM25, RRF fusion, reranking, scoring stages), (3) adding or changing embedding providers, (4) updating scope/access control logic, (5) modifying agent tools or CLI commands, (6) troubleshooting memory quality issues (noise, duplicates, low recall), (7) working on the JSONL session distillation pipeline, (8) migrating data between memory backends, or (9) understanding the plugin's architecture to plan enhancements.
writing-scripts
celigo/ai
Write Celigo JavaScript hook scripts -- preSavePage, preMap, postMap, postSubmit, postResponseMap, filter, transform, branching, handleRequest. Use when creating or editing scripts, choosing the right hook point, understanding input/output data shapes, or debugging script behavior.
mcp-csharp-debug
dotnet/skills
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roblox-animations
sentinelcore/roblox-skills
Use when working with Roblox animation systems including playing, stopping, or blending animations on Humanoid characters or non-Humanoid models, handling AnimationTrack events, replacing default character animations, or debugging animation priority and blending issues.
cmux-debug-windows
manaflow-ai/cmux
Manage cmux debug windows and related debug menu wiring for Sidebar Debug, Background Debug, and Menu Bar Extra Debug. Use this when the user asks to open/tune these debug controls, add or adjust Debug menu entries, or capture/copy a combined debug config snapshot.
cocoapods-to-spm
cap-go/capgo-skills
Guide to migrating an existing Capacitor iOS app from CocoaPods to Swift Package Manager (SPM). Use this skill when users want Capacitor 8-style SPM projects, need to run or recover from spm-migration-assistant, replace Podfile/Pods/App.xcworkspace with CapApp-SPM, add debug.xcconfig, verify plugin SPM support, or remove CocoaPods from an app project.
ansible-validator
akin-ozer/cc-devops-skills
Validate, lint, audit, or debug Ansible playbooks, roles, inventories, FQCN, tasks.
threejs
mengto/skills
Use when building or debugging interactive 3D scenes on the web with Three.js (scene/camera/renderer, lights/materials, GLTF loading, controls, performance). Helpful for designers shipping 3D UI moments.
stripe-integration-expert
alirezarezvani/claude-skills
Production-grade Stripe integrations: subscriptions with trials and proration, one-time payments, usage-based billing, checkout sessions, idempotent webhook handlers, customer portal, and invoicing. Covers Next.js, Express, and Django patterns. Use when integrating Stripe for the first time, debugging webhook reliability issues, migrating from a different payment provider, or adding usage-based billing to an existing subscription product.
spreadsheet-formula-helper
composio-community/awesome-codex-skills
Write and debug spreadsheet formulas (Excel/Google Sheets), pivot tables, and array formulas; translate between dialects; use when users need working formulas with examples and edge-case checks.
gsap
mengto/skills
Use when you need to add or debug professional web animations with GSAP (timelines, ScrollTrigger, stagger, transforms) in HTML/CSS/JS/React. Includes patterns for smooth motion, performance, and common pitfalls.
gdb
mohitmishra786/low-level-dev-skills
GDB debugger skill for C/C++ programs. Use when starting a GDB session, setting breakpoints, stepping through code, inspecting variables, debugging crashes, using reverse debugging (record/replay), remote debugging with gdbserver, or loading core dumps. Activates on queries about GDB commands, segfaults, hangs, watchpoints, conditional breakpoints, pretty-printers, Python GDB scripting, or multi-threaded debugging.
analyzing-mlflow-trace
mlflow/skills
Analyzes a single MLflow trace to answer a user query about it. Use when the user provides a trace ID and asks to debug, investigate, find issues, root-cause errors, understand behavior, or analyze quality. Triggers on "analyze this trace", "what went wrong with this trace", "debug trace", "investigate trace", "why did this trace fail", "root cause this trace".
huggingface-spaces
huggingface/skills
Build, deploy, and maintain applications on Hugging Face Spaces — Gradio / Docker / Static SDKs, ZeroGPU and dedicated hardware, model loading, debugging, buckets, inference providers, community grants. Use whenever the user asks to create or host an app on Hugging Face, port code onto ZeroGPU, fix a Space that won't build or run, or otherwise work with `hf spaces …`, `@spaces.GPU`, Space README frontmatter, or the `spaces` Python package.
retrieving-mlflow-traces
mlflow/skills
Retrieves MLflow traces using CLI or Python API. Use when the user asks to get a trace by ID, find traces, filter traces by status/tags/metadata/execution time, query traces, or debug failed traces. Triggers on "get trace", "search traces", "find failed traces", "filter traces by", "traces slower than", "query MLflow traces".
prompt-engineering
davila7/claude-code-templates
Expert guide on prompt engineering patterns, best practices, and optimization techniques. Use when user wants to improve prompts, learn prompting strategies, or debug agent behavior.
hyva-cms-components-dump
hyva-themes/hyva-ai-tools
Dump all Hyvä CMS components from active modules. This skill should be used when the user wants to list all CMS components, view available components, debug component configurations, or see the merged components.json output. Trigger phrases include "list cms components", "dump components", "show all components", "view cms components", "components.json dump".
k8s-debug
akin-ozer/cc-devops-skills
Diagnose and fix Kubernetes pods, CrashLoopBackOff, Pending, DNS, networking, storage, and rollout failures with kubectl.
audit-xls
anthropics/financial-services-plugins
Audit a spreadsheet for formula accuracy, errors, and common mistakes. Scopes to a selected range, a single sheet, or the entire model (including financial-model integrity checks like BS balance, cash tie-out, and logic sanity). Triggers on "audit this sheet", "check my formulas", "find formula errors", "QA this spreadsheet", "sanity check this", "debug model", "model check", "model won't balance", "something's off in my model", "model review".
using-chrisbanes-skills
chrisbanes/skills
Use when debugging, benchmarking, or profiling leads into Kotlin or Jetpack Compose source before the cause is known, or when one task spans multiple Kotlin or Compose concerns, especially plain Kotlin Flow or navigation delivery plus sealed branching.
memory-leak-detection
aj-geddes/useful-ai-prompts
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debugging
mrgoonie/claudekit-skills
Systematic debugging frameworks for finding and fixing bugs - includes root cause analysis, defense-in-depth validation, and verification protocols
ios-dev
prisma-labs-dev/apple-skills
Start here for any iOS or SwiftUI task. Coordinates best-practice guides, correctness checks, and full Apple API references. Use before navigating to other Apple skills — for building, reviewing, refactoring, or debugging iOS apps.
copilotkit-debug
copilotkit/skills
Use when diagnosing CopilotKit issues -- runtime connectivity failures, agent not responding, streaming errors, tool execution problems, transcription failures, version mismatches, and AG-UI event tracing.
d3k
vercel-labs/dev3000
Use when the user asks to use d3k, run/dev/test/debug a web project with d3k, or reproduce a browser issue. Own the runtime: reuse or background-start d3k non-interactively, wait for readiness, use its project-stable managed Chrome profile, and inspect unified browser/server evidence.
browser-debugging
aj-geddes/useful-ai-prompts
>
network-debugging
aj-geddes/useful-ai-prompts
>
debugging-network-issues
daymade/claude-code-skills
>-
core-dumps
mohitmishra786/low-level-dev-skills
Core dump analysis skill for production crash triage. Use when loading core files in GDB or LLDB, enabling core dump generation on Linux/macOS, mapping symbols with debuginfo or debuginfod, or extracting backtraces from crashes without re-running the program. Activates on queries about core files, ulimit, coredumpctl, debuginfod, crash triage, or analyzing segfaults from production binaries.
debug
parcadei/continuous-claude-v3
Debug issues by investigating logs, database state, and git history
debug-platformio
leokemp223/embed-ai-tool
当需要通过 PlatformIO 内置调试功能对目标板进行 GDB 调试时使用，支持下载暂停、附加和崩溃现场分析。
debug-hooks
parcadei/continuous-claude-v3
Systematic hook debugging workflow. Use when hooks aren't firing, producing wrong output, or behaving unexpectedly.
debug-gdb-openocd
leokemp223/embed-ai-tool
当需要通过 OpenOCD 启动或附着 GDB 会话，调用自带脚本完成固件下载、在线调试或崩溃现场检查时使用。
modbus-debug
leokemp223/embed-ai-tool
当需要调试 Modbus RTU（串口）或 Modbus TCP（网络）设备通信时使用，支持寄存器读写、从站扫描和持续监控。
braintrust-tracing
parcadei/continuous-claude-v3
Braintrust tracing for Claude Code - hook architecture, sub-agent correlation, debugging
rtos-debug
leokemp223/embed-ai-tool
当需要进行 FreeRTOS/RT-Thread/Zephyr 的线程感知调试，查看任务列表、栈水位或死锁检测时使用。
debug-jlink
leokemp223/embed-ai-tool
当需要通过 J-Link GDB Server 启动或附着 GDB 会话，完成固件下载、在线调试或崩溃现场检查时使用。
can-debug
leokemp223/embed-ai-tool
当需要调试 CAN 总线通信时使用，支持通过 USB-CAN 适配器监听、发送 CAN 帧和扫描节点。
comfyui-character-gen
mckruz/comfyui-expert
Build identity-preserving character generation workflows and pipelines in ComfyUI. Selects the optimal identity method (InfiniteYou, FLUX Kontext, PuLID, InstantID, IP-Adapter) based on use case requirements. Handles face preservation, likeness transfer, cross-domain conversion (3D to photo), multi-reference consistency, iterative character editing, and character variation generation. Triggers on requests to generate consistent characters, preserve identity across images, create face-swapping workflows, or convert 3D renders to photorealistic portraits. Does NOT cover general image generation without identity preservation, model training/LoRA fine-tuning, animation, technical explanations, or workflow debugging.
visa-debug
leokemp223/embed-ai-tool
当需要调试 GPIB/USB/TCP/Serial VISA 仪器通信时使用，支持 SCPI 命令收发、波形捕获、截图和持续监控。
debug-generated-project
tuist/agent-skills
Debugs issues users encounter with Tuist-generated projects by reproducing the scenario locally, building Tuist from source when needed, and triaging whether it is a bug, misconfiguration, or something that needs team input. Use when users report generation failures, build errors after generation, or unexpected project behavior.
optimize-web-animations
mengto/skills
Profile, audit, and optimize frontend page performance with emphasis on animation work, memory-leak risks, long-session slowdowns, CSS animations, canvas/WebGL requestAnimationFrame loops, marquees, skeletons, GSAP/Three/Matter effects, timers, listeners, and observers. Use when the user asks to make animations performant, pause offscreen animations, look for memory leaks, profile pages that slow the computer over time, fix janky scrolling, reduce CPU/GPU use, or repeat the "only play in view" optimization on React/Vite/Next/frontend pages using Codex Browser.
database-performance-debugging
aj-geddes/useful-ai-prompts
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gcc
mohitmishra786/low-level-dev-skills
GCC compiler skill for C/C++ projects. Use when selecting optimization levels, warning flags, debug builds, LTO, sanitizer instrumentation, or diagnosing compilation errors with GCC. Covers flag selection for debug vs release, ABI concerns, preprocessor macros, profile-guided optimization, and integration with build systems. Activates on queries about gcc flags, compilation errors, performance tuning, warning suppression, or cross-standard compilation.
metal-shader-expert
curiositech/some_claude_skills
20 years Weta/Pixar experience in real-time graphics, Metal shaders, and visual effects. Expert in MSL shaders, PBR rendering, tile-based deferred rendering (TBDR), and GPU debugging. Activate
container-debugging
aj-geddes/useful-ai-prompts
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performance-profiling
mengto/skills
Guide performance profiling for Apple platform apps with Instruments, Xcode diagnostics, and MetricKit. Use when investigating app hangs, stutters, high CPU, memory leaks, memory growth, OOM crashes, slow launch, battery drain, thermal issues, App Store performance readiness, or when adding os_signpost and measurement hooks.
linux-kernel-modules
mohitmishra786/low-level-dev-skills
Linux kernel module skill for writing and debugging loadable kernel modules. Use when writing LKMs with Kbuild, adding module parameters, creating /proc and sysfs entries, implementing character devices, debugging with KGDB or ftrace, or handling module signing for Secure Boot. Activates on queries about Linux kernel modules, loadable modules, Kbuild, module parameters, /proc filesystem, sysfs, character devices, KGDB, or module signing.
debugging-code
almogbaku/debug-skill
Interactively debug source code — set breakpoints, step through execution line by line, inspect live variable state, evaluate expressions against the running program, and navigate the call stack to trace root causes. Use when a program crashes, raises unexpected exceptions, produces wrong output, when you need to understand how execution reached a certain state, or when print-statement debugging isn't revealing enough.
mint-threejs-skills
mintdotgg/mint-threejs-skills
Build, revise, debug, and verify browser-based Three.js apps, games, asset viewers, model and asset-pack deliveries, material and material-pack deliveries, animated-model viewers, and explicitly requested Gaussian-splat worlds with Mint MCP as the production asset pipeline.
shadcn-layouts
jwynia/agent-skills
Generate correct shadcn/Tailwind layouts by applying CSS mental models. This skill should be used when the user asks to 'create a shadcn layout', 'fix layout issues', 'debug CSS height problems', 'make scrolling work', or has issues with Tailwind flex/grid. Keywords: shadcn, Tailwind, layout, CSS, flex, grid, height, scroll, overflow.
Regression Modeling
aj-geddes/useful-ai-prompts
Build predictive models using linear regression, polynomial regression, and regularized regression for continuous prediction, trend forecasting, and relationship quantification
stack
kitlangton/stack
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minecraft-modding
jahrome907/minecraft-agent-skills
Create, modify, debug, or migrate Minecraft mods for NeoForge or Fabric 1.21.x and legacy Forge 1.20.1. Use for loader-based gameplay code and assets; use minecraft-multiloader when one codebase must target both modern loaders.
no-workarounds
pedronauck/skills
Fix problems at their root cause instead of patching symptoms. Use when debugging, fixing bugs, resolving test failures, planning a solution, or reviewing a change — especially where a fix would silence a signal (type assertion, lint suppression, swallowed error, timing hack, monkey patch) rather than repair its source. Not for formatting- or docs-only edits.
hardware-security
zhaoxuya520/reverse-skill
Use for authorized hardware and embedded interface security research including UART/JTAG discovery, debug pad triage, secure boot overview, and offline firmware extraction support.
debug
cyrusagents/cyrus
Full debugging workflow — reproduce the bug with a failing test, perform root cause analysis, then implement a minimal fix.
bioinformatics-fundamentals
delphine-l/claude_global
Core bioinformatics concepts including SAM/BAM format, AGP genome assembly format, sequencing technologies (Hi-C, HiFi, Illumina), quality metrics, and common data processing patterns. Essential for debugging alignment, filtering, pairing issues, and AGP coordinate validation.
symfony:daily-workflow
dev-toolings/superpowers-symfony
Daily development workflow for Symfony projects including common tasks, debugging, and productivity tips