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
drupal-simple-oauth
grasmash/drupal-claude-skills
OAuth2 authentication patterns for Drupal using simple_oauth module. Covers TokenAuthUser permission logic, scope/role matching, mobile app token flows, field_permissions integration, CSRF bypass, and debugging token issues.
sglang-prod-incident-triage
bbuf/ai-infra-auto-driven-skills
Replay-first debug flow for SGLang serving problems. Use when a live or recent server shows health-check failures, latency or throughput regressions, queue growth, timeouts, distributed stalls, crash dumps, wrong outputs after deploys, or PD/EP/HiCache issues, and the job is to turn the problem into a replay plus the right next debug tool.
helm-debugging
laurigates/claude-plugins
Debug Helm failures — template errors, dry-run, YAML parse errors, value type errors, resource conflicts. Use when the user mentions Helm errors or template rendering issues.
geohash-spatial-code-maps
pproenca/dot-skills
Geohash encoding/decoding in TypeScript or Rust — bit interleaving, the base32 alphabet, precision and cell geometry, neighbour/adjacency computation, proximity and bounding-box queries, and geohash-backed spatial indexing. Also covers the "codebase as a navigable 2D map" pattern — projecting a codebase into a coordinate plane, geohashing it so prefixes become business-domain regions, and navigating it like Google Maps (zoom, tiles, level-of-detail, clustering, deep links). Trigger when implementing, reviewing, or debugging geohash work — even when the user does not say "geohash" but the work involves spatial hashing, Morton/Z-order codes, proximity search on lat/lon, or mapping and visualising code structure spatially. Contains 42 impact-ordered rules with TypeScript and Rust examples.
ort
bobmatnyc/claude-mpm-skills
ONNX Runtime in Rust via the `ort` crate (2.x): loading sessions, configuring CPU/CoreML/CUDA execution providers, tensor I/O with ndarray, async-safe spawn_blocking wrapping, global thread-pool init, and debugging provider/opset issues
vrm-springbone-physics
project-n-e-k-o/n.e.k.o
Debugging and fixing VRM SpringBone physics issues in three-vrm, including hair/clothing physics that flies upward, sticks out horizontally, or behaves unnaturally.
kotlin-coroutines
rcosteira79/android-skills
Use when writing, reviewing, or debugging coroutine code in Kotlin — including dispatcher selection, scope management, structured concurrency, cancellation, exception handling, or async patterns in Android or KMP projects.
pt2-bug-basher
pytorch/pytorch
Debug PyTorch 2 compiler stack failures including Dynamo graph breaks, Inductor codegen errors, AOTAutograd crashes, and accuracy mismatches. Use when encountering torch.compile errors, BackendCompilerFailed exceptions, recompilation issues, Triton kernel failures, FX graph problems, or when the user mentions debugging PT2, Dynamo, Inductor, or compiled model issues.
comfyui-node-lifecycle
jtydhr88/comfyui-custom-node-skills
ComfyUI node execution lifecycle - caching, fingerprint_inputs/IS_CHANGED, validate_inputs/VALIDATE_INPUTS, check_lazy_status, execution order. Use when debugging execution, implementing caching control, input validation, or understanding execution flow.
debugging-methodology
laurigates/claude-plugins
Systematic debugging for memory, performance, and system-level issues. Use when diagnosing memory leaks, tracing syscalls with strace/eBPF, profiling, or reasoning about races.
trellis-channel
mindfold-ai/trellis
Use Trellis channel for live multi-agent collaboration, spawned workers, cross-agent review, progress inspection, forum channels, and channel log debugging.
cli-power-tools
oakoss/agent-skills
Performs advanced CLI operations, structured data transformation, and Unix forensics with modern Rust-powered tools. Use when searching codebases with ripgrep, transforming JSON or YAML with jq, refactoring across files with sed and fd, debugging APIs with httpie, or navigating directories with zoxide.
sentry-integration
blogic-cz/blogic-marketplace
This skill should be used when implementing or debugging Sentry error tracking, instrumentation, distributed tracing, performance issues, or capture-errors flows. It provides a portable workflow for SDK setup, middleware wiring, expected-error classification, and verification.
debugging-hermes-tui-commands
nousresearch/hermes-agent
Debug Hermes TUI slash commands: Python, gateway, Ink UI.
hyperpod-node-debugger
awslabs/agent-plugins
Diagnose and remediate per-node issues on a HyperPod cluster (EKS or Slurm) — a specific node is unhealthy, unresponsive, stuck, or needs replacing. Covers on-node EFA, GPU / accelerator hardware (XID, ECC, NVLink, row-remap, DCGM), Slurm node down/drained, disk and memory pressure, per-node lifecycle-script failures, SSM agent, container runtime, kernel panics, pod networking. Read-only. Not for cluster-wide provisioning (→ hyperpod-cluster-debugger), NCCL (→ hyperpod-nccl), or MFU (→ hyperpod-mfu-debugger).
stacks
membranedev/application-skills
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megaeth-developer
0xbreadguy/megaeth-ai-developer-skills
End-to-end MegaETH development playbook (Feb 2026). Covers Foundry project setup with MegaETH-specific config, wallet operations, token swaps (Kyber Network), eth_sendRawTransactionSync (EIP-7966) for instant receipts, JSON-RPC batching, real-time mini-block subscriptions, storage-aware contract patterns (Solady RedBlackTreeLib, transient storage), MegaEVM multidimensional gas model, WebSocket keepalive, bridging from Ethereum, Privy headless signing for ultra-low latency, debugging with mega-evme, x402 Permit2 payments on MegaETH (standard flow via x402ExactPermit2Proxy/x402UptoPermit2Proxy at canonical addresses), legacy Meridian x402 payments, and Warren Protocol for on-chain website hosting. Use when building on MegaETH, using Foundry, managing wallets, sending transactions, deploying contracts, integrating Privy embedded wallets, ERC-7710 delegation framework for scoped on-chain permissions, MetaMask Smart Accounts Kit for smart account creation and delegation management, integrating x402 Permit2 payments or Meridian/x402 paid APIs or agent actions, hosting websites on-chain with Warren, or integrating MegaNames (.mega naming service) for name registration, resolution, subdomains, subdomain marketplace (selling/buying subdomains with token gating), and text records.
tailscale-subnet-router-debug
rshade/agent-skills
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convex-anti-patterns
op0ai/claude-skills
Critical rules and common mistakes to avoid in Convex development. Use when reviewing Convex code, debugging issues, or learning what NOT to do. Activates for code review, debugging OCC errors, fixing type errors, or understanding why code fails in Convex.
codex-agent
majiayu000/spellbook
Use when you want a second-opinion review via Codex CLI, cross-verification after another agent implements changes, debugging help, or alternative implementation proposals. Requires Codex CLI to be installed and authenticated.
electrobun-rpc-patterns
rajavijayach/electrobun-skills
Advanced type-safe RPC patterns for Electrobun desktop applications. Covers bidirectional main↔webview communication, type safety with TypeScript, error handling and validation, performance optimization, streaming data patterns, batch operations, retry strategies, event-based communication, shared type definitions, RPC middleware, request/response patterns, and complex data synchronization. Use this skill when implementing complex communication between main and webview processes, need type-safe RPC with full IntelliSense, handling large data transfers, implementing real-time updates, building type-safe APIs between processes, debugging RPC issues, optimizing RPC performance, or implementing advanced patterns like streaming, batching, or pub/sub. Triggers include "RPC", "main webview communication", "type-safe RPC", "bidirectional RPC", "RPC performance", "RPC error handling", "shared types", "process communication", or "IPC patterns".
traceway
tracewayapp/traceway
Operate a Traceway observability instance through the traceway CLI: log in, query exceptions, logs, endpoints, and metrics, and debug production issues down to root cause. Use when the user invokes /traceway with a subcommand, e.g. "/traceway login", "/traceway debug issue <hash|url|title>", "/traceway what''s broken in prod", or whenever they want to investigate errors, crashes, slowness, or logs from an app monitored by Traceway.
sentry-fix-issues
getsentry/agent-skills
Find and fix issues from Sentry using MCP. Use when asked to fix Sentry errors, debug production issues, investigate exceptions, or resolve bugs reported in Sentry. Methodically analyzes stack traces, breadcrumbs, traces, and context to identify root causes.
nuke-cursor-app
davidondrej/skills
End-to-end Cursor IDE restart on the user''s MacBook: snapshot metrics, kill ALL Cursor processes, relaunch Cursor, report before/after memory. Recovers from the known renderer memory leak that makes Cursor lag. Manual-only — run ONLY when the user explicitly invokes it (/nuke-cursor-app, "nuke cursor"). Differentiator: kills the Cursor desktop app; cursor-cli sessions are unrelated.
vvvv-shaders
tebjan/vvvv-skills
Helps write SDSL shaders for Stride and vvvv gamma — TextureFX, shader mixins, compute shaders, and ShaderFX composition. SDSL is a superset of HLSL, so use this skill when writing or debugging .sdsl shader files, GPU shaders, visual effects, HLSL code for vvvv, working with the Stride rendering pipeline, composing shader mixins, or any GPU/compute work. Trigger even if the user says 'HLSL', 'shader', 'GPU effect', 'render pass', or 'compute' in a vvvv context.
gm
anentrypoint/gm-skill
The primary driver for every coding, refactoring, debugging, or engineering task -- used for the whole task.
integrations
automattic/wordpress-activitypub
Third-party WordPress plugin integration patterns. Use when adding new integrations, debugging compatibility with other plugins, or working with existing integrations.
skill-developer
langfuse/langfuse
Create and manage Claude Code skills following Anthropic best practices. Use when creating new skills, modifying skill-rules.json, understanding trigger patterns, working with hooks, debugging skill activation, or implementing progressive disclosure. Covers skill structure, YAML frontmatter, trigger types (keywords, intent patterns, file paths, content patterns), enforcement levels (block, suggest, warn), hook mechanisms (UserPromptSubmit, PreToolUse), session tracking, and the 500-line rule.
bullmq
jgamaraalv/ts-dev-kit
BullMQ queue system reference for Redis-backed job queues, workers, flows, and schedulers. Use when: (1) creating queues and workers with BullMQ, (2) adding jobs (delayed, prioritized, repeatable, deduplicated), (3) setting up FlowProducer parent-child job hierarchies, (4) configuring retry strategies, rate limiting, or concurrency, (5) implementing job schedulers with cron/interval patterns, (6) preparing BullMQ for production (graceful shutdown, Redis config, monitoring), or (7) debugging stalled jobs or connection issues
debug-info-remapping
lynx-community/skills
Remap the function_id:pc_index to the original source code position by provided debug info json file.
firebase-app-check
evanca/flutter-ai-rules
Use when implementing app attestation, configuring App Check providers, setting up debug tokens, enabling backend enforcement, or managing token refresh.
checkout-payments
santiagoxor/pintureria-digital
Specialized skill for working with checkout and payment systems including MercadoPago integration, order management, address validation, and checkout flow. Use when implementing checkout improvements, integrating payment methods, debugging payment issues, or optimizing checkout process.
laravel-debugging-prompts
noartem/skills
Create effective debugging prompts—include error messages, stack traces, expected vs actual behavior, logs, and attempted solutions
understanding-streamlit-architecture
streamlit/streamlit
Explains Streamlit's internal architecture including backend runtime, frontend rendering, and WebSocket communication. Use when debugging cross-layer issues, understanding how features work end-to-end, planning architectural changes, or onboarding to the codebase. Covers ForwardMsg/BackMsg protocol, script rerun model, element tree, widget state management, and more.
federation
automattic/wordpress-activitypub
ActivityPub protocol specification and federation concepts. Use when working with ActivityPub activities, understanding federation mechanics, implementing protocol features, or debugging federation issues.
gitnexus-debugging
mindfold-ai/trellis
Use when the user is debugging a bug, tracing an error, or asking why something fails. Examples: \"Why is X failing?\", \"Where does this error come from?\", \"Trace this bug\"
ccxt-cli
ccxt/ccxt
CCXT command-line interface (ccxt-cli) for interacting with 100+ cryptocurrency exchanges directly from the terminal — no code required. Covers installing the CLI, calling any unified CCXT method (fetchTicker, fetchOHLCV, createOrder, fetchBalance), passing arguments and exchange-specific params, authenticating with API keys, sandbox/testnet mode, streaming live tickers and orderbooks over WebSocket, plotting OHLCV charts, and scripting with raw JSON output. Use when the user wants to query an exchange, test API credentials, place or inspect orders, or debug exchange requests from the command line or in shell scripts.
analytics
langwatch/skills
Analyze your AI agent's performance using LangWatch analytics. Use when the user wants to understand costs, latency, error rates, usage trends, or debug specific traces. Works with any LangWatch-instrumented agent.
error-monitoring
jmsktm/claude-settings
Expert guide for error handling, logging, monitoring, and debugging. Use when implementing error boundaries, logging systems, or integrating monitoring tools like Sentry.
performing-systematic-debugging-for-stubborn-problems
sammcj/agentic-coding
Applies a modified Fagan Inspection methodology to systematically resolve persistent bugs and complex issues. Use when multiple previous fix attempts have failed repeatedly, when dealing with intricate system interactions, or when a methodical root cause analysis is needed. Do not use for simple troubleshooting. Triggers after multiple failed debugging attempts on the same complex issue.
cinema4d-mcp
vladmdgolam/agent-skills
Cinema 4D MCP expert for extracting scene data, writing C4D Python scripts, and controlling Cinema 4D through MCP tools. Activate when: (1) using cinema4d MCP tools (get_scene_info, list_objects, execute_python_script, add_primitive, etc.), (2) writing Python scripts for Cinema 4D extraction or manipulation, (3) working with MoGraph cloners/effectors/fields, (4) baking animation data from C4D scenes, (5) debugging C4D Python API errors, (6) extracting Redshift material or camera data. Covers critical gotchas, correct extraction patterns, MoGraph baking, timeline evaluation, API compatibility, and known failure modes.
investigate
johnlindquist/claude
Debug and investigate code issues using search and AI analysis. Use when stuck on bugs, tracing execution flow, or understanding complex code.
debugging-techniques
ancoleman/ai-design-components
Debugging workflows for Python (pdb, debugpy), Go (delve), Rust (lldb), and Node.js, including container debugging (kubectl debug, ephemeral containers) and production-safe debugging techniques with distributed tracing and correlation IDs. Use when setting breakpoints, debugging containers/pods, remote debugging, or production debugging.
docker-compose-skill
scientiacapital/skills
Local dev environments with Docker Compose - multi-service setups, databases, hot reload, debugging. Use when: docker compose, local dev, postgres container, redis local, dev environment.
security-review-openai
lawve-ai/awesome-legal-skills
Perform language and framework specific security best-practice reviews and suggest improvements. Trigger only when the user explicitly requests security best practices guidance, a security review/report, or secure-by-default coding help. Trigger only for supported languages (python, javascript/typescript, go). Do not trigger for general code review, debugging, or non-security tasks.
openai-gh-fix-ci
trailofbits/skills-curated
Use when a user asks to debug or fix failing GitHub PR checks that run in GitHub Actions;
tailwind-v4-shadcn
midudev/autoskills
| Production-tested setup for Tailwind CSS v4 with shadcn/ui, Vite, and React. Use when: initializing React projects with Tailwind v4, setting up shadcn/ui, implementing dark mode, debugging CSS variable issues, fixing theme switching, migrating from Tailwind v3, or encountering color/theming problems. Covers: @theme inline pattern, CSS variable architecture, dark mode with ThemeProvider, component composition, vite.config setup, common v4 gotchas, and production-tested patterns.
Debug Cluster
openshift/hypershift
Provides systematic debugging approaches for HyperShift hosted-cluster issues. Auto-applies when debugging cluster problems, investigating stuck deletions, or troubleshooting control plane issues.
systematic-debugging
jamditis/claude-skills-journalism
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes
release-openclaw-ci
openclaw/openclaw
Run, watch, debug, and summarize OpenClaw full release CI, release checks, live provider gates, install/update proofs, and release-secret preflights.
changelog-review
laurigates/claude-plugins
Claude Code changelog analysis for plugin impact. Use when checking new features, breaking changes, or upgrade opportunities from a Claude Code release.
batch-files
github/awesome-copilot
Expert-level Windows batch file (.bat/.cmd) skill for writing, debugging, and maintaining CMD scripts. Use when asked to "create a batch file", "write a .bat script", "automate a Windows task", "CMD scripting", "batch automation", "scheduled task script", "Windows shell script", or when working with .bat/.cmd files in the workspace. Covers cmd.exe syntax, environment variables, control flow, string processing, error handling, and integration with system tools.
heap-snapshot-analysis
microsoft/vscode
Analyze V8 heap snapshots to investigate memory leaks and retention issues. Use when given .heapsnapshot files, asked to compare before/after snapshots, asked to find what retains objects, or investigating why objects survive GC. Provides snapshot parsing, comparison, retainer-path helpers, and scratchpad scripts.
tfc-run-logs
laurigates/claude-plugins
Retrieve plan and apply logs from Terraform Cloud runs. Use when debugging failed plans/applies or reviewing TFC run output. Requires TFE_TOKEN.
ghostty
oakoss/agent-skills
Controls the Ghostty terminal emulator via CLI actions and configuration. Use when managing Ghostty windows, fonts, themes, keybinds, config validation, or debugging terminal configuration. Use for ghostty CLI, terminal config, theme selection, font management.
cekura-fixing-prod-issues
cekura-ai/cekura-skills
Debugs a failing production call, reproduces the bug with Cekura evaluators, implements a fix, verifies it, runs regression tests, then raises a PR with evidence. Use when the user wants to fix a production call bug, investigate a failing prod call, reproduce and fix a production issue, run regression tests before a PR, or says things like "fix this prod call issue", "debug and fix call ID", "test my fix against prod scenarios", "reproduce this production bug", or "regression test before raising PR".
adobe-illustrator-scripting
github/awesome-copilot
Write, debug, and optimize Adobe Illustrator automation scripts using ExtendScript (JavaScript/JSX). Use when creating or modifying scripts that manipulate documents, layers, paths, text frames, colors, symbols, artboards, or any Illustrator DOM objects. Covers the complete JavaScript object model, coordinate system, measurement units, export workflows, and scripting best practices.
nix
knoopx/pi
Runs packages temporarily, creates isolated shell environments, and evaluates Nix expressions. Use when executing tools without installing, debugging derivations, or working with nixpkgs.
gemini-agent-dev-support
drgarbage/ag-course-index
Guidelines for Gemini API development. Used to pre-define architecture in the planning phase and verify code patterns in the coding/debugging phase.
typo3-core-contributions
dirnbauer/webconsulting-skills
Use when analyzing TYPO3 Forge issues, submitting patches to Gerrit, contributing core bug fixes, documentation contributions, cherry-pick workflows, or CI debugging on Gerrit. Core `main` branch is v15-in-progress (PHP 8.4/8.5); v14.3 LTS bugfixes land on branch `14.3` and are backported via cherry-pick. Also triggers on: forge.typo3.org, core patch, Gerrit review, TYPO3 Core contribution.