Debugging skills

10,957 tagged Debugging, measured the same way as everything else here.

Browse within: LLM 142agent 114skills 109cli 106agents 91agentic-ai 81javascript 81cursor 69ai-coding 51claude-code-plugin 44ab-testing 42antigravity 41copilot 40mcp-server 38

keyelifeai/keye-open-skills

Skill Claude CodeCodex

Diagnose and improve macOS network speed and stability with before baselines, proxy/VPN/TUN separation, minimal reversible changes, and after retesting. Use for networkQuality, DNS latency, Wi-Fi quality, packet loss, MTU, system proxy, route takeover, CLI proxy, or background traffic investigations, and when the user…

not rated 9 1mo ago A SkillSpector: pass 94 tokens original MIT

semi-formal-reasoning

482

knot0-com/semi-formal-reasoning

Skill Claude CodeCodex

Use for code verification, debugging, and deep code analysis without running tests. This skill should be used when the user asks to "verify my changes", "check my patch", "find the bug", "why does this test fail", "are these changes correct", "review this diff", or when analyzing code semantics that require tracing…

not rated 9 7mo ago A 114 tokens original MIT

MapleCity1314/vite-browser

Skill Claude CodeCodex

Deep Vite runtime diagnostics for recent hot-update regressions, HMR instability, unexpected full reloads, module churn, stack trace mapping, and "which recent update caused this" analysis. Make sure to use this skill whenever users mention any of: HMR, hot reload, hot update, full reload, page refresh, unexpected…

not rated 9 6mo ago A 152 tokens original MIT

cc-claude-codex

485

leyuan0602-glitch/cc-claude-codex

Skill Claude Code

Development skill where Claude Code acts as supervisor and Codex acts as executor. Auto-trigger for implementation, debugging, refactoring, testing, and other dev tasks.

not rated 9 7mo ago A 40 tokens original MIT

wavekit-usage

486

cxzzzz/wavekit-mcp

Skill Claude CodeCodex

Use this skill whenever the user wants to inspect, debug, analyze, compare, or visualize hardware simulation waveforms with wavekit-mcp, including VCD/FST/FSDB files, signal paths, waveform statistics, X/Z analysis, temporal pattern matching, handshakes, latency, bursts, protocol debugging, or viewer-based waveform…

not rated 9 3mo ago A 74 tokens

mitmproxy-mcp

487

moha-abdi/mitmproxy-mcp

Skill Claude CodeCodex

Analyze, intercept, and replay HTTP/HTTPS traffic through mitmproxy. Gives you 20 MCP tools for traffic analysis, request replay, interception control, and proxy configuration. Use when debugging APIs, testing security, or understanding how an application talks to its backend.

not rated 9 8mo ago A 59 tokens original MIT

debug-slow-queries

489

antonrisch/db-skills

Skill Claude CodeCodex

Diagnoses and fixes slow database queries using explain plans, statistics, and targeted indexes or rewrites. Use when an endpoint is slow, a query regresses, cpu spikes, or timeouts appear.

not rated 9 9mo ago A 46 tokens original MIT

magequery

490

cresset-tools/magequery

Skill Claude CodeCodex

Inspect and verify how a Magento 2 codebase is wired using the fast magequery CLI, before grepping, before reading XML by hand, and before booting bin/magento or magerun. Two modes, both first-choice. Investigate: what a class resolves to (preferences, plugins, virtual types, constructor arguments), why a…

not rated 9 changed 2d ago C 336 tokens EUPL-1.2

cfops-error-sentinel

491

pain2hustle/AMH-Cloudflare-Ops-MCP-by-WT

Skill Claude CodeCodex

Standing backstop that periodically looks across whatever surfaces the operator has (widgets, workers, endpoints, mail), and if anything smells wrong it informs, investigates, and writes the suspicion + logs into the next-run briefing so the master AI comes in already aware. Use to catch errors the operator did not …

not rated 9 2d ago A 75 tokens

lain

492

spuentesp/lain

Skill Claude CodeCodex

Structural code intelligence for AI coding agents. Use this skill when the user wants to understand how a codebase is organized (modules, call graphs, file dependencies), find where to start reading, trace the impact of a change, find code by meaning, or understand what a symbol does in its full context. Do NOT use…

not rated 9 changed 27d ago A 90 tokens original MIT

codegraph

493

lzehrung/codegraph

Skill Claude CodeCodex

Use for repo structure, symbol navigation, dependency analysis, duplicate triage, and PR impact review when plain text search is too shallow.

not rated 9 changed yesterday A 30 tokens original MIT

reverse-engineering

494

annatchijova/SKILLS

Skill Claude CodeCodex

Reconstructing how an undocumented, closed, or unfamiliar system works when you do NOT have its design — a binary, a network protocol, a file or wire format, an undocumented or third-party API, a firmware image, a memory dump, an opaque database, or a model whose behavior you can only infer from inputs and outputs.…

not rated 9 15d ago A 224 tokens

satiricalguru/Agents-skills

Skill Claude CodeCodex

Autonomous reverse engineering of compiled apps, binaries, APKs, firmware, and installers on macOS and Windows. Use when the user wants to analyze, decompile, inspect, or understand a binary — including PE/ELF/Mach-O executables, Android APKs, .NET assemblies, Java JARs, firmware blobs, and app bundles. Triggers on…

not rated 9 +1 1mo ago A 247 tokens original MIT

codesynapse-cli

496

sohilladhani/codesynapse

Skill Claude CodeCodex needs its repo

Use this skill to answer codebase architecture questions, trace dependencies, find callers/callees, calculate blast radius, and explore the code graph. ACTIVATE when the user asks "how does X work", "what handles Y", "where is Z defined", "explain the mechanism", "who calls", "blast radius", "shortest path", "trace…

not rated 8 3mo ago A 182 tokens original MIT

httap

497

mtford90/httap

Skill Claude CodeCodex

Use httap to inspect, filter, and intercept HTTP traffic. Activate when httap MCP tools are available or when the user mentions HTTP traffic, API debugging, request interception, or mocking.

not rated 8 14d ago A SkillSpector: pass 0 tokens original MIT

saleae-mcp-debugger

498

layer1labs/specsmith

Skill Claude CodeCodex

Use this skill for hardware-in-the-loop firmware capture and decode workflows through the Saleae Logic 2 MCP server.

not rated 8 1mo ago A 0 tokens original MIT archived

codemap

499

Asixa/codemap-skill

Skill Claude CodeCodex

Generate and incrementally maintain an interactive architecture map plus a per-module code-quality audit (health scores 0-100, smell findings, lines-of-code, and a clickable dependency graph) for any codebase. Use when the user wants to visualize a project's functional modules, audit or score code quality, check…

not rated 8 4mo ago A 153 tokens original MIT

web-reverse-algorithm

500

guccig4366/xbsReverseSkill

Skill Codex

A workflow for reconstructing calculations in web JavaScript from their final outputs, such as request parameters, cookies, headers, or WebSocket messages. It covers signatures, encryption, verification challenges, WebAssembly, and heavily obfuscated code.

not rated 8 +1 13d ago A 226 tokens copy · 100% MIT

no-hup/android-perfetto-skill

Skill Claude CodeCodex

Capture and analyze Android Perfetto traces: cold start, UI jank, freezes and ANRs, memory, GC, CPU scheduling, binder IPC. Handles capture, traceprocessor SQL analysis, run comparison, and scored reporting that says when the data does not support a conclusion. TRIGGER when the user says: why is my app's cold start so…

not rated 8 +1 changed 1mo ago A 178 tokens

mcubuddy

502

cunjun/McuBuddy

Skill Codex

Use when debugging MCU firmware or boards with McuBuddy, including probe, boot, HardFault, peripheral, register, memory, ELF/SVD, RTOS, RTT/UART, Keil, GDB, pyOCD, J-Link, ST-Link, or CMSIS-DAP work.

not rated 8 2mo ago A 64 tokens original MIT

purinzan/gx3-cli-mcp

Skill Codex

Analyze an existing Mitsubishi GX Works3 .gx3 project with gx3-cli when the user asks what a ladder does, why a device turns on, or whether a project has risks.

not rated 8 changed 1mo ago A 44 tokens

evidence-standards

504

jleechanorg/agent-orchestrator-ts

Skill Claude CodeCodex

Evidence standards for testing and verification, including evidence classes, mock/real boundaries, and proof bundle requirements.

not rated 8 16d ago A 27 tokens original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: