Debugging skills

11,121 tagged Debugging, measured the same way as everything else here.

Browse within: LLM 142agent 114cli 109skills 108agents 90agentic-ai 81javascript 80cursor 68ai-coding 51claude-code-plugin 44ab-testing 42antigravity 41copilot 40claude-code-skills 38

xcodebuildmcp-cli

25

getsentry/XcodeBuildMCP

Skill Claude CodeCodex

Official skill for the XcodeBuildMCP CLI. Use when doing iOS/macOS/watchOS/tvOS/visionOS work (build, test, run, debug, log, UI automation).

not rated 6.5k 2d ago A Socket: passSnyk: passSkillSpector: pass 48 tokens original MIT

eval-hooks

26

FlorianBruniaux/claude-code-ultimate-guide

Skill Claude Code

Audit Claude Code and Codex hooks for validity, safety, and correctness across settings.json, hooks.json, config.toml, plugin, and skill or agent frontmatter hooks. Resolves each command, checks event names, handler types, matchers, exit-code and JSON decision strategy, and timeouts against each host's documented…

not rated 6.2k +47 changed 23d ago A 115 tokens CC-BY-SA-4.0

httpstat

27

reorx/httpstat

Skill Claude CodeCodex

Diagnose website and API performance using httpstat — a curl wrapper that visualizes HTTP timing breakdowns (DNS, TCP, TLS, server processing, content transfer). Use this skill whenever the user wants to debug slow websites, analyze HTTP/HTTPS latency, profile API response times, understand curl timing output, find…

not rated 6.2k +2 6mo ago A SkillSpector: warn 163 tokens original MIT

lsp-guide

28

workweave/router

Skill Claude CodeCodex

Recipes for the lsp tool — resolving where a symbol is defined, every place it is used, type signatures and docs, file outlines, and compiler/type errors through a real language server (Go, TypeScript/JavaScript, Python, Rust). Use when navigating or explaining code by symbol, finding callers or usages, checking what…

not rated 5.6k today A SkillSpector: pass 84 tokens Apache-2.0

perception-localize

29

dimensionalOS/dimos

Skill Claude CodeCodex

Locate objects with a running PerceptionLocalize stack over MCP (state, localize) - probe the machine, build the time window, watch labels on a schedule, narrow an object's position, change params per call, and tell where a failure comes from. Use whenever a blueprint with PerceptionLocalize and McpServer runs, such…

not rated 4.7k +23 today A 86 tokens

debug-task

30

moonrepo/moon

Skill Claude Code

Diagnose and fix moon tasks that are broken, misconfigured, or behaving unexpectedly. Use this skill when a moon task is failing, not running, skipped, hanging, producing stale or wrong output, cached when it shouldn't be, re-running every time, or missing outputs after a cache hit. Also covers pipeline hangs, tasks…

not rated 4.2k +8 changed 19d ago A Socket: passSnyk: passSkillSpector: warn 203 tokens original MIT

oracle

31

steipete/oracle

Skill Claude CodeCodex

Oracle second-model review: bundle prompts/files, debug, refactor, design.

not rated 4.1k +5 changed 7d ago A Socket: passSnyk: passSkillSpector: warn 18 tokens original MIT

NVIDIA-NeMo/Switchyard

Skill Claude Code needs its repo

Deep dive on Harbor trial results for tasks that use SWE-Bench-style F2P (FAILTOPASS) and P2P (PASSTOPASS) reference tests. Diagnoses why an agent failed and audits whether a failing task is genuinely hard or unfair (instruction-vs-verifier mismatch). Use when the user asks to analyze, debug, investigate, or deep dive…

not rated 3.4k +41 today A SkillSpector: warn 238 tokens original Apache-2.0

xpf0000/FlyEnv

Skill Claude CodeCodex

Use when implementing or reviewing FlyEnv multi-step operations, batch actions, PID candidate filtering, cleanup, supplementary actions, or changes to throw/reject and terminal result handling.

not rated 3.3k +18 today A 41 tokens original BSD-3-Clause

graphjin-eval

34

dosco/graphjin

Skill Claude CodeCodex

Create, extend, run, baseline, and diagnose GraphJin agent evaluations through the graphjin eval CLI.

not rated 3.2k +9 changed 1mo ago A SkillSpector: pass 27 tokens original Apache-2.0

desloppify

35

peteromallet/desloppify

Skill Claude CodeCodex

Multi-language codebase health scanner. Use when the user explicitly asks to run desloppify, scan for technical debt, get a health score, or create a cleanup plan. Do NOT trigger for general code review, renaming, or fixing individual bugs.

not rated 3.2k +10 5mo ago C 56 tokens

antfu/node-modules-inspector

Skill Claude CodeCodex

Inspects a project's installed nodemodules and produces three reports: duplicated packages (installed in multiple versions), packages sorted by install size, and maintenance actions (dep-upgrade opportunities + publint findings, grouped by consumer/author). Use when the user wants to audit dependencies, find duplicate…

not rated 3.0k +1 1mo ago A SkillSpector: warn 156 tokens original MIT

rev-idapython

38

P4nda0s/reverse-skills

Skill Claude CodeCodex

IDAPython and IDALib script reference for reverse engineering. Activate when the user needs to write IDAPython scripts in IDA, use IDALib for headless analysis, operate on IDB databases, debug with IDA, manipulate memory/registers, traverse functions/blocks/instructions, work with Hex-Rays decompiler API, handle…

not rated 2.3k +21 5mo ago A Socket: passSnyk: pass 84 tokens

bug-bash

39

coder/xum

Skill Claude CodeCodex

Run an agent bug bash of the Xum web UI in the bug-bash sandbox (TesterArmy e2e explore charters, each in its own locked-down Docker container with a seeded xum server), then verify each finding with a failing repro test. Use when asked to "bug bash" Xum, run e2e explore agents, the MCP Apps suite or the story tests…

not rated 2.1k +9 changed yesterday A 100 tokens AGPL-3.0

pawurb/hotpath-rs

Skill Claude Code

Build a Grafana dashboard JSON for a Rust project profiled with hotpath. Writes the dashboard file with context-aware panels (SQL and HTTP time per route, N+1 detection, memory and time per request, channel queues, lock contention, Tokio workers, per-thread CPU and allocations, profiling overhead) limited to what the…

not rated 1.9k changed 13d ago A 109 tokens original MIT

art-of-debugging

41

stas00/the-art-of-debugging

Skill Claude CodeCodex

Systematic methodology and concrete tool recipes for debugging Unix, Python, and PyTorch programs - crashes, hangs, segfaults, wrong output, CUDA OOM, NaN/Inf, slowness, and multi-node/multi-GPU issues. Use when a program crashes, hangs, deadlocks, segfaults, runs out of memory (OOM), produces NaN/Inf or wrong…

not rated 1.7k +1 changed 11d ago B 193 tokens CC-BY-SA-4.0

burrow-system-tools

42

caezium/burrow

Skill Claude CodeCodex

Diagnose and fix the user's Mac with Burrow's local MCP tools (burrowdoctor, burrowsnapshot, burrowtopprocesses, burrowprocessusage, burrowports, burrowanalyze, burrowdiskforecast, burrowdupes, burrowanomalies, burrowagentaudit, burrowclean, …). Use whenever the Mac is slow, hot, loud, low on disk, draining battery…

not rated 1.6k +16 today A SkillSpector: pass 194 tokens original MIT

d3k

43

vercel-labs/dev3000

Skill Codex ✓ vendor

Run and debug a local web app with a managed browser and a shared server/browser evidence timeline. Use when asked to develop, test, or reproduce a browser issue with d3k.

not rated 1.6k +3 changed yesterday A Socket: passSnyk: passSkillSpector: warn 41 tokens original MIT

kimaki-debug

44

remorses/kimaki

Skill Claude CodeCodex

Debug and administer Kimaki itself. Use when sessions do not respond, the bot shows errors, you need the Kimaki or OpenCode service logs, want to profile the bot, restart it (only when asked), connect a model provider with kimaki login, check who may use the bot, or file a Kimaki bug report. ALWAYS load when Kimaki…

not rated 1.4k +2 yesterday A 95 tokens original MIT

verify-cli-run

45

reticlehq/reticle

Skill Claude CodeCodex

Prove that a command-line tool actually did what it said, instead of trusting its exit code and its output. Snapshots the filesystem before and after, names the expected consequence in advance, and returns one of four verdicts with what could not be seen. Use after running a build, a migration, a scaffolder, a…

not rated 1.3k +18 changed 15d ago A 126 tokens

hns-lsel-curator

46

modu-ai/moai-adk

Skill Claude Code

Local Self-Evolution Loop (LSEL) curator — the CLUSTER + drain engine for the GOOS-local PROPOSE→APPLY seam closure (SPEC-LSEL-LOCAL-EVOLUTION-001). Companion-offset drain of .moai/lessons-inbox.jsonl with a drain-side severity filter that drops the 65% Bash-timeout/sandbox noise, eventkey clustering with a frequency…

not rated 1.2k +1 changed 17d ago A SkillSpector: warn 135 tokens original Apache-2.0

massgen/MassGen

Skill Claude CodeCodex

Run MassGen experiments and analyze logs using automation mode, logfire tracing, and SQL queries. Use this skill for performance analysis, debugging agent behavior, evaluating coordination patterns, and improving the logging structure, or whenever an ANALYSISREPORT.md is needed in a log directory.

not rated 1.1k +2 4mo ago A 60 tokens

instrument-agent

48

raindrop-ai/workshop

Skill Claude CodeCodex

Set up Raindrop AI traces for an agent and verify they flow into Workshop. Use when the user says "set up traces", "add tracing", "instrument my agent", "wire Raindrop", "Workshop is empty", or "make traces show up in Workshop." Guides unknown repos by discovering runtime and telemetry setup, using current Raindrop…

not rated 1.1k +4 3d ago A SkillSpector: pass 114 tokens original MIT

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