Debugging skills

11,120 tagged Debugging, measured the same way as everything else here.

Browse within: LLM 141agent 114skills 109cli 107agents 90agentic-ai 81javascript 80cursor 69ai-coding 51claude-code-plugin 44ab-testing 42antigravity 41copilot 40mcp-server 38

fcsouza/agent-skills

Skill Claude CodeCodex

Covers building, extending, debugging, and maintaining Foundry VTT modules for v14+. This skill applies when scaffolding a new module, writing custom Actor/Item types with TypeDataModel, building ApplicationV2 sheets, dialogs, or detached windows, registering hooks or settings, implementing socket communication…

not rated 22 +1 changed 1mo ago A 216 tokens GPL-3.0

mcdk-tracy-profiling

362

lovelyXiaoQi/mcdk-mcp-tracy

Skill Claude CodeCodex

A performance-monitoring workflow for Minecraft Bedrock mods that uses Tracy, a tool that records where a running program spends CPU time.

not rated 22 changed 1mo ago A 92 tokens original MIT

rust-doctor

363

arthjean/rust-doctor

Skill Claude CodeCodex

Use when Rust code just changed and must not regress, when the user asks to scan, audit or health-check a Cargo workspace, says "rust-doctor", or wants one of its findings explained, tuned or switched off.

not rated 22 +2 changed 3d ago A SkillSpector: warn 49 tokens original Apache-2.0

ProxymanApp/proxyman-SKILL.md

Skill Codex

Download, install, launch, and prepare Proxyman on macOS, Windows, or Linux. Use when Proxyman is absent or the user asks to install, download, start, or prepare Proxyman before MCP configuration.

not rated 22 +1 2mo ago A 53 tokens

sgrep

365

XiaoConstantine/sgrep

Skill Claude CodeCodex

Semantic and hybrid code and conversation search for intent-based queries. Use when exploring unfamiliar codebases, finding code by concept instead of exact text, or recalling past agent conversations about similar problems.

not rated 22 +1 1mo ago A 40 tokens original Apache-2.0

bug-fix

366

nightona-co/nightona

Skill Claude CodeCodex

Reproduce a GitHub issue with a failing test, implement the minimal fix, verify tests pass, and open a pull request. Use this skill when given an issue number and a working checkout of the target repository.

not rated 22 26d ago A 47 tokens AGPL-3.0

extend-skill

367

neat-technologies/neat

Skill Claude CodeCodex

/neat extend is a set of six MCP surgical tools for long-tail instrumentation — three diagnostic (read-only), three operative (file-scope-restricted, idempotent, reversible, observable). The user's MCP agent reasons; NEAT operates. NEAT holds no LLM key and never auto-applies. No standalone CLI variant. Discovery is…

not rated 22 2d ago A 106 tokens original Apache-2.0

build-comparison

368

SergeyTeplyakov/BinlogInsights

Skill Claude CodeCodex

Compare two MSBuild builds and report differences using binlog-insights MCP tools. Use when comparing CI vs local builds, before/after a change, different build configurations, or migrating build systems (e.g., CoreXT to stock MSBuild). Also triggers for build diff, environment differences, and package version…

not rated 21 4mo ago A 67 tokens

drupal-contribute-fix

369

scottfalconer/drupal-contribute-fix

Skill Claude CodeCodex

Investigate bugs in Drupal core or contributed modules, themes, and profiles. Search Drupal.org for existing work before code changes. Prepare local diffs, reproduction steps, and review evidence for contribution. Use for local fixes as well as upstream contribution work.

not rated 21 changed 6d ago A 57 tokens

auto-cr

370

wangweiwei/auto-cr

Skill Claude CodeCodex

Use this skill when you need to run auto-cr on JavaScript/TypeScript code or explain how to configure it.

not rated 21 19d ago A 0 tokens original MIT

footprint

371

footprintjs/footPrint

Skill Claude CodeCodex

Use when building flowchart pipelines with footprintjs — stage functions, decider branches, selectors, subflows, loops, narrative traces, recorders, redaction, contracts, and LLM-ready output. Also use when someone asks how footprint.js works or wants to understand the library.

not rated 21 changed 8d ago A SkillSpector: warn 60 tokens original MIT

claude-brain

372

Brainwires/rullama-framework

Skill Claude Code

Check Claude Brain status — shows whether hooks, MCP server, and memory are working.

not rated 21 +1 1mo ago A 21 tokens original Apache-2.0

syncause-debugger

373

Syncause/debug-skill

Skill Claude CodeCodex

Diagnose and fix bugs using runtime execution traces. Use when debugging errors, analyzing failures, or finding root causes in Python, Node.js, or Java applications.

not rated 21 +1 6mo ago A 37 tokens

ai-taint-scanner

374

marcosd4h/DeepExtractRuntime

Skill Claude CodeCodex needs its repo

AI-driven taint analysis scanner that traces attacker-controlled data through cross-module callgraphs using LLM agents with taint-specific context enrichment, trust boundary analysis, and skeptic verification. Use when the user asks to trace taint, find where attacker data reaches dangerous sinks, analyze data flow…

not rated 21 changed 1mo ago A 77 tokens original MIT

mobile-perf-doctor

375

ezesubu/VERA

Skill Claude CodeCodex

VERA ships a mobile and performance doctor: a small set of read-only tools that audit the project for things that hurt — or outright break — a mobile build. Use it proactively whenever the user is about to package for mobile, complains about device crashes, or worries about GPU/shader cost.

not rated 21 +2 2mo ago A 0 tokens original MIT

de-postmortem-writer

376

ivanshamaev/de-agent-skills

Skill Claude CodeCodex

DE blameless postmortem — incident timeline reconstruction, impact quantification, root cause chain (5 Whys), corrective actions (CAPA), postmortem document template, severity classification, SLA breach reporting, communication templates, lessons-learned facilitation, postmortem review checklist.

not rated 21 5mo ago A 65 tokens

react-doctor

377

shipkit-io/bones

Skill Claude CodeCodex

Run after making React changes to catch issues early. Use when reviewing code, finishing a feature, or fixing bugs in a React project.

not rated 21 4d ago A 31 tokens

debugging

379

thixpin/pitway

Skill Claude CodeCodex

Investigate failures whose root cause is still unknown — narrow the search space, instrument, and test falsifiable hypotheses. Use for intermittent or environment-dependent behavior, unexplained stack traces, regressions with no known trigger, or any symptom without a confirmed cause. Ends once the root cause is…

not rated 20 4d ago A 86 tokens original MIT

adapter-drift-audit

380

ironlint/ironlint

Skill Claude Code

Use when checking whether an IronLint adapter still matches its coding harness's current contract — auditing adapter/harness drift, verifying hook payload shapes, plugin manifest schemas, lifecycle events, or tool names are up to date, or doing periodic adapter maintenance. Takes a harness name (claude-code, codex…

not rated 20 changed 1mo ago A SkillSpector: pass 75 tokens original Apache-2.0

cobbpeng/fpga-hardware-design-and-review-guide

Skill Claude Code

Comprehensive FPGA hardware design guide based on real-world project experience. Covers pipeline architecture, timing optimization, SystemVerilog coding patterns, CDC handling, and practical debugging techniques. Use this skill when: (1) designing FPGA modules with timing constraints, (2) implementing video processing…

not rated 20 8mo ago A 99 tokens original MIT

diagnose

382

emiliosheinz/agent-skills

Skill Claude CodeCodex needs its repo

Root-causes a bug and saves a verified fix proposal — it diagnoses, it never fixes. Use when a bug, error, crash, exception, failing or flaky test, regression, or unexplained behavior needs root-causing — especially when it is intermittent, subtle, cross-system, or resisted a first fix.

not rated 20 +1 changed 13d ago A 66 tokens original MIT

codebase-audit

383

GoldenWing-360/claude-security-skills

Skill Claude CodeCodex

Audit an inherited or unfamiliar codebase systematically rather than ad-hoc. Covers scope discipline, day-0 triage, SAST and SCA tool recipes (semgrep, CodeQL, gitleaks, trivy), OWASP Top 10 mapped to grep patterns, auth-surface walkthrough, and writing reports that drive remediation. Invoke when inheriting a…

not rated 20 +1 2mo ago A 93 tokens original MIT

sf-debug

384

Clientell-Ai/salesforce-skills

Skill Claude Code

Debug and troubleshoot Salesforce applications using debug logs, governor limit monitoring, error diagnosis, and performance profiling. Use when analyzing debug logs, diagnosing governor limit violations, interpreting stack traces, resolving common Salesforce errors, or profiling Apex performance. Activate on .log…

not rated 20 3mo ago A 89 tokens original Apache-2.0

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: