Debugging skills

10,952 tagged Debugging, measured the same way as everything else here.

Browse within: LLM 142agent 114skills 108cli 106agents 91agentic-ai 81javascript 81cursor 69ai-coding 51claude-code-plugin 45ab-testing 42antigravity 41copilot 39mcp-server 38

error-handling

529

saidsef/mcp-github-pr-issue-analyser

Skill Claude CodeCodex

Read the error codes these tools raise and decide whether to retry, fix the call, or stop.

not rated 6 changed 2d ago A SkillSpector: pass 19 tokens original Apache-2.0

search-codebase

530

roshunsunder/filesift

Skill Claude Code

Searches and indexes codebases using natural language queries via hybrid keyword and semantic search. Use when the user wants to find files in a project, understand code structure, locate implementations, or discover related files. Triggers on queries like "find the authentication logic", "where is the database…

not rated 6 8mo ago A 74 tokens original Apache-2.0

self-review

531

motiful/self-review

Skill Claude CodeCodex

A report-only audit of a project’s design, files, skills, and progress. It checks whether these parts still agree and runs read-only verification such as builds or commands.

not rated 6 6mo ago A 59 tokens original MIT

rca

532

noordeen123/culprit

Skill Claude Code

Root-cause analysis and QA review for a PR, branch, or stack trace. Detects bugfix vs feature, then for a bugfix finds the commit that introduced the bug (the suspect set, via git blame/log), the bug's life story (intent, releases it shipped in, hotspot recurrence, fix completeness), and explains why it broke; for a…

not rated 6 2mo ago A 173 tokens original MIT

NFTYoginis/agency-of-one

Skill Claude Code

Aggregate breadcrumbs, escalations, and audit logs from the last 14–30 days to surface recurring correction patterns that should be fixed at the source level (brief template, config/, WORKER-RULES.md) rather than re-fixed each session. Use during weekly maintenance Phase 2, after a redo dispatch, or when the operator…

not rated 6 2mo ago A 159 tokens

glyphtrail

534

glyphtrail/glyphtrail

Skill Claude CodeCodex

Query this repo's code graph instead of ls/grep/reading files blindly. Use whenever you are understanding the codebase or its architecture, tracing how something works, or searching for a symbol or term; before changing a symbol, to get its blast radius (dependent symbols, tests to run, API surface, and other indexed…

not rated 6 yesterday A 151 tokens EUPL-1.2

temporal-debug

535

MeherBhaskar/temporal-debug-skill

Skill Claude CodeCodex

Use this skill when the user is debugging a bug, error, crash, or issue that might be tied to a specific point in time (e.g., "crash from 3 hours ago", "bug in v2.4.1", "last night's deploy"). It guides the agent to reconstruct the historical code state and analyze the bug in that context.

not rated 6 3mo ago A 77 tokens original MIT

dejavu

536

WhiteBite/opencode-dejavu

Skill Claude CodeCodex

Protocol for working with the dejavu error-gate plugin. Use when a tool call is answered with a "[dejavu] REMINDER" or "[dejavu] BLOCKED" message, when the same tool call fails repeatedly, or when you discover the root cause of a gated failure. Covers how to react to reminders, what BLOCKED means, the dejavu:proceed…

not rated 6 changed 1mo ago A 99 tokens original MIT

checkyourself

537

KyaniteLabs/checkyourself

Skill Codex

Use when completed work makes claims — "done", "tests pass", "it works", "ready to launch" — that must be verified before they are believed. Re-derive each claim from the work itself and report CONFIRMED / REFUTED / UNVERIFIABLE with evidence. Fast claim-verification by default; the deterministic production-readiness…

not rated 6 +1 changed 1mo ago A 82 tokens original Apache-2.0

powerbi-debugging

538

pennyfan1031/powerbi-debugging

Skill Claude CodeCodex

Power BI debugging and optimization assistant. Use when diagnosing Power BI errors, optimizing slow DAX queries, running model health checks, reviewing calculated tables, or debugging relationship issues. Triggers on error messages, performance complaints, model validation requests, and DAX troubleshooting. Always…

not rated 6 8mo ago A 79 tokens original MIT

kings0527/agent-skills

Skill Claude CodeCodex

Reverse engineering meta-cognitive activation engine. Manages attention allocation, noise suppression, task-mode routing, object typing, hypothesis branching, mental model switching, and analysis boundary judgment at a meta level. Use when performing reverse engineering, binary analysis, malware analysis, obfuscation…

not rated 6 3mo ago A 136 tokens original MIT

ctrlx

542

gmantoha/ctrlx-os-agent-skills

Skill Claude Code

Use for Bosch Rexroth ctrlX OS and ctrlX CORE tasks including debugging apps and services, configuring devices, VPN/network/firewall/storage setup, building ctrlX snaps, REST/Data Layer/WebDAV/Web UI workflows, PLC integration, virtual labs, demos, and customer technical answers.

not rated 6 changed 1mo ago A 60 tokens original MIT

re-autopilot

543

telagod/pi-moke

Skill Claude CodeCodex

An authorised reverse-engineering workflow for examining local software samples and recovering how they work. Reverse engineering means studying compiled or packaged software, such as an APK, ELF, PE, or firmware image, to infer its logic.

not rated 6 1mo ago A 140 tokens

ci-triage

544

rcconsult/ppxai

Skill Claude CodeCodex

You are a CI triage agent. A CI job has failed. Read the relevant logs and source under your read-scope, then identify the most likely root cause.

not rated 6 2d ago A 0 tokens original MIT

k8s-rbac-quota

545

kudig-io/kudig-database

Skill Claude CodeCodex

A troubleshooting guide for Kubernetes access permissions and resource limits. Kubernetes is software for running and managing containers, while RBAC controls who can do what and ResourceQuota limits resource usage.

not rated 6 +1 changed 1mo ago A 22 tokens original Apache-2.0

post-mortem

546

rot13maxi/agent-post-mortem

Skill Claude CodeCodex

Run an Amazon-style Correction of Errors (COE) post-mortem on a development process failure. Produces a structured document with summary, timeline, five-whys root cause analysis, lessons learned, and typed action items — then offers to implement the fixes. Use this whenever something goes wrong in the dev process: a…

not rated 6 7mo ago A 0 tokens

compiler-explorer

547

rockorager/skills

Skill Claude CodeCodex

Optimize functions by generating and analyzing compiler assembly output. Use when asked to optimize a function, analyze generated assembly, or improve performance by examining what the compiler produces.

not rated 6 9mo ago A 36 tokens original MIT

profano

548

remorses/profano

Skill Claude CodeCodex

CLI tool to analyze V8 .cpuprofile files and Chrome Performance traces and print top functions by self-time or total-time in the terminal. ALWAYS load this skill when CPU profiling JavaScript or TypeScript programs (Node, Vitest, Bun, Chrome DevTools exports, Cloudflare Workers startup or request CPU). It shows how to…

not rated 6 2mo ago A 90 tokens

temporal-cloud

549

temporalio/skill-temporal-cloud

Skill Claude CodeCodex

Fix Temporal Cloud connection, auth, and config problems. Use when users hit login failures, can't connect to Cloud, get x509/TLS errors, have namespace or endpoint mismatches, paste broken SDK connection snippets, are confused about which endpoint to use, see "no pollers" or RESOURCEEXHAUSTED, struggle with…

not rated 6 7mo ago A 103 tokens original MIT

9398-haha/codex-reconnect-repair

Skill Codex

Diagnose and safely repair Codex "Reconnecting... 1/5" through "5/5" loops in the CLI, desktop app, or IDE on macOS, Linux, and Windows. Use when a Codex turn stalls on repeated stream reconnects or only succeeds after HTTPS fallback; do not use for generic login, quota, model, or rate-limit errors.

not rated 6 1mo ago A 83 tokens original MIT

TeamManagementPlugin/claude-plugin

Skill Claude CodeCodex

Systematic debugging — a four-phase root-cause methodology, boundary instrumentation for multi-component systems, the 3-fix escalation rule, and a verification gate to run before claiming anything is fixed. Use on any test failure, production bug, build failure, performance regression, or integration glitch, and…

not rated 6 11d ago A 95 tokens original MIT

bug-triage

552

tinhtran24/maestro

Skill Claude CodeCodex needs its repo

Triage bugs reported in chat/issues, search for duplicates, file or update GitHub issues with full context, and push fix PRs.

not rated 6 3mo ago A 33 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: