Debugging skills

10,196 tagged Debugging, measured the same way as everything else here.

Browse within: LLM 147cli 98agent 97agents 88skills 81agentic-ai 70javascript 70claude-code-plugin 50ai-coding 46ai-skills 40kubernetes 40metaprogramming 40software-development 40software-engineering 40

debug-slow-queries

482

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 7mo ago A 46 tokens original MIT

investigate-codebase

483

Data-System-School/agent-skills

Skill Codex

Build an evidence-backed working model of an existing codebase. Use when you must orient in a large or unfamiliar repository; explain architecture or a subsystem; trace a request, runtime, control, or data flow for a concrete question or bug; analyze a branch, commit, diff, or pull request for behavioral impact and…

not rated 9 +1 16d ago A 125 tokens original MIT

ai-edt

484

Desko77/ai-edt

Skill Claude CodeCodex

1C:Enterprise development through the AI-EDT MCP server - BSL analysis and editing, metadata and managed forms, query validation, project diagnostics, debugging, infobase updates and unit tests. Use when the project is a 1C:EDT workspace: BSL modules, .mdo metadata, 1C queries, managed forms. Also use when all you…

not rated 9 +1 3d ago A 111 tokens AGPL-3.0

rev-frida

485

iceman1001/awesome_rfid_claude_skills

Skill Claude CodeCodex

Generate Frida hook scripts using modern Frida API. Activate when the user wants to write Frida scripts, hook functions at runtime, trace calls or arguments or return values, intercept native or ObjC or Java methods, dump memory or exports, or handle native module load timing for Android and other targets.

not rated 9 +1 2mo ago A 65 tokens

wiki-lint

486

CodePhobiia/claude-roblox-game-studio

Skill Claude Code

Health-check the Roblox/Luau wiki. Scans all pages for frontmatter validity, broken wikilinks, orphans, stale stubs, stale content, bidirectional link consistency, required sections, unresolved contradictions, index drift, and uncovered raw sources. Runs periodically or on demand.

not rated 9 4mo ago A 62 tokens original MIT

explain-error

487

Brattlof/skillet

Skill Claude CodeCodex

Explain a stack trace or error message and suggest concrete fixes.

not rated 8 1mo ago A 16 tokens original MIT

postmortem-solo

488

rockscy/solo-skills

Skill Claude CodeCodex

Run a lightweight, blame-free postmortem after an incident, failed launch, or missed deadline — for one person. Use when the user says "that didn't go well", "the launch flopped", "we had an outage", "I missed my deadline", or wants to learn from a recent failure.

not rated 8 2mo ago A 68 tokens original MIT

BESSER-PEARL/BESSER-Skills

Skill Claude CodeCodex needs its repo

Diagnose and fix BESSER errors fast. Use this skill whenever the user is staring at a Python traceback, ImportError, ModuleNotFoundError, ValueError, TypeError, AttributeError, jinja2.TemplateNotFound, subprocess.CalledProcessError, or any other failure originating from BESSER (besser.BUML, besser.generators…

not rated 8 2mo ago A 306 tokens original Apache-2.0

codesynapse-cli

490

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 1mo ago A 182 tokens original MIT

module-map-reconciler

491

Eliyce/paqad-ai

Skill Codex

Retrospective reconciler that scans the source tree against module-map.yml and docs/modules/, emits MM- findings into .paqad/module-map/drift.json, and surfaces user-approvable deltas. Issue.

not rated 8 yesterday A 49 tokens original MIT

magequery

492

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 8 yesterday C 308 tokens EUPL-1.2

DevvGwardo/brain-mcp

Skill Codex

Audit and harden the brain-mcp repository with Hermes Agent. Use when Codex needs to inspect this repo for reliability, orchestration, or maintainability weak spots; run a read-only Hermes audit; implement one or two bounded fixes locally; validate the result; and then commit and push only the intended changes.

not rated 8 1mo ago A 71 tokens original MIT

httap

494

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 yesterday A 0 tokens original MIT

openocd-mcp-debug

495

luiox/openocd-mcp

Skill Claude Code

Skill "openocd-mcp-debug" from luiox/openocd-mcp, covering openocd-mcp embedded debug skill, project overview, core architecture, mcp tool complete reference and project & configuration.

not rated 8 3mo ago A 101 tokens original MIT

shanraisshan/draw-json-architecture-skill

Skill Claude Code

Draws an interactive HTML Architecture Viewer for any code flow the user names. Walks through seven research-driven steps (flow, name, repo research, lens colors, evidence flags, lens+mechanism per stop, build) and verifies links, claims, and generated artifacts before delivery.

not rated 8 +1 3mo ago A 62 tokens

line-locator

497

unkluco/line-locator

Skill Claude CodeCodex

Định vị dòng trước khi đọc file hoặc tìm file trong cây thư mục — tránh đọc mù, tiết kiệm token. Dùng khi cần tìm hàm, class, symbol, hoặc bất kỳ pattern nào trong source code trước khi gọi viewrange. Hai công cụ: findtree.py (tìm file nào có chứa pattern) và findtool.py (tìm dòng nào trong một file).

not rated 7 5mo ago A 85 tokens original MIT

cuda-kernel-optimizer

498

troycheng/cuda-kernel-optimizer

Skill Codex

Use when optimizing, tuning, diagnosing, or profiling CUDA, CUTLASS, Triton, PyTorch, vLLM, TensorRT-LLM, or another GPU workload; when assessing an NCU, Nsys, or PyTorch Profiler report; or when the test workload, correctness checks, measurement path, or target environment is incomplete.

not rated 7 changed yesterday A 77 tokens original MIT

systematic-debugging

499

bh-rat/steer

Skill Claude CodeCodex

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

not rated 7 2mo ago A 21 tokens original MIT

rigor3

500

MaySudo/rigor3

Skill Codex

Audit, score, remediate, and verify repositories across code hygiene, architecture hygiene, and engineering hygiene. Use for an explicit Rigor3 or three-hygiene request, a strict repository-wide quality audit, a cross-dimensional cleanup plan, or before-and-after verification. Do not use for an ordinary focused review…

not rated 7 23d ago A 78 tokens original MIT

graphify

501

DanielC000/loom

Skill Claude CodeCodex

Use to orient in an unfamiliar codebase with graphify, a local tree-sitter code graph — "what does this symbol touch", "how do these two connect", "trace this call chain". Opt-in (the human installs graphify once). A forward-orientation aid, NOT a reliable reverse-dependency tool. Shipped and kept current by Loom.

not rated 7 yesterday A 75 tokens original MIT

save-bugfix

502

hifriendbot/cogmemai-mcp

Skill Claude CodeCodex

After resolving any bug, save what broke, the root cause, and the fix as a CogmemAi memory so the same problem never has to be debugged twice. Use immediately after a bug is fixed, after diagnosing a flaky test, after recovering from a production incident, or after the user says "got it working", "that fixed it"…

not rated 7 5d ago A 97 tokens original MIT

saleae-mcp-debugger

504

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 7 5d ago A 0 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: