Debugging

16,959 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

ai4j-app-builder

145

LnYo-Cly/ai4j

Skill Codex

Use this skill when helping users build applications with AI4J in their own Java or Spring Boot projects, including first chat, streaming, tool/function calls, MCP, RAG, memory, Agent runtime, Coding Agent CLI embedding, FlowGram integration, provider configuration, dependency selection, and troubleshooting. It guides…

not rated 437 +2 24d ago A SkillSpector: warn 120 tokens original Apache-2.0

api-debugging

146

ownpilot/OwnPilot

Skill Claude Code

Systematic approach to debugging REST APIs, HTTP errors, authentication issues, and network problems. Use when the user has API errors, status code issues, timeout problems, or needs help troubleshooting HTTP requests.

not rated 429 1mo ago A SkillSpector: pass 44 tokens original MIT

skills

147

blueberrycongee/termcanvas

Plugin Claude Code

Bundles 7 skills, 1 hook · 318 tokens together

TermCanvas skills: Hydra sub-agent orchestration, adversarial review, systematic debugging, security auditing, code review, and browser-based QA testing.

not rated 418 +2 5mo ago A tokens not measured original MIT

hardwood-cli

148

hardwood-hq/hardwood

Skill Claude CodeCodex

Inspect, debug, and convert Apache Parquet files with the hardwood CLI. Use whenever a user is debugging code that reads or writes Parquet (Arrow / Spark / Flink / Java / Python) and the data file itself may be the cause — to check the schema, physical and logical types, repetition, or a row sample. Use it to diagnose…

not rated 418 +1 changed 13d ago A SkillSpector: warn 216 tokens original Apache-2.0

incident-triage

149

mezmo/aura

Skill Claude CodeCodex

Use when asked to triage, investigate, or diagnose a Kubernetes incident, outage, or unhealthy workload. Gives the step-by-step order of investigation and the format for the findings.

not rated 411 +6 yesterday A SkillSpector: pass 41 tokens original Apache-2.0

aspectrr/deer

Skill Claude CodeCodex

Diagnose and resolve Elasticsearch security errors: 401/403 failures, TLS problems, expired API keys, role mapping mismatches, and Kibana login issues. Use when the user reports a security error.

not rated 406 +1 6mo ago A SkillSpector: warn 48 tokens original MIT

evidence-audit

151

WrongStack/WrongStack

Skill Codex

Proof-driven audit rounds in any language: find defects a runnable proof reproduces, patch narrowly, verify, keep a ledger. Finds only defects that a runnable proof reproduces on current code, applies the narrowest in-scope patch, verifies with a second proof, promotes high-risk proofs to permanent regression tests…

not rated 404 +6 changed 3d ago A 163 tokens original MIT

Android-App

152

Windscribe/Android-App

Skill Claude CodeCodex

You are an AI agent working with the Windscribe Android app codebase. This skill defines HOW to perform common development, debugging, and maintenance tasks.

not rated 402 +5 3d ago A 0 tokens GPL-2.0

gearsystem-debugging

153

drhelius/Gearsystem

Skill Claude CodeCodex

Debug and trace Sega Master System, Game Gear, and SG-1000 games using the Gearsystem emulator MCP server. Provides workflows for Z80 CPU debugging, breakpoint management, VDP/PSG/YM2413 hardware inspection, disassembly analysis, execution tracing, and rewind/time-travel debugging. Use when the user wants to debug an…

not rated 399 +1 changed 13d ago A SkillSpector: warn 178 tokens GPL-3.0

ghidra-rpc

154

cellebrite-labs/ghidra-rpc

Skill Claude CodeCodex

Reverse engineering assistant powered by Ghidra. Use for binary analysis, decompilation, vulnerability research, auditing compiled code, renaming symbols, annotating disassembly, cross-references, or any RE task - even without explicit mention of Ghidra.

not rated 396 +2 changed 3d ago A 58 tokens

ast-deobfuscate

155

715494637/reverse-skill

Skill Claude Code

A tool for simplifying JavaScript code that has been deliberately made hard to read, using its abstract syntax tree (AST), a structured representation of code.

not rated 386 +4 6mo ago A 57 tokens

better-drizzle

156

almeidazs/better-drizzle

Skill Claude CodeCodex

Write, review, and debug code that uses better-drizzle, the typed repository layer over Drizzle ORM 1.x (better(db), db.users.findMany, paginate, cursor, upsertMany, relation include/connect, transactions, and the rules/zod/soft-delete/timestamps/uuid/cache/tenant plugins). Use when a project imports better-drizzle…

not rated 385 +2 changed 20d ago A SkillSpector: pass 106 tokens original Apache-2.0

web-js-env-patcher

157

lwjjike/xbsReverseSkill

Skill Codex needs its repo

A skill for analysing and recreating the browser features that website JavaScript expects when running in Node.js. Node.js is a server-side JavaScript runtime, while browser code may depend on objects such as the DOM, storage, canvas, WebGL, workers, and network APIs.

not rated 383 +2 3mo ago A SkillSpector: pass 201 tokens original MIT

firebase

158

MartinStyk/apk-analyzer

MCP server Claude CodeCodexCursor +2

MCP server "firebase" as configured in MartinStyk/apk-analyzer. Launched with firebase experimental:mcp --only crashlytics.

not rated 381 +3 yesterday A tokens not measured GPL-3.0

systematic-debugging

159

dirge-code/dirge

Skill Claude CodeCodex

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes — find the root cause first instead of guessing at symptom patches.

not rated 378 +2 3d ago A 34 tokens GPL-3.0

renderdoc-mcp

160

JiaboLi-GitHub/renderdoc-mcp

Skill Codex

Analyze RenderDoc GPU frame captures with renderdoc-mcp MCP tools. Use when Codex needs to inspect .rdc captures, diagnose black screens or visual artifacts, explain frame structure, inspect specific draw calls, or investigate GPU rendering and performance issues.

not rated 378 +5 5mo ago A SkillSpector: warn 55 tokens original MIT

debugger

162

nth5693/gemini-kit

Agent Claude Code

Analyze errors and bugs, identify root causes, and provide systematic fix recommendations.

not rated 370 8mo ago A 18 tokens original MIT

procmon

163

progmboy/openprocmon

Skill Claude CodeCodex

Capture and analyze Windows process / file / registry / network activity with OpenProcMon (procmon-cli). Use when investigating what a program does — files it writes, registry keys it touches, network it makes, its process tree and call stacks — or when analyzing a Procmon-compatible .PML capture. The model: a capture…

not rated 364 +3 12d ago A SkillSpector: pass 80 tokens original MIT

fast-context-mcp

164

SammySnake-d/fast-context-mcp

MCP server Claude CodeCodexCursor +2

AI-driven semantic code search via reverse-engineered Windsurf protocol (Node.js). Runs locally from the @sammysnake/fast-context-mcp npm package.

not rated 362 +1 1mo ago A tokens not measured original MIT

tilth

165

jahala/tilth

Skill Claude CodeCodex

Use when exploring a codebase, finding where a symbol is defined or used, tracing its callers or callees, reading a source file as an outline, checking what depends on a file before changing it, or reviewing a diff by function. Covers 17 languages.

not rated 358 +1 changed today A SkillSpector: pass 56 tokens original MIT

web-performance

167

millionco/debug-agent

Skill Claude CodeCodex

Use when the user reports jank, dropped frames, janky scrolling, slow click or typing response, poor INP, slow LCP, layout shifts (CLS), unresponsive pages, or asks to debug rendering, animation, or interaction performance in a browser app.

not rated 353 +1 5mo ago A SkillSpector: warn 57 tokens original MIT

code-graph

168

FalkorDB/code-graph

Skill Claude CodeCodex

This skill should be used when understanding code structure, finding dependencies between functions/classes, tracing call graphs, or exploring code relationships. Trigger phrases include 'code graph', 'call graph', 'who calls', 'what calls', 'find dependencies', 'code structure', 'inheritance', 'find paths'.

not rated 351 +1 4d ago A SkillSpector: pass 64 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: