Debugging

15,552 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.

debug-slow-queries

794

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

795

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 19d ago A 125 tokens original MIT

magequery

796

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 9 +1 4d ago C 308 tokens EUPL-1.2

ctx

797

tabnine/skills

Cursor rule Cursor

Use Context Engine CLI (ctx-cli) to search code & the knowledge graph, investigate services, triage/resolve CVE & SAST findings, and apply coding guidelines.

not rated 9 +1 1mo ago A 231 tokens

cfops-error-sentinel

798

pain2hustle/AMH-Cloudflare-Ops-MCP-by-WT

Skill Claude CodeCodex

Standing backstop that periodically looks across whatever surfaces the operator has (widgets, workers, endpoints, mail), and if anything smells wrong it informs, investigates, and writes the suspicion + logs into the next-run briefing so the master AI comes in already aware. Use to catch errors the operator did not …

not rated 9 17d ago A 75 tokens

finfocus-routing

799

rshade/finfocus

Skill Claude CodeCodex

Configure and debug FinFocus intelligent plugin routing. Use when setting up multi-plugin routing, configuring priority and fallback rules, writing pattern matching for resource types, testing route selection, or debugging why a plugin isn't receiving cost queries. Triggers on: "configure routing", "plugin priority"…

not rated 9 +4 today A 101 tokens original Apache-2.0

yxy050208/multisim-mcp

Skill Claude CodeCodex

Diagnose, configure, generate, simulate, and report on NI Multisim circuits through the Multisim MCP server. Use when the user asks to install or configure Multisim MCP, generate a Multisim schematic, run circuit simulation, analyze waveforms, or produce an electronic design report.

not rated 9 +2 changed 5d ago A SkillSpector: pass 64 tokens original MIT

coding-loop

802

duthaho/skillhub

Plugin Claude Code

Bundles 8 skills · 1,367 tokens together

The evidence-gated coding loop: orient (map), build (feature), fix (bugfix), improve (refactor), gate (done), and run it all on one yes (autopilot).

not rated 9 yesterday A tokens not measured original MIT

explain-error

803

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

804

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

trail

806

Pratham-Mishra04/trail

Plugin Claude Code

Bundles 1 skill, 1 MCP server · 52 tokens together

Capture process logs and let your AI agent debug them. Auto-wires the trail MCP server (listsessions, getlogs) and ships a debugging skill that walks through capturing → querying → cleanup.

not rated 8 3mo ago A tokens not measured original MIT

plumber

807

akshatnerella/plumber

Cursor rule Cursor

Plumber, root cause first. Always fix the pipe, not the floor.

not rated 8 2mo ago A 405 tokens original MIT

catenary

808

TwoWells/Catenary

Plugin Claude Code

Bundles 27 hooks

Enforced code intelligence for Claude Code — an opinionated, LSP-backed command surface (grep, glob, sed, diagnostics) plus a hook that keeps the agent on the code-intelligent path.

not rated 8 1mo ago A tokens not measured AGPL-3.0

mozg-devtools

809

egorfedorov/mozg

Plugin Claude Code

Bundles 1 MCP server

Hands for the PixiJS brain: measure a running game instead of guessing — performance traces, FPS, draw calls, console and network.

not rated 8 14d ago A tokens not measured AGPL-3.0

rig

810

Astralchemist/rig

Cursor rule Cursor

Rig MCP usage guide — when to use which tool.

not rated 8 3mo ago A 983 tokens original Apache-2.0

godotlens

811

pzalutski-pixel/godotlens-mcp

MCP server Claude CodeCodexCursor +2

Godot's own view of your GDScript project: navigation, diagnostics, engine API, scene checks. Runs locally from the godotlens-mcp npm package. Needs 10 environment variables to run.

not rated 8 1mo ago A tokens not measured original Apache-2.0

codesynapse-cli

812

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 2mo ago A 182 tokens original MIT

module-map-reconciler

816

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 SkillSpector: warn 49 tokens original MIT

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