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.

issue

98

getsentry/sentry-mcp

Command Claude Code

Command "issue" from getsentry/sentry-mcp, covering examples, list issues, list issues in a specific project, all projects in an org and search for a project across organizations.

not rated 932 20d ago A 0 tokens

pdd-bug

99

promptdriven/pdd

Skill Claude CodeCodex

Use when fixing PDD bugs, errors or wrong results. Reproduce, prompt/tests PR 1, code PR 2 if asked.

not rated 931 +5 changed today A 33 tokens original MIT

code-review

100

Shy2593666979/AgentChat

Skill Claude CodeCodex

A code-review procedure for examining supplied code or a change diff for evidence-based bugs, compatibility problems, and data risks.

not rated 929 +4 20d ago A 41 tokens original MIT

debugger

101

Auties00/Cobalt

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server "debugger", hosted remotely at 127.0.0.1, as configured in Auties00/Cobalt.

not rated 928 +2 3mo ago A tokens not measured original MIT

ast-grep

102

ast-grep/agent-skill

Plugin Claude Code

Bundles 2 skills · 117 tokens together

Guide for writing ast-grep rules to perform structural code search and analysis. Use when users need to search codebases using Abstract Syntax Tree (AST) patterns, find specific code structures, or perform complex code queries that go beyond simple text search.

not rated 902 +2 changed 1mo ago A tokens not measured

ast-grep

103

vinhnx/VTCode

Skill Claude CodeCodex

Use for ast-grep project setup, rule authoring, rule debugging, and structural search workflows.

not rated 898 +4 changed 1mo ago A SkillSpector: pass 24 tokens original Apache-2.0

gmh5225/awesome-llvm-security

Skill Claude Code

Expertise in LLVM-based dynamic binary instrumentation, runtime tracing, and program monitoring. Use this skill when implementing runtime analysis tools, code coverage systems, profilers, or dynamic security monitors.

not rated 890 1mo ago A SkillSpector: pass 42 tokens original MIT

xberg-io/html-to-markdown

Skill Claude Code

How the core crate turns HTML into Markdown: Tier-1 scanner, Tier-2 DOM walk, element converters, input validation and depth limits. Use when changing conversion output, parsing, or input-safety behavior in crates/html-to-markdown.

not rated 887 +2 changed yesterday A 49 tokens original MIT

gdmcp

106

yurineko73/Godot-MCP-Native

Skill Claude CodeCodex

Use the installed gdmcp CLI to inspect, edit, run, and debug a Godot project without loading the complete Godot MCP tool catalog.

not rated 871 +8 3mo ago A SkillSpector: pass 34 tokens original MIT

harness-optimizer

107

A-EVO-Lab/a-evolve

Skill Claude Code

Optimize an AI agent's harness for MCP-Atlas benchmark. Use when analyzing execution traces, diagnosing failures, and proposing improved prompts, skills, or harness code.

not rated 842 +6 yesterday A 37 tokens

debugging-linux-games

108

joshsymonds/nix-config

Skill Claude CodeCodex

Use when a Steam, Proton, Wine, Lutris, or Heroic game misbehaves on Linux — crashes at launch, black screen, missing DLSS / Ray Tracing / Path Tracing / DLSS-RR / Frame Generation, anti-cheat failures, shader stutter, controller or HDR or Wayland-fullscreen problems, intro-video failures ("Failed to create…

not rated 835 +2 changed 1mo ago A SkillSpector: warn 274 tokens original MIT

gsd-debugger

109

rokicool/gsd-opencode

Agent Claude Code

Investigates bugs using scientific method, manages debug sessions, handles checkpoints. Spawned by /gsd-debug orchestrator.

not rated 827 +2 5mo ago A 29 tokens

kuna-decompiler

110

Noelo-Lab/kuna

Skill Claude CodeCodex

Use the Kuna CLI to recover searchable C and assembly, trace program logic, and validate findings in CTF solving, vulnerability hunting, malware identification, and program repair. Covers using Kuna, not developing the decompiler.

not rated 820 +61 changed 4d ago A 48 tokens original Apache-2.0

vial

111

usehelix/helix

Skill Claude Code

Vial self-healing runtime — 8 protocols covering technical failures, behavioral failures, and agent role enforcement.

not rated 817 +2 5mo ago A SkillSpector: warn 25 tokens original MIT

openocd

113

zhinkgit/embeddedskills

Skill Claude Code

A toolkit for programming and debugging microcontrollers through hardware probes such as ST-Link or CMSIS-DAP. OpenOCD can act as a GDB Server, allowing a debugger to inspect source code, registers, memory, breakpoints, and program execution.

not rated 785 +10 17d ago A Socket: warnSnyk: passSkillSpector: pass 247 tokens original MIT

William-Lu-stack/Flawless

Skill Claude CodeCodex

A guide for diagnosing network path problems by checking end-to-end probes, the route through intermediate devices, or the current routing state.

not rated 766 +3 2mo ago A 0 tokens

codanna-toolset

115

bartolli/codanna

Plugin Claude Code

Bundles 2 skills · 156 tokens together

Codanna toolset for Claude Code: x-ray (semantic search + relationship traversal with 3D neighbourhood, radial tree and edge-bundle views) and graph (the whole index as a module disc with hubs at the centre, timeline and heatmap). Needs the codanna CLI.

not rated 760 +3 26d ago A tokens not measured original Apache-2.0

adk-studio

116

zavora-ai/adk-rust

Skill Codex

Build, debug, and validate ADK Studio projects and generated Rust workflows. Use when working on adk-studio schemas, action nodes, code generation, graph runner behavior, or studio deployment readiness.

not rated 742 +11 5d ago A 45 tokens

cocoreview

117

Snowflake-Labs/cocoplus

Skill Claude Code

CocoReview — structured code review with six-severity findings vocabulary, progressive disclosure architecture, and universal anti-pattern baseline. Invoked via $review [file] [--complexity] [--security] [--architecture] [--language ].

not rated 727 changed 1mo ago A 57 tokens original MIT

cnsplots

118

faridrashidi/cnsplots

Skill Codex

Create, revise, and troubleshoot publication-ready scientific plots in Python with cnsplots, including distribution, regression, heatmap, genomics, survival, set, flow, and multi-panel figures. Use when a user asks for cnsplots code, Cell/Nature/Science-style visualization, precise physical figure dimensions…

not rated 724 +6 changed 2mo ago A SkillSpector: pass 79 tokens original BSD-3-Clause

buzzer-re/Rikugan

Skill Claude CodeCodex

Write and execute Binary Ninja Python scripts — full API reference included.

not rated 706 +3 2d ago A SkillSpector: pass 17 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: