The best debugging mods

obra/superpowers

Skill Claude CodeCodex

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

openai/codex

Skill Claude CodeCodex

Babysit a GitHub pull request after creation by continuously polling review comments, CI checks/workflow runs, and mergeability state until the PR is merged/closed or user help is required. Diagnose failures, retry likely flaky failures up to 3 times, auto-fix/push branch-related issues when appropriate, and keep…

supabase/supabase

Skill Claude CodeCodex

Use whenever code will build, return, fetch, or execute SQL that runs against a user's real Postgres database — even when the request reads like an ordinary feature or bug fix and never says "security," "injection," or "SafeSqlFragment." This covers: writing or editing any pg-meta function, query builder, or endpoint…

microsoft/playwright

Skill Claude CodeCodex

Automate browser interactions, test web pages and work with Playwright tests.

mui/material-ui

Skill Claude CodeCodex

Review the current diff for regressions, correctness bugs, tests, simplifications, and docs issues, scaling depth to a low/medium/high/xhigh/max effort level. Use ONLY when explicitly requested by name: the user runs /material-ui-review, writes $material-ui-review, or asks for "the Material UI review skill". Do NOT…

deepseek-ai/deepseek-harness

Skill Claude CodeCodex

Create, modify, debug, or extend dynamic Cordis Plugins, including Host Services and Events, Client Slot and theme UI, Package-private Client-to-Host calls, dynamic Tools, version updates, approval failures, and runtime diagnostics. Use this Skill to route a user request to the correct platform and Inspect Provider…

shadcn-ui/ui

Skill Claude CodeCodex

Manages shadcn components and projects — adding, searching, fixing, debugging, styling, and composing UI, including chat interfaces. Provides project context, component docs, and usage examples. Applies when working with shadcn/ui, component registries, presets, --preset codes, or any project with a components.json…

deepseek-ai/deepseek-harness

Skill Claude CodeCodex

Use when creating, changing, or validating a Cordis composition for this harness — writing or editing an agent preset, adding or removing a plugin row, deciding whether something belongs to the host composition or to one session, checking whether a preset you authored actually mounts, or diagnosing a row that mounted…

affaan-m/ECC

Agent

Expert code review specialist. Proactively reviews code for quality, security, and maintainability. Use immediately after writing or modifying code. MUST BE USED for all code changes.

Shubhamsaboo/awesome-llm-apps

Skill Claude CodeCodex

MANDATORY for ALL MCP server work - mcp-use framework best practices and patterns. READ THIS FIRST before any MCP server work, including: Creating new MCP servers Modifying existing MCP servers (adding/updating tools, resources, prompts, widgets) Debugging MCP server issues or errors Reviewing MCP server code for…

vercel-labs/agent-browser

Skill Claude CodeCodex

Systematically explore and test a web application to find bugs, UX issues, and other problems. Use when asked to "dogfood", "QA", "exploratory test", "find issues", "bug hunt", "test this app/site/platform", or review the quality of a web application. Produces a structured report with full reproduction evidence -…

electron/electron

Instructions file

Instructions for electron/electron, covering electron development guide, running nodemodules binaries, project overview, directory structure and build tools setup.

denoland/deno

Instructions file

Instructions for denoland/deno, covering deno development guide, git workflow, high level overview, key directories and quick start.

nexu-io/open-design

Skill Claude CodeCodex

One-click contribution flow for OpenDesign (nexu-io/open-design) — even for non-coders. Pick one of four cards (ship a Skill or Design System you made with OD; translate docs; fix a typo / write a blog; report a bug), the agent validates and opens a PR (or issue) for you. Trigger words contribute to open design, ship…

addyosmani/agent-skills

Skill Claude CodeCodex

Conducts multi-axis code review. Use before merging any change. Use when reviewing code written by yourself, another agent, or a human. Use when you need to assess code quality across multiple dimensions before it enters the main branch.