Skill Claude CodeCodex
Query Spot/preemptible VM prices, savings and interruption risk across AWS, GCP and Azure with the spotinfo CLI. Use this whenever the user asks which instance type is cheapest, what a Spot instance costs, what the interruption risk is, whether arm64 beats x8664 on price, how AWS/GCP/Azure Spot pricing compares, or…
Agent Claude Code
Strategic risk reviewer — delivers a verdict, ranked risks, and ordered next actions, no code changes. Use for go/no-go calls, risk triage, and escalation when stuck. Not for applying changes (engineer) or line-level code review (reviewer).
Agent Claude Code
Sole mutator role — applies and verifies code, test, doc, and infra changes. Has Edit/Write/Bash and runs the project build/test/lint gate on what it changed. Use for implement, fix, refactor, or apply tasks. Not for read-only review (reviewer) or risk advice (advisor).
Agent Claude Code
Read-only adversarial evaluator — reviews, audits, locates, or plans. Reads files, searches, and inspects diffs with available read-only tools; never modifies code or runs builds/tests. Use for code review, security audit, locating code, or planning. Not for applying changes (engineer) or strategic risk verdicts…
Agent Claude Code
Fast utility lane for simple bounded tasks on a cheaper model when available. Use proactively for file lookup, grep/glob searches, git status/log/show/diff, file reads, log summaries, and focused shell inspection. Not for code changes (engineer), adversarial review (reviewer), or strategic judgment (advisor).
Skill Claude CodeCodex
Brainstorm ideas and stress-test draft plans before coding. Use when brainstorming, exploring approaches, designing a feature/API/flow, grilling or debating a bounded plan, challenging assumptions, or resolving design-blocking terminology. NOT for implementation task breakdown. NOT for generic technology comparisons…
Skill Claude CodeCodex
Browser automation for rendered UI exploration, validation, screenshots, recordings, and end-to-end flows. Use when a task needs an actual browser or rendered DOM: inspect UI state, click/fill forms, debug frontend behavior, capture evidence, verify a feature, or run/generate browser tests. NOT for API checks or pure…
Skill Claude CodeCodex
Remove merged local branches and stale git worktrees. Use when the user says "cleanup branches", "prune worktrees", "tidy git", "remove merged branches", "delete merged branches", "gone branches", or wants to clean local git state. NOT for creating commits, creating worktrees, or configuring git hooks.
Skill Claude CodeCodex
Create normal git commits with logical grouping. Use when committing, saving changes, creating commits, or grouping work into commits. For drafting or editing commit messages without committing, use writing-style. NOT for amending, rebasing, force-pushing, or rewriting history.
Skill Claude CodeCodex
Configure safe git workflow hygiene: pre-commit/pre-push hooks, Gitleaks secret scanning, .gitignore rules, local git config, and guardrails. Use when setting up git hooks, gitleaks/git leaks, staged pre-commit checks, pre-push validation, core.hooksPath, .gitignore, or git config best practices. NOT for creating…
Skill Claude CodeCodex
Write, rewrite, or update project docs from implementation facts - README front pages, user guides, configuration references, architecture docs, evaluations, agent instructions, and code comments. Use when writing or improving project docs for clarity, concision, accuracy, or useful visuals, or when code changes make…
Skill Claude CodeCodex
Audit and improve AI coding-agent configuration. Use when reviewing or changing Claude Code, Pi, Codex, Copilot, Cursor, Grok, skill, agent, hook, MCP, permission, package, or generated-export setup. Default is review-only; fixes require explicit user approval or --fix. NOT for score-only instruction review or prompt…
Skill Claude CodeCodex
Fix code defects with a reproducible feedback loop, root-cause diagnosis, minimal patch, regression test, and clean verification. Use when debugging, diagnosing, or resolving lint/test/build failures. NOT for test-suite cleanup without a production bug (use improving-tests), or code review findings without fixes (use…
Skill Claude CodeCodex
Improve test design, speed, and coverage with behavior-focused tests, useful seams, characterization tests, TDD, and test refactoring. Use when improving tests, optimizing slow suites, adding coverage, refactoring brittle tests, removing test waste, or working test-first. NOT for fixing production bugs (use…
Skill Claude CodeCodex
Find exact, version-correct library/API/framework docs through one lookup workflow. Use when the user says "look up docs", "how to use", "API for", "syntax for", "examples of", "show me the docs", mentions "ctx7"/"Context7", passes a /org/project library ID, or needs API signatures, config keys, syntax, examples, or…
Skill Claude CodeCodex
Author, inspect, troubleshoot, review, and apply (after explicit confirmation) infrastructure across IaC, Kubernetes, cloud resources, containers, CI/CD, and Linux hosts. Use when changing Terraform/OpenTofu, Kubernetes, Helm, Kustomize, Dockerfiles, GitHub Actions workflow/job/permissions semantics, AWS, GCP, Cloud…
Skill Claude CodeCodex
Web research via platform web tools. Use for technical comparisons, current-state and release-behavior questions, recent facts, ecosystem news, best practices, standards, or questions needing grounded web evidence. NOT for exact API syntax, config keys, or code examples — use looking-up-docs for those. NOT for…
Skill Claude CodeCodex
Use when reviewing changed code, PRs, diffs, or specific files. Finds evidence-backed defects in security, correctness, tests, reliability, performance, maintainability, and docs. Supports quick, standard, deep, team, and external-review modes, plus a simplify mode for over-engineering and "what can we delete"…
Skill Claude CodeCodex
Use when asked to lint, audit, review, or score AI-facing instruction files such as SKILL.md, AGENT.md, AGENTS.md, CLAUDE.md, platform body.md files, prompt files, rules, policies, and agent-facing references. NOT for plugin manifests, application code review, harness configuration review, ordinary docs, tests, or…
Skill Claude CodeCodex
Use when planning, executing, checkpointing, finishing, or inspecting lightweight spec-driven work. Runs one task at a time using .spec/ markdown files and the bundled specctl helper. NOT for broad product discovery beyond a short requirement interview. NOT for generic implementation planning that does not read or…
Skill Claude CodeCodex
Creates and removes isolated git worktrees for parallel development. Use when starting feature work needing isolation, working on multiple branches simultaneously, or removing one specific worktree and its branch after its PR merges. NOT for simple branch switching, sweeping multiple stale worktrees or merged branches…
Skill Claude CodeCodex
Idiomatic C# /.NET development. Use when writing C# code, changing .csproj or .sln, or working on ASP.NET Core apps, libraries, CLIs, workers, and xUnit/NUnit/MSTest suites. Emphasizes nullable references, async/await, boundary validation, focused dotnet feedback, and minimal dependencies. NOT for Go, Python…
Skill Claude CodeCodex
Idiomatic Go development. Use when writing Go code, designing APIs, reviewing Go implementations, or changing Go tests. Follow the module's target Go version. Prefer stdlib, concrete types, explicit errors, goroutine ownership, fast feedback, and behavior tests. NOT for Python, Rust, TypeScript, shell scripts, or…
Skill Claude CodeCodex
Idiomatic modern Java and Kotlin JVM development. Use when writing .java, .kt, or .kts code; changing Gradle or Maven builds; or working on Spring, Micronaut, Quarkus, Ktor, Android JVM modules, JUnit, Mockito, Kotest, ktlint, detekt, or JVM CLI/services. Emphasizes JDK toolchains, null-safety, fast focused…
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: