Developer Tools plugins

A curated bundle of super useful Codex skills. when working in software engineering

14 skills · 1 MCP server · hooks

Learning-first development: you design and write the code; Claude hints, reviews, quizzes and explains.

16 skills

Embedded development, repository governance, and Codex lifecycle workflows.

15 skills · hooks

Risk-proportional workflow skills for Claude Code

14 skills · hooks

Core skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques

14 skills · hooks

KeyProd agents for the development workflow

15 skills

Session journals, rolling todo punch list, autonomous-round cadence, six-phase feature checklist, and a review phase. Pairs with Strata for structured proposals.

8 skills · 4 commands · 3 agents

Embedded development, repository governance, and Codex lifecycle workflows.

14 skills · hooks

Repo-local Codex plugin for research, analysis, product direction, and terms checks.

15 skills

Create a new git branch and worktree from context. Use when starting work on a task — given a freetext description, auto-selects branch prefix (feature/bugfix/experiment) based on context, creates branch, and sets up worktree. Triggers on 'create worktree', 'new branch for', 'start work on'.

15 skills

Clean up stale git branches by identifying and removing local branches tracking deleted remotes, branches with completed/abandoned PRs, and stale branches. Includes worktree management. Use when the user says 'clean up branches', 'branch cleanup', 'prune branches', 'delete old branches', or 'remove stale branches'.

15 skills

Guide users through creating Agent Skills for Claude Code. Use when the user wants to create, write, author, or design a new Skill, or needs help with SKILL.md files, frontmatter, or skill structure.

15 skills

Shared agent setup and reproducible development tooling for hackathon teams. Codex project surfaces and pinned toolchain.

15 skills

Stable AI workflow skills for planning, slicing, implementation, two-axis review, repair, Jira sync, PR bodies as the engineer handoff, and publishing.

14 skills

CLI-first skills for TanStack Start applications on Cloudflare Workers with Mantine, Drizzle D1, Better Auth, Lingui, and structured observability.

14 skills

Appwrite tools for Codex, including SDK skills, the hosted Appwrite MCP server, and deployment workflow skills.

13 skills · 1 MCP server

Автономный SDLC Codex: ry-init/start/review/repair/deploy, hooks и sync. EN: SDLC workflow.

14 skills

Columbus workflow with a fast indexed memory system, reusable skills, agents, and hooks.

12 skills · hooks

Portable workflow harness layer: change classification, single-session feature loop, questions page, and review agents.

13 skills

Tricritical: independently planned intent, runtime, and structure critics, adjudication, authority-gated revision, and one fixed-point loop.

7 skills · 6 agents

Expert-routed software engineering workflow: a lead engineer selects the smallest useful expert panel, maps repo contracts and risk, gates decisions with evidence, verifies changes, and preserves reusable repo knowledge.

1 skill · 11 agents

Devolens (formerly Cryptolens) licensing skills for .NET, Java, Python, and cross-SDK shared rules. Installs twelve skills in one bundle: cryptolens-sdk-common, cryptolens-dotnet, cryptolens-java, cryptolens-python, license-offline, license-key-verification, license-floating, license-trials, license-feature-gates, license-subscriptions, license-key-generation, license-payment-automation.

12 skills

Mergecraft: GitHub repository configuration, Issue–PR relations, pull-request authoring, publication, Graphite transport, feedback, readiness, merge, and stack repair.

12 skills

NDA team skills for Codex across our Java, Python, and Angular repos.

11 skills · hooks

Build, design, and manage WordPress sites with WordPress Studio: create local sites with Studio's design workflow, preview them, and publish to WordPress.com.

11 skills · 1 MCP server

Seven Mzizi agent skills (@nyuchi/mzizi-skills 0.20.0, with mukoko-design), /mzizi:component and /mzizi:scaffold, the fundi agent, and the Mzizi MCP at mcp.mzizi.dev, free with no account. Markdown and an MCP connection only.

7 skills · 2 commands · 1 agent · 1 MCP server

Itixo library for Claude users: agents, skills, rules, prompts. Orchestration module included (delegation to sonnet/haiku subagents). Recommended companions: the caveman marketplace (https://github.com/JuliusBrussee/caveman) and Mattpocock Skills (https://github.com/mattpocock/skills).

1 skill · 9 agents · hooks

Coding-agent environments, communication, and change orchestration: /operate-prowl, /operate-herdr, /operate-agent-mail, /message-agents, /recover-prowl-agents, /orchestrate-change

11 skills

Go engineering: /author-go-test, /author-go-code, /audit-go-code, /audit-go-test, /audit-go-architecture, /author-go-architecture, /simplify-go-code

11 skills

Justin's own skills: agents, brain, debug, estimate, meeting, merge, migrate, naming, remote, skills, status.

11 skills