howells/arc

Agent workflow plugin for Claude Code and Codex that takes projects from idea to reviewed, tested implementation.

25Stars on the repository
28Mods indexed here, across every type
18d agoLast push, which is what freshness is scored on
MITLicence, which decides whether bodies are shown

audit

01

howells/arc

Skill Claude CodeCodex

Comprehensive codebase audit with verification and specialized reviewers. Generates actionable reports. Use when asked to "audit the codebase", "review code quality", "check for issues", "security review", or "performance audit". By default, run the complete audit: mechanical checks first, then specialist reviewers…

25 18d ago A 69 tokens original MIT

commit

02

howells/arc

Skill Claude CodeCodex

Smart commit, push, and npm publish with auto-splitting across domains. Creates atomic commits. Use when asked to "commit", "push changes", "publish", "save my work", or after completing implementation work. Automatically groups changes into logical commits.

25 18d ago A 55 tokens original MIT

detail

03

howells/arc

Skill Claude CodeCodex

Internal plan writer. Produces risk-proportional implementation plans with agreed seams, coherent slices, work-kind evidence, exact paths, and durable lifecycle metadata.

25 18d ago A 34 tokens original MIT

ideate

04

howells/arc

Skill Claude CodeCodex

Turn ideas into validated feature specs through collaborative dialogue with built-in expert review. Use when asked to "design a feature", "plan an approach", "think through implementation", or when starting new work that needs product and technical shaping before coding.

25 18d ago A 51 tokens original MIT

implement

05

howells/arc

Skill Claude CodeCodex

Risk-proportional implementation workflow with coherent slice ownership, work-kind evidence, durable resumption, whole-implementation review, and one fresh closeout gate. Use when asked to implement, build, execute a plan, or continue from an Arc feature spec.

25 18d ago A 54 tokens original MIT

improve

06

howells/arc

Skill Claude CodeCodex

Turn findings into a vetted, prioritized backlog of executable implementation plans, and keep that backlog alive across sessions. Use when asked to "build an improvement backlog", "plan the audit findings", "what should we improve", "turn these findings into plans", "reconcile the plans", or "what's left in the…

25 18d ago A 85 tokens original MIT

launch

07

howells/arc

Skill Claude CodeCodex

Go-live and shareability checklist covering the basics needed to make a project visitable, shareable, and ready for a first real audience. Use when asked to "launch", "go live", "make this shareable", "get this ready to show people", or prepare a project for a public URL.

25 18d ago A 64 tokens original MIT

refactor

08

howells/arc

Skill Claude CodeCodex

Discover architectural friction and propose structural refactors with competing interface options. Focuses on deepening shallow modules, extracting grouped concerns into packages/modules, breaking up god files, reducing duplication, and improving testability. Use when asked to "improve the architecture", "find…

25 18d ago A 97 tokens original MIT

release

09

howells/arc

Skill Claude CodeCodex

Versioned releases of npm packages: semver bumps, changelogs, and multi-package releases for single-package repos and pnpm workspaces with changesets. Use when asked to "cut a release", "bump the version", "release the packages", "publish a new version", "run changesets", or "ship a versioned package".

25 18d ago A 75 tokens original MIT

review

10

howells/arc

Skill Claude CodeCodex

Run expert review on a plan, spec, or implementation approach with parallel reviewer agents. Presents findings as Socratic questions. Use when asked to "review the plan", "check this approach", or before implementation to validate architectural decisions. Optional argument: reviewer name (e.g., /arc:review…

25 18d ago A 68 tokens original MIT

testing

11

howells/arc

Skill Claude CodeCodex

Characterization testing and safety-net backfill for existing code. Use when legacy, under-tested, or risky code needs tests before a refactor, bug fix, or behavior change. Captures current behavior through public interfaces, identifies coverage gaps, and adds focused unit, integration, or E2E tests without replacing…

25 18d ago A 70 tokens original MIT

using-arc

12

howells/arc

Skill Claude CodeCodex

Use when starting any conversation - establishes Arc's skill routing, instruction priority, and bootstrap rules.

25 18d ago A 22 tokens original MIT

vision

13

howells/arc

Skill Claude CodeCodex

Create or maintain a project's root CONTEXT.md — goals, product boundary, non-goals, decision principles, and a domain language glossary. Use when starting a new project, clarifying product direction, aligning a codebase for future agent work, defining a north star, pinning down domain terminology, or turning a vague…

25 18d ago A 76 tokens original MIT