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dev-kit

v0.3.350

AI-native dev harness: 13 categories, 0-arg commands, A2A typed, Eval-Repair, Human-on-the-Loop.

CodexClaude Code50 Skills

By sangheeLicense: MIT1 GitHub starsUpdated yesterday

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Runtimes
Codex and Claude Code
Parsed components
50 skill or MCP entries
Source updated
Sep 23, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology

Install dev-kit for Codex and Claude Code

Installs for the current user
codex plugin marketplace add IchenDEV/agent-plugin-mkt
codex plugin marketplace upgrade agent-plugin-marketplace
codex plugin add dev-kit@agent-plugin-marketplace

Paste and run these commands in a terminal with Codex. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/sh-ai-x/dev-harness-kit

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The repository root is the plugin root.

Plugin files

dev-kit/
├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
├── skills/babysit-pr/SKILL.md
├── skills/babysit-pr-local/SKILL.md
├── skills/bootstrap/SKILL.md
├── skills/build/SKILL.md
├── skills/build-debug/SKILL.md
├── skills/bump/SKILL.md
├── skills/ci-doctor/SKILL.md
├── skills/ci-setup/SKILL.md
├── skills/ci-triage/SKILL.md
├── skills/ci-update/SKILL.md
├── skills/code-viz/SKILL.md
├── skills/codex-cache-update/SKILL.md
├── skills/config/SKILL.md
├── skills/cost-gate/SKILL.md
├── skills/docs-maintenance/SKILL.md
├── skills/evaluate/SKILL.md
├── skills/evidence-plan/SKILL.md
├── skills/gate-artifacts/SKILL.md
├── skills/gate-select/SKILL.md
├── skills/guard-mode/SKILL.md
├── skills/harness-effectiveness/SKILL.md
├── skills/harness-mode/SKILL.md
├── skills/hook-doctor/SKILL.md
├── skills/inspect/SKILL.md
├── skills/interview/SKILL.md
├── skills/linear/SKILL.md
├── skills/llm-refresh/SKILL.md
├── skills/log/SKILL.md
├── skills/mode/SKILL.md
├── skills/plan/SKILL.md
├── skills/pr-verify/SKILL.md
├── skills/proposal/SKILL.md
├── skills/proposal-orch-issue-pr/SKILL.md
├── skills/prune/SKILL.md
├── skills/prune-propose/SKILL.md
├── skills/ralph/SKILL.md
├── skills/refactor/SKILL.md
├── skills/research/SKILL.md
├── skills/review/SKILL.md
├── skills/review-local/SKILL.md
├── skills/security/SKILL.md
├── skills/security-metrics/SKILL.md
├── skills/ship/SKILL.md
├── skills/skill-usage/SKILL.md
├── skills/sot-harness-writer/SKILL.md
├── skills/status/SKILL.md
├── skills/sync-version/SKILL.md
├── skills/team/SKILL.md
├── skills/token-analyzer/SKILL.md
└── skills/worktree-prune/SKILL.md

Included Skills50

babysit-prskills/babysit-pr/SKILL.md

0-arg restart-safe PR check, diagnose, fix, and hand-off loop.

babysit-pr-localskills/babysit-pr-local/SKILL.md

0-arg local-mode PR babysitter. Pre-push pytest gate + local LLM judge verdict loop; replaces `gh pr checks --watch` with `bin/review-local.sh`.

bootstrapskills/bootstrap/SKILL.md

0-arg setup for CLAUDE.md, AGENTS.md, hooks, and optional CI.

buildskills/build/SKILL.md

0-arg. Per-step sub-agent delegation + self-fix loop (MUST-36~38). Uses harness-runner engine. TDD + verify + debug integrated.

build-debugskills/build-debug/SKILL.md

4-phase systematic debugging. No fix proposal before Phase 1 (reproduce) completes (MUST-L2). Root-cause-first Iron Law. Standalone invocation hands the root cause to /dev-kit:plan instead of fixing inline.

bumpskills/bump/SKILL.md

Explicit version bump of `.claude-plugin/plugin.json` + push of `chore/bump-vX.Y.Z`. Mirrors the auto-bump in `.github/workflows/version-bump.yml` but user-triggered for race recovery and pre-PR explicit bumps. For catching a branch up to origin/main (==, not +1) use `/dev-kit:sync-version` instead.

ci-doctorskills/ci-doctor/SKILL.md

Read-only CI readiness audit. Prints one PASS/FAIL summary across files, marker, provider file, secrets, and gh auth. Hand-off answer to "would CI succeed on my next PR?"

ci-setupskills/ci-setup/SKILL.md

Install dev-kit's reusable CI workflow templates into a target project. Idempotent via `.dev-kit/ci-config.json` presence, no version gate. Hand-off to /dev-kit:build.

ci-triageskills/ci-triage/SKILL.md

Triage failing GitHub Actions runs across recent commits, dedupe against a persisted case store, judge new failures against a model/context/harness taxonomy with a required repro + regression test, and record them without re-analyzing repeats.

ci-updateskills/ci-update/SKILL.md

Detect + selectively apply drift between installed CI templates and current dev-kit source. 4-state per-file classification with backup-before-overwrite.

code-vizskills/code-viz/SKILL.md

0-arg generic plugin-architecture visualizer. Walks any target repo, emits self-contained HTML with multi-level views (architecture / code / skill / hook / tools-lib / external) + domain pillar map (DB · Cloud · API · MCP · Skill · Hook · Network · Security · Build · Test · Storage · LLM) + per-skill workflows (multi-strategy extraction incl.

codex-cache-updateskills/codex-cache-update/SKILL.md

Refresh the dev-kit Codex marketplace checkout and synchronize the versioned plugin cache. Use when Codex reports the marketplace is current but the installed cache may be stale, or after a dev-kit merge.

configskills/config/SKILL.md

skill + hook + methodology picker (multiSelect).

cost-gateskills/cost-gate/SKILL.md

0-arg cost-gate status. Prints current session spend, threshold distance, and a two-line git-trailer block to include in commits so the PR-level cost flag can aggregate.

docs-maintenanceskills/docs-maintenance/SKILL.md

Audit repository documentation with the project README as the highest-priority document. The README is always audited AND verified every run, and updated when needed.

evaluateskills/evaluate/SKILL.md

0-arg eval extension. Replays transcripts and consumes workflow evidence against registered rubrics, preserving legacy Agent Behavior D1–D7 and reporting five harness-effectiveness components plus the nested measurement-integrity submetric (issue

evidence-planskills/evidence-plan/SKILL.md

Idea → cited research → HTML proposal (human confirms) → /dev-kit:plan hand-off. The proposal is rendered and reviewed BEFORE the expensive 5-gate PRD work runs, not after.

gate-artifactsskills/gate-artifacts/SKILL.md

Create or delete managed GitHub Actions gate artifacts backed by gates.json.

gate-selectskills/gate-select/SKILL.md

Unified 3-dimension picker for project / session / AI-judge gates. Reads .dev-kit/gates.json + .dev-kit/ci-config.json + .dev-kit/harness-mode.session.json and dispatches writes through `python -m lib.gates_state ...`.

guard-modeskills/guard-mode/SKILL.md

Session-scoped on/off toggle for the tdd-guard, worktree-guard, and git-guard hard-block hooks.

harness-effectivenessskills/harness-effectiveness/SKILL.md

0-arg harness-effectiveness report. Wraps `lib.harness_effectiveness.build_report` and prints the five-component (prevention / first-pass / recovery / learning / measurement-integrity) scorecard as JSON + a one-line status verdict. The measurement-integrity component also reports a nested stability submetric (issue

harness-modeskills/harness-mode/SKILL.md

Session-scoped local-hook mode picker — fast (all optional local hooks off), full (default, all on), or custom (interactive per-local-hook picker via AskUserQuestion).

hook-doctorskills/hook-doctor/SKILL.md

Diagnose failed Claude Code or Codex hooks, repair safe cache and registration drift, and report the exact restart step.

inspectskills/inspect/SKILL.md

0-arg read-only code health audit. 8-dim fan-out (dead, dup, smell, overeng, overarch, cleancode, tokenbudget, slop) + --secrets/--slop aliases to the audit family (lib/analysis_core/dimensions.py).

interviewskills/interview/SKILL.md

5-field safety-contract interview that gates plan emission. Drives `lib.interview_engine` through one Ralph loop, enforces `safety_valve=8`, `narrowed_delta`, `dedup_metric` (identical-ambiguity-cycle=2), and `user_interrupt`.

linearskills/linear/SKILL.md

Optional Linear task tracker. Reconcile the current repository task with a canonical project and non-duplicate issue. Auto-syncs on every Claude Code edit when configured. Owner-gated auto-triggers also fire on worktree create, session start, and task change.

llm-refreshskills/llm-refresh/SKILL.md

Refresh docs/llm-info/<provider>.json from each vendor's official pricing page via WebFetch extraction. Diff-then-commit; manual like set-provider.sh.

logskills/log/SKILL.md

Toggle /log setup|on|off|status — install/remove loghooks from ~/dev/loghooks into the current project's Claude/Codex settings.

modeskills/mode/SKILL.md

Read or write the active DEV_KIT_MODE (full | lite | undev) for the current project. Picker by default; --show to display current mode; --scope=local to write to .claude/settings.local.json instead of .claude/settings.json.

planskills/plan/SKILL.md

0-arg plan stage. Take 1-line idea → PRD.md + phases/<name>/{index.json, step<N>.md} in 5 gates. Quantified value (cost/LTV) + ambiguity loop (0-10) replace the old 5-question grill-me.

pr-verifyskills/pr-verify/SKILL.md

Deterministic PR verification — fresh `gh pr view` + check + comment fetches on every call. Catches the "stale CI / LLM-judge still in progress" false positive the babysit flow had.

proposalskills/proposal/SKILL.md

0-arg YAML-to-HTML renderer for reviewable design proposals.

proposal-orch-issue-prskills/proposal-orch-issue-pr/SKILL.md

0-arg orchestrator-first GitHub backlog triage. Gathers open PRs + issues, scores (bottleneck / risk / change containment), orders by orchestrator critical path, and writes a proposal YAML + HTML via the existing `/dev-kit:proposal` renderer.

pruneskills/prune/SKILL.md

0-arg slop-removal chain. One slash wraps inspect → 3-pass delete sweep → review. Gated phases for deleting AI slop and dead features (not refactoring).

prune-proposeskills/prune-propose/SKILL.md

0-arg skill — usage telemetry dump + per-skill delete proposal. User approves each deletion explicitly.

ralphskills/ralph/SKILL.md

End-to-end autonomous loop with 4 user gates + unattended build/babysit/ship.

refactorskills/refactor/SKILL.md

0-arg cleanup chain. One slash wraps inspect -> cleanup -> review. 3 gated phases with quoted exit codes between each.

researchskills/research/SKILL.md

0-arg research gate. Run Phase 0-3 escalation (cache / direct / multi / human) + verify() + enforce_citations(). /dev-kit:research <claim> [--max-phase N].

reviewskills/review/SKILL.md

Parallel multi-dimension code review with a false-positive filter. Fans out to per-dim experts (correctness, security, architecture) that run in parallel and return evidence-backed findings; a verifier pass confirms/rejects each candidate before rendering per-line inline comments plus a PR-style summary with a verdict.

review-localskills/review-local/SKILL.md

Local equivalent of the GH-Actions review workflow. Runs /dev-kit:review + /dev-kit:security + /dev-kit:maintenance (via local `claude` CLI) with the same verdict extraction + combined gate + L3-evidence enforcement + optional auto-approve as `.github/workflows/review.yml`. Saves Action minutes when private repos hit the GH-Actions budget cap.

securityskills/security/SKILL.md

Security fan-out — OWASP Top 10 2025 (A01–A10) plus a separate LLM01 Prompt Injection dimension. Eleven parallel subagents, one per category, return evidence-backed findings; a verification pass confirms or rejects each before a per-category breakdown table + verdict.

security-metricsskills/security-metrics/SKILL.md

Calculate a deterministic 0-100 security scorecard for the current repository and render an evidence-backed Markdown table for OWASP Top 10 categories.

shipskills/ship/SKILL.md

0-arg. Release tag emit. Gate check only (hooks auto). Requires Review verdict=Approve + main-block pass.

skill-usageskills/skill-usage/SKILL.md

Run the skill usage telemetry CLI and inspect turns, invocations, and per-project usage.

sot-harness-writerskills/sot-harness-writer/SKILL.md

Interview-based Single Source of Truth harness document writer (5 rounds × 2-3 evidence-backed recommendations, full traceability, hands off to /dev-kit:plan).

statusskills/status/SKILL.md

HOTL visualization. Current loop progress + cumulative cycles + hand-off chain + eval score on one screen.

sync-versionskills/sync-version/SKILL.md

DEPRECATED. The GitHub Merge Queue now owns version sync at merge time; this skill is a no-op wrapper around bin/sync-version.sh that preserves the CLI surface for callers that haven't migrated yet. See docs/proposals/release/plugin-version-bump-via-merge-queue.yaml.

teamskills/team/SKILL.md

Read or write the team collaboration toggle (DEV_KIT_TEAM on|off). Default OFF, independent of DEV_KIT_MODE. When ON, team roles/dependency-aware planning is enabled and .dev-kit/ stays tracked in git.

token-analyzerskills/token-analyzer/SKILL.md

0-arg token-efficiency dashboard. Runs tools/token_efficiency_analyzer.py over logs/{claude-code,codex}/*.jsonl to produce an HTML report (+ lazy per-worktree transcript sidecars) -- 4-dim session scoring, 6 anti-pattern warnings, USD savings estimate.

worktree-pruneskills/worktree-prune/SKILL.md

0-arg interactive prune of stale worktrees. Counts registered worktrees, lists them oldest-first by branch-tip age, asks how many to remove, then dispatches `bin/worktree-remove-safe.sh` per row after a y/N gate.

Plugin manifests2

.codex-plugin/plugin.json
{
  "name": "dev-kit",
  "version": "0.3.350",
  "description": "AI-native dev harness: 13 categories, 0-arg commands, A2A typed, Eval-Repair, Human-on-the-Loop.",
  "author": {
    "name": "sanghee",
    "url": "https://github.com/sanghee"
  },
  "homepage": "https://github.com/sh-ai-x/dev-harness-kit",
  "repository": "https://github.com/sh-ai-x/dev-harness-kit",
  "license": "MIT",
  "keywords": [
    "ai-native",
    "tdd",
    "sdd",
    "planning",
    "review",
    "ax",
    "harness"
  ],
  "hooks": "./.codex-plugin/hooks/hooks.json",
  "skills": "./skills/",
  "agents": "./agents/",
  "interface": {
    "displayName": "Dev Harness Kit",
    "shortDescription": "Skills for planning, TDD build, review, security, and release workflows",
    "longDescription": "Use dev-kit to run bootstrap, plan, build, review, security, audit, and ship stages through a single skill set shared with Claude Code.",
    "developerName": "sanghee",
    "category": "Developer Tools",
    "websiteURL": "https://github.com/sh-ai-x/dev-harness-kit",
    "privacyPolicyURL": "https://github.com/sh-ai-x/dev-harness-kit/security/policy",
    "termsOfServiceURL": "https://github.com/sh-ai-x/dev-harness-kit/blob/main/LICENSE",
    "composerIcon": "./assets/plugin-icon.svg",
    "logo": "./assets/plugin-icon.svg",
    "screenshots": [
      "./assets/plugin-screenshot.svg"
    ],
    "capabilities": [
      "Interactive",
      "Read",
      "Write"
    ]
  }
}
.claude-plugin/plugin.json
{
  "$schema": "https://json.schemastore.org/claude-code-plugin-manifest.json",
  "name": "dev-kit",
  "displayName": "Dev Harness Kit",
  "version": "0.3.350",
  "description": "Enforcement-first dev harness: deterministic hooks, state-machine stages, TDD-gated builds, per-step sub-agent delegation, Eval-Repair loop",
  "author": {
    "name": "sanghee",
    "url": "https://github.com/sanghee"
  },
  "owner": "sh-ai-x",
  "repository": "https://github.com/sh-ai-x/dev-harness-kit",
  "license": "MIT",
  "keywords": [
    "ai-native",
    "tdd",
    "sdd",
    "planning",
    "review",
    "ax",
    "harness"
  ],
  "skills": "./skills/"
}

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[dev-kit on Agent Plugins Marketplace](https://pluginsmp.com/plugins/dev-kit)