health

A diagnostic check for the devkit setup, including installed command-line tools, available agents, and ready-to-use skills.

In plain words
What is it for?
Use it to inspect devkit status, confirm available capabilities, or troubleshoot setup problems.
Why use it?
It shows which parts of the development-agent environment are working and helps identify missing or unusable dependencies.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/5uck1ess/devkit/health
Any agent
npx skills add 5uck1ess/devkit --skill health
Clone the repo
git clone --depth 1 https://github.com/5uck1ess/devkit

Made for: Claude Code, Codex.

Per session 99 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,248 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00099 $0.01248
Opus 5 $0.00049 $0.00624
Sonnet 5 $0.00020 $0.00250
Haiku 4.5 $0.00010 $0.00125

Measured 2d ago against content hash 89cc02b1c415, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

health scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/health/SKILL.md · 120 lines

How it starts

The opening of the file, as written. The whole thing — 120 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Devkit Status

Report on devkit installation health and available capabilities.

Checks

Plugins

Claude Code plugin checks:

echo "=== Plugin Status ==="
echo -n "codex plugin: " && (/codex:status >/dev/null 2>&1 && echo "installed" || echo "not installed")
echo -n "gemini plugin: " && (/gemini:status >/dev/null 2>&1 && echo "installed" || echo "not installed")

Under non-Claude hosts, report Claude plugin status as "not applicable" and check MCP config plus external CLIs instead.

Devkit Engine

Use the devkit_status tool to check workflow progress.

External CLIs

echo "=== CLI Status ==="
echo -n "codex: " && (command -v codex && codex --version 2>/dev/null || echo "not installed")
echo -n "gemini: " && (command -v gemini && gemini --version 2>/dev/null || echo "not installed")
echo -n "gh: " && (command -v gh && gh --version 2>/dev/null | head -1 || echo "not installed")
echo -n "rtk: " && (command -v rtk && rtk --version 2>/dev/null || echo "not installed (optional — 60-90% token savings)")
echo -n "gcli: " && (command -v gcli >/dev/null 2>&1 && echo "installed" || echo "not installed (optional — Google Workspace: Gmail, Calendar, Drive)")
echo -n "sg: " && (command -v sg >/dev/null 2>&1 && (sg --version 2>/dev/null || echo "installed") || echo "not installed (optional — AST-based repo mapping)")
echo ""
echo "=== RTK Status ==="
if command -v rtk >/dev/null 2>&1; then
  echo "installed: $(rtk --version 2>/dev/null)"
  echo "latest: check with 'brew outdated rtk' or 'rtk --version'"
  rtk gain 2>/dev/null | head -5 || echo "no session data yet"
else
  echo "not installed — install with: brew install rtk"
  echo "saves 60-90% tokens on Bash output (tests, git, ls, grep, etc.)"
fi

Local Runner

echo "=== Local Runner ==="
if [ "$DEVKIT_LOCAL_ENABLED" = "1" ]; then
  if command -v devkit-engine >/dev/null 2>&1; then
    devkit-engine probe-local 2>&1 || echo "probe failed — see output above"
  else
    echo "devkit-engine not in PATH — build with 'make build' from src/"
  fi
else
  echo "disabled (DEVKIT_LOCAL_ENABLED unset) — set to 1 to enable local inference"
fi

Read the full file on GitHub · 120 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 120 lines · 99 tokens per session scan A 89cc02b1c415

Subscribe to this mod's changes

health is a skill published in the GitHub repository 5uck1ess/devkit (5 stars, last pushed 13d ago), licensed MIT. It adds 99 tokens to every session and 1,248 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Related

Other skills, from other repositories