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.
npx skills add JamalMohafil/claude-skills --skill agent-starter-kitgit clone --depth 1 https://github.com/JamalMohafil/claude-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/jamalmohafil/claude-skills/agent-starter-kit)<a href="https://agentmods.dev/skills/jamalmohafil/claude-skills/agent-starter-kit"><img src="https://agentmods.dev/badge/skills/jamalmohafil/claude-skills/agent-starter-kit/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/jamalmohafil/claude-skills/agent-starter-kit"><img src="https://agentmods.dev/badge/skills/jamalmohafil/claude-skills/agent-starter-kit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 2 findings, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium MCP Rug Pull · line 16 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 60 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00121 | $0.00864 |
| Opus 5 | $0.00060 | $0.00432 |
| Sonnet 5 | $0.00024 | $0.00173 |
| Haiku 4.5 | $0.00012 | $0.00086 |
Grade A, and why
agent-starter-kit 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 11d 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.
How it starts
The opening of the file, as written. The whole thing — 64 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Agent Starter Kit
The skills, plugins, and MCP servers worth installing the moment you open a new agent — bundled into one install. Instead of hunting them down one by one, run the installer and the agent starts with real capabilities: it can find and install more skills on demand, drive a browser, reason with guardrails, design clean UI (Arabic included), review its own code, and automate the browser + GitHub.
What it installs
Tier 1 — Skills (work on 70+ agents via npx skills: Claude Code, Codex, Cursor, …):
| Skill | What it gives the agent |
|---|---|
find-skills |
Discovers and installs any other skill on demand — the meta-skill |
agent-browser |
A real browser the agent controls itself (open, click, fill, verify) |
karpathy-guidelines |
Behavior rules: no silent assumptions, minimal solutions, verify before acting |
ui-ux-pro-max |
Design-system intelligence — styles, color palettes, font pairings |
caveman |
Blunt, no-fluff answers when you want signal over politeness |
arabic-design |
Clean Arabic in AI-generated designs (fixes the letter-spacing/RTL traps) |
Tier 2 — Plugins / MCPs (Claude Code only):
| Plugin / MCP | What it gives Claude Code |
|---|---|
frontend-design |
Anthropic's design guidance for polished, non-generic UI |
superpowers |
TDD + subagent orchestration workflow (brainstorm → design → build → review) |
code-review |
/code-review on any branch/PR — scored, actionable review |
playwright (MCP) |
Browser automation & end-to-end testing |
github (MCP) |
Read/manage GitHub repos, PRs, and issues from the agent |
claude-md-management |
Keeps your CLAUDE.md files organized and current |
How to run it
From the skill directory:
bash install.sh # Claude Code — installs everything
bash install.sh --agent cursor # Cursor — installs the Tier 1 skills
bash install.sh --agent codex # Codex — installs the Tier 1 skills
bash install.sh --agent '*' # every detected agent
bash install.sh --skills-only # skip the Claude-Code-only plugins/MCPs
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 11d ago First seen · 64 lines · 121 tokens per session scan A 2a5950dd7e2e
agent-starter-kit is a skill published in the GitHub repository JamalMohafil/claude-skills (25 stars, last pushed 4d ago), licensed MIT. It adds 121 tokens to every session and 864 once invoked, about $0.0006 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 2026-08-30.
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