Lean Gateway

Q: What is a Claude Code skill and how does the Lean Gateway skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Lean Gateway is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Product category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Product · Sub-category: product-misc · Last updated: 2026-05-30

USE FOR: routing the top-level entry-point for a complex Lean 4 task; selecting which downstream skill(s) own each phase; preventing context collapse across long sessions; maintaining feedback / feedforward loops; fan-in / fan-out coordination; system-wide health monitoring. DO NOT USE FOR: doing any actual work (always delegate to a domain skill); single-file editing (use @lean-proof or @lean-doc-improvement); script-level enforcement (use @lean-enforcement). TRIGGERS: gateway, orchestrate, route, dispatch, top-level, context collapse, fan-out, fan-in, ecosystem health.

About this skill (catalog notes)

Lean Gateway includes pricing or quota commentary. The SKILL.md runs to about 671 words, in the catalog's typical mid-range.

Source: github.com/r-irbe/proof-skills
License: Apache-2.0
Original author: r-irbe
Indexed lastmod: 2026-05-30
Catalog position: Product · product-misc
Indexed related skills: 10

How Lean Gateway fits the catalog

Lean Gateway sits in the Product category under the product-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Lean Gateway is a community-contributed Claude Code skill in the product-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/lean-gateway/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Lean Gateway Claude Code skill is built for product managers, product designers, and cross-functional teams planning, shipping, and measuring product features. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/lean-gateway
curl -L https://claudskills.com/skills/lean-gateway/SKILL.md \
  -o ~/.claude/skills/lean-gateway/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/lean-gateway/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/lean-gateway/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\lean-gateway\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Lean Gateway Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/lean-gateway/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Lean Gateway skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Lean Gateway skill?

Use Lean Gateway when your Claude Code task falls under the Product category — specifically in the product misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Lean Gateway" or describe the task and let Claude pick). Browse related skills at /category/product/.

What is a Claude Code skill and how does the Lean Gateway skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Lean Gateway is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Product category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/r-irbe/proof-skills/blob/HEAD/skills/lean-gateway/SKILL.md
License: Apache-2.0
Author: r-irbe
Website: https://github.com/r-irbe/proof-skills

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

r-irbe. (2026). Lean Gateway [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/lean-gateway/

BibTeX

@misc{lean-gateway-2026,
  author    = {r-irbe},
  title     = {Lean Gateway [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/lean-gateway/}
}

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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