Eir Summary

Q: What is a Claude Code skill and how does the Eir Summary 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. Eir Summary is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: security-misc · Last updated: 2026-06-06

type:review

Produces legally focused summaries of California Environmental Impact Reports (EIRs) under CEQA and federal Environmental Impact Statements (EISs) under NEPA. Extracts impacts, mitigation, alternatives, and compliance vulnerabilities. Reflects the 2025 CEQA reforms (AB 130 + SB 131) and the April 2025 rescission of CEQ NEPA implementing regulations. Triggers on requests for EIR/EIS summary, CEQA/NEPA review, mitigation analysis, alternatives analysis, cumulative impacts review, permit challenge prep, or administrative record review.

About this skill (catalog notes)

Eir Summary includes a dedicated installation section; pricing or quota commentary. At roughly 1,546 words the SKILL.md is on the longer end of the catalog distribution.

License: Apache-2.0
Original author: CaseMark
Indexed lastmod: 2026-06-06
Catalog position: Security · security-misc
Indexed related skills: 10

How Eir Summary fits the catalog

Eir Summary sits in the Security category under the security-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.

From the source SKILL.md

Condense EIR (CEQA) or EIS (NEPA) technical findings into a legally actionable summary with record citations.

What this skill does

Eir Summary is a community-contributed Claude Code skill in the security-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/eir-summary/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Eir Summary Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 93,000+ 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/eir-summary
curl -L https://claudskills.com/skills/eir-summary/SKILL.md \
  -o ~/.claude/skills/eir-summary/SKILL.md

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

Skills live at ~/.claude/skills/eir-summary/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\eir-summary\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 Eir Summary Claude Code skill?

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

What does the Eir Summary 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 Eir Summary skill?

Use Eir Summary when your Claude Code task falls under the Security category — specifically in the security 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 Eir Summary" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Eir Summary 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. Eir Summary is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/ThomasMoreAI/legal-skills-open/blob/HEAD/us/environmental/skills/eir-summary/SKILL.md
License: Apache-2.0
Author: CaseMark

Cite this skill

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

APA

CaseMark. (2026). Eir Summary [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/eir-summary/

BibTeX

@misc{eir-summary-2026,
  author    = {CaseMark},
  title     = {Eir Summary [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/eir-summary/}
}

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