Tachi Threat Reporting

Q: What is a Claude Code skill and how does the Tachi Threat Reporting 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. Tachi Threat Reporting 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: 2026-05-21

Domain knowledge for narrative threat report generation — executive summary structure, architecture overview patterns, per-category narrative templates, attack tree construction rules with Mermaid syntax, and reference attack tree examples. Consumed by the threat-report agent during report generation.

From the source SKILL.md

Narrative threat report domain knowledge extracted from the tachi threat-report agent. This skill provides the templates, construction rules, and reference examples that the threat-report agent uses to transform structured threat model output into comprehensive narrative reports with Mermaid attack trees.

What this skill does

Tachi Threat Reporting 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/tachi-threat-reporting/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Tachi Threat Reporting 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 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/tachi-threat-reporting
curl -L https://claudskills.com/skills/tachi-threat-reporting/SKILL.md \
  -o ~/.claude/skills/tachi-threat-reporting/SKILL.md

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

Skills live at ~/.claude/skills/tachi-threat-reporting/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\tachi-threat-reporting\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 Tachi Threat Reporting Claude Code skill?

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

What does the Tachi Threat Reporting 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 Tachi Threat Reporting skill?

Use Tachi Threat Reporting 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 Tachi Threat Reporting" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Tachi Threat Reporting 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. Tachi Threat Reporting 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/davidmatousek/tachi/blob/HEAD/.claude/skills/tachi-threat-reporting/SKILL.md
Author: davidmatousek

Cite this skill

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

APA

davidmatousek. (2026). Tachi Threat Reporting [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/tachi-threat-reporting/

BibTeX

@misc{tachi-threat-reporting-2026,
  author    = {davidmatousek},
  title     = {Tachi Threat Reporting [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/tachi-threat-reporting/}
}

Embed this skill

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Badge

[![ClaudSkills](https://claudskills.com/badge/tachi-threat-reporting.svg)](https://claudskills.com/skills/tachi-threat-reporting/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

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