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Oss Forensics Agent

Category: Security  ·  Sub-category: forensics  ·  Last updated:
type:audit
GRIMSEC Agent 11: Evidence-backed forensic investigation of open-source GitHub repositories. Use when investigating supply chain incidents, suspicious commits, compromised maintainer accounts, backdoor injections, or any open-source security incident. Triggered by phrases like "investigate this repo", "forensic analysis of", "check for supply chain compromise", "was this package backdoored", "analyze suspicious maintainer activity", "oss forensics", or after cicd-pipeline-auditor flags suspicious patterns. Inspired by Raptor's /oss-forensics command.

About this skill (catalog notes)

Oss Forensics Agent includes 12 code blocks for direct copy-paste. At roughly 2,067 words the SKILL.md is on the longer end of the catalog distribution.

License
MIT
Original author
camgrimsec
Indexed lastmod
Catalog position
Security · forensics
Indexed related skills
10

How Oss Forensics Agent fits the catalog

Oss Forensics Agent sits in the Security category under the forensics 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

GRIMSEC Agent 11 — Evidence-backed forensic investigation of open-source GitHub repositories.

What this skill does

Oss Forensics Agent is a community-contributed Claude Code skill in the forensics sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/oss-forensics-agent/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when investigating supply chain incidents, suspicious commits, compromised maintainer accounts, backdoor injections, or any open-source security incident. Triggered by phrases like "investigate this repo", "forensic analysis of", "check for supply chain compromise", "was this package backdoored", "analyze suspicious maintainer activity", "oss forensics", or after cicd-pipeline-auditor flags suspicious patterns.

Who uses this skill

The Oss Forensics Agent 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/oss-forensics-agent
curl -L https://claudskills.com/skills/oss-forensics-agent/SKILL.md \
  -o ~/.claude/skills/oss-forensics-agent/SKILL.md

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

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

Telegram

📱 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 Oss Forensics Agent Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/oss-forensics-agent/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Oss Forensics Agent skill do?
GRIMSEC Agent 11: Evidence-backed forensic investigation of open-source GitHub repositories. Use when investigating supply chain incidents, suspicious commits, compromised maintainer accounts, backdoor injections, or any open-source security incident. Triggered by phrases like "investigate this repo", "forensic analysis of", "check for supply chain compromise", "was this package backdoored", "analyze suspicious maintainer activity", "oss forensics", or after cicd-pipeline-auditor flags suspicious patterns. Inspired by Raptor's /oss-forensics command.
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 Oss Forensics Agent skill?
Use Oss Forensics Agent when your Claude Code task falls under the Security category — specifically in the forensics 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 Oss Forensics Agent" or describe the task and let Claude pick). Browse related skills at /category/security/.
What is a Claude Code skill and how does the Oss Forensics Agent 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. Oss Forensics Agent 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

Cite this skill

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

APA
camgrimsec. (2026). Oss Forensics Agent [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/oss-forensics-agent/
BibTeX
@misc{oss-forensics-agent-2026,
  author    = {camgrimsec},
  title     = {Oss Forensics Agent [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/oss-forensics-agent/}
}

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