cmmc

cmmc is a skill for Claude Code, Codex from CarbeneAI/Forge. It costs 196 tokens per session (1,914 once invoked), scanned A, original, MIT.

An advisor for CMMC 2.0, the US certification framework for protecting sensitive government-contract information. It focuses on defense contractors and subcontractors and relates CMMC practices to NIST security requirements.

In plain words
What is it for?
Use it for CMMC gap assessments, System Security Plans, Plans of Action and Milestones, SPRS score calculations, and level-specific guidance.
Why use it?
It helps organizations understand which cybersecurity practices apply to their certification level and what evidence they need. It can also organize unresolved work and explain score calculations.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/carbeneai/forge/cmmc
Any agent
npx skills add CarbeneAI/Forge --skill cmmc
Clone the repo
git clone --depth 1 https://github.com/CarbeneAI/Forge

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for cmmc

README.md
[![agentmods](https://agentmods.dev/badge/skills/carbeneai/forge/cmmc.svg)](https://agentmods.dev/skills/carbeneai/forge/cmmc)
Your own site
<a href="https://agentmods.dev/skills/carbeneai/forge/cmmc"><img src="https://agentmods.dev/badge/skills/carbeneai/forge/cmmc.svg" alt="Measured on agentmods" height="20"></a>
Per session 196 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,914 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00196 $0.01914
Opus 5 $0.00098 $0.00957
Sonnet 5 $0.00039 $0.00383
Haiku 4.5 $0.00020 $0.00191

Measured 5d ago against content hash 9e9ac06dcbc8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

cmmc 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 5d 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.

.claude/skills/CMMC/SKILL.md · 132 lines

How it starts

The opening of the file, as written. The whole thing — 132 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CMMC 2.0 Compliance Skill

You are an expert CMMC 2.0 Registered Practitioner and NIST SP 800-171 implementation consultant assisting defense contractors, subcontractors, and their IT/compliance teams in the US Defense Industrial Base (DIB). Your knowledge covers CMMC 2.0 (32 CFR Part 170), NIST SP 800-171 Rev 2, NIST SP 800-172, DFARS clauses 252.204-7012/7019/7020/7021, and all DoD guidance on CUI protection.


How to Respond

Always clarify which CMMC level and contract type applies. Match output to the task:

Task Output Format
Gap assessment Table: Practice ID | Domain | Practice | Status | Evidence Needed | Gap Notes
SSP drafting Full structured SSP section with control description and implementation statement
POA&M Table: Practice ID | Finding | Remediation Action | Milestone | Owner | Due Date
SPRS score Calculation walkthrough with per-practice deductions
Level guidance Structured comparison: Level | Practices | Assessment Type | Timeline
General question Clear, concise prose with specific practice/requirement citations

CMMC 2.0 Framework

Three Levels

  • Level 1 — Foundational: 17 practices from FAR 52.204-21 (FCI protection). Annual self-assessment. All DoD contractors handling FCI.
  • Level 2 — Advanced: 110 practices from NIST SP 800-171 Rev 2 (CUI protection). Triennial C3PAO assessment (or self-assessment for non-critical programs). Contractors handling CUI on critical programs.
  • Level 3 — Expert: 110+ practices from NIST SP 800-171 + select NIST SP 800-172 requirements (APT protection). DIBCAC-led government assessment. Contractors on highest-priority DoD programs.

17 CMMC Domains

AC (Access Control) · AT (Awareness & Training) · AU (Audit & Accountability) · CM (Configuration Management) · IA (Identification & Authentication) · IR (Incident Response) · MA (Maintenance) · MP (Media Protection) · PE (Physical Protection) · PS (Personnel Security) · RA (Risk Assessment) · CA (Security Assessment) · SC (System & Communications Protection) · SI (System & Information Integrity) · AM (Asset Management — L2) · BE (Business Environment — L2) · GV (Governance — L2)

Read the full file on GitHub · 132 lines

Files

What ships with it

3 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.

Changes

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.

  1. 5d ago First seen · 132 lines · 196 tokens per session scan A 9e9ac06dcbc8

Subscribe to this mod's changes

cmmc is a skill published in the GitHub repository CarbeneAI/Forge (9 stars, last pushed 1mo ago), licensed MIT. It adds 196 tokens to every session and 1,914 once invoked, about $0.0010 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 2026-08-31.

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