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.
npx skills add Checkmarx/cx-agentic-ai --skill cx-cli-setupgit clone --depth 1 https://github.com/Checkmarx/cx-agentic-aiWrote 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.
[](https://agentmods.dev/skills/checkmarx/cx-agentic-ai/cx-cli-setup)<a href="https://agentmods.dev/skills/checkmarx/cx-agentic-ai/cx-cli-setup"><img src="https://agentmods.dev/badge/skills/checkmarx/cx-agentic-ai/cx-cli-setup/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/checkmarx/cx-agentic-ai/cx-cli-setup"><img src="https://agentmods.dev/badge/skills/checkmarx/cx-agentic-ai/cx-cli-setup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00051 | $0.04016 |
| Opus 5.5 | $0.00020 | $0.01606 |
| Sonnet 5.5 | $0.00010 | $0.00803 |
| Haiku 4.5 | $0.00005 | $0.00402 |
Grade B, and why
cx-cli-setup scanned grade B with 1 finding 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 1mo 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.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
(Windows: `%USERPROFILE%\.checkmarx\checkmarxcli.yaml`) — protect it like an SSH key (`chmod 600`). How it starts
The opening of the file, as written. The whole thing — 268 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CX CLI Setup
Guides the developer through installing, upgrading, and authenticating the Checkmarx One cx CLI so
the security plugin can operate. The OS is known from the Codex CLI session — use the matching
path; no detection command is needed. Detailed steps live under references/ (see Additional
Resources); this router is the spine.
When to Use
- The
cxCLI is not installed or not found in PATH - A hook blocked an operation because
cxis missing or below the minimum version - The developer explicitly runs
$cx-cli-setupto reconfigure or reauthenticate - The plugin detected expired credentials and needs a re-auth step
Run every cx command in the foreground
Every cx invocation in this skill — cx version, cx auth --help, cx auth login,
cx auth validate, cx configure set …, and the bootstrap install/upgrade command — is run with the
shell tool's normal, synchronous (foreground) execution. Never background any of them (the tool's
own async/background option). A backgrounded command hides its real exit status and hides a hang, so
you cannot tell a genuine failure from a Windows-sandbox stall (see the cx auth login /
cx auth validate notes below) or correctly report the outcome to the developer. Give a command
enough timeout to finish (cx auth login needs 5–6 minutes for the browser/MFA round trip) instead of
backgrounding it.
Phase 0 — Assess Current State
If a gate deny message sent you here, it already contains the answer — read it before running anything. Every deny states whether cx resolved (with its absolute path), the installed vs required version, and whether auth succeeded. Do not spend commands rediscovering what it just told you.
Otherwise run the two checks below — one bare command each. The gate admits only bare commands,
so a chained probe like which cx || where cx 2>nul is REJECTED (the || is chaining and nul is an
ordinary file, not a null device, under Git-Bash).
which cx # Bash tool — is the CLI on PATH?
cx auth validate # only if present
What ships with it
6 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.
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.
- 1mo ago Changed · +38 lines 265343c2b9ed
- 1mo ago First seen · 230 lines · 51 tokens per session scan B cbb2c5a8aac5
cx-cli-setup is a skill published in the GitHub repository Checkmarx/cx-agentic-ai (0 stars, last pushed yesterday), licensed Apache-2.0. It adds 51 tokens to every session and 4,016 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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