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three.ws: Skill for Claude Code

.agents/skills/okx-security/SKILL.md

okx-security is a skill for Claude Code from nirholas/three.ws. It costs 284 tokens per session (2,154 once invoked), scanned A, original, Apache-2.0.

A blockchain security-checking tool for tokens, websites, transactions, signatures, and token permissions.

In plain words
What is it for?
Use it to scan token risks, check whether a website may be phishing, review a transaction or signature before execution, and manage token approvals.
Why use it?
It helps identify scams, phishing sites, risky tokens, unsafe transactions, and dangerous permissions before you approve an action.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: installed under .agents/ (shared by several agents).

This is nirholas/three.ws's own configuration. It tells Claude Code how to work on three.ws itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything three.ws configures →

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is Read `../okx-agentic-wallet/_shared/preflight.md`. If that file does not exist, read `_shared/preflight.md` instead..

Part of the three-ws-core plugin — 49 skills shipped together

not rated 269repo +7 yesterday A scan SkillSpector: warn 284 tokens original Apache-2.0
View source ↗ nirholas/three.ws three.ws
Reuse

Borrowing it

Nothing to install: this file belongs to nirholas/three.ws. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/nirholas/three.ws/main/.agents/skills/okx-security/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/nirholas/three.ws

Made for: Claude Code.

Or install three-ws-core, the plugin that ships this one along with the rest of its 49 skills.

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 okx-security

README.md
[![agentmods](https://agentmods.dev/badge/skills/nirholas/three.ws/okx-security/github.svg)](https://agentmods.dev/skills/nirholas/three.ws/okx-security)
Your own site
<a href="https://agentmods.dev/skills/nirholas/three.ws/okx-security"><img src="https://agentmods.dev/badge/skills/nirholas/three.ws/okx-security/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.

agentmods 80×15 button for okx-security

Your own site · 80×15
<a href="https://agentmods.dev/skills/nirholas/three.ws/okx-security"><img src="https://agentmods.dev/badge/skills/nirholas/three.ws/okx-security.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 284 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,154 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Memory Poisoning · line 71
    Skill manipulates agent memory, state, or stored context. Memory corruption can alter personality, override safety rules, or cause unpredictable behavior.
    Fix: Protect agent memory and state from modification by untrusted content. Use read-only memory for critical instructions and validate all state changes.
  • medium Excessive Agency · line 31
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
How audits are shown
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 $0.00284 $0.02154
Opus 5.5 $0.00114 $0.00862
Sonnet 5.5 $0.00057 $0.00431
Haiku 4.5 $0.00028 $0.00215

Measured 2mo ago against content hash 5049efc90c0e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

okx-security 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 2mo 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.

.agents/skills/okx-security/SKILL.md · 141 lines

How it starts

The opening of the file, as written. The whole thing — 141 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Onchain OS Security

5 commands for token risk analysis, DApp phishing detection, transaction pre-execution security, signature safety, and approval management.

Pre-flight Checks

Read ../okx-agentic-wallet/_shared/preflight.md. If that file does not exist, read _shared/preflight.md instead.

Fail-safe Principle (CRITICAL)

Scan completed — risk detected

If a security scan completes successfully and returns action: "block" or action: "warn", follow the Risk Action Priority Rule below. The Agent MUST NOT override risk verdicts.

Scan failed — infrastructure error

If a security scan fails to complete (network error, API timeout, rate limiting, malformed response), the Agent MUST:

  • Report the error clearly to the user.
  • Ask the user whether to retry the scan or proceed without scan results.
  • If the user chooses to proceed, display a warning:

    "⚠️ Security scan could not be completed. Proceeding without verification — please ensure you trust this operation."

  • Log the skipped scan for auditability.

A security scan that fails to complete is NOT a "pass". Always inform the user and let them make an explicit decision.

Risk Action Priority Rule

tx-scan / sig-scan (transaction & signature scanning)

block > warn > safe (empty). The top-level action field reflects the highest priority from riskItemDetail.

action value Risk Level Agent Behavior
(empty/null) Low risk Safe to proceed
warn Medium risk Show risk details, ask for explicit user confirmation
block High risk Do NOT proceed, show risk details, recommend cancel
  • Risk scan result is still valid even if simulation fails (simulator.revertReason may contain the revert reason).
  • If warnings field is populated, the scan completed but some data may be incomplete. Still present available risk information.
  • An empty/null action in a successful API response means "no risk detected". But if the API call failed, the absence of action does NOT mean safe — apply the fail-safe principle.

Read the full file on GitHub · 141 lines

Files

What ships with it

5 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. 2mo ago First seen · 141 lines · 284 tokens per session scan A 5049efc90c0e

Subscribe to this mod's changes

okx-security is a skill published in the GitHub repository nirholas/three.ws (269 stars, last pushed yesterday), licensed Apache-2.0. It adds 284 tokens to every session and 2,154 once invoked, about $0.0011 per session on Opus 5.5. 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 2026-08-30.

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Related

okx-security compared with skills from other repositories

okx-security next to 6 skills from other repositories
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okx-securitynirholas/three.wsSkill269yesterdayApache-2.0A284Claude Code
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