lexguard-mcp: Skill for Cursor

.cursor/skills/lexguard-mcp-dev/SKILL.md

lexguard-mcp-dev is a skill for Cursor from SeoNaRu/lexguard-mcp. It costs 78 tokens per session (1,421 once invoked), scanned A, original, no licence file.

A development guide for LexGuard MCP, a Korean legal-information server that exposes tools through MCP.

In plain words
What is it for?
Use it when adding MCP tools, writing repositories or services, changing JSON-RPC endpoints, connecting to the law API, or adding tests.
Why use it?
It helps changes follow the project's architecture, response format, tests, and rules for the Korean Law Information Center API.

Skill for Cursor

Written for Cursor: installed under .cursor/.

This is SeoNaRu/lexguard-mcp's own configuration. It tells Cursor how to work on lexguard-mcp 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 lexguard-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to SeoNaRu/lexguard-mcp. 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/SeoNaRu/lexguard-mcp/main/.cursor/skills/lexguard-mcp-dev/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/SeoNaRu/lexguard-mcp

Made for: Cursor.

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 lexguard-mcp-dev

README.md
[![agentmods](https://agentmods.dev/badge/skills/seonaru/lexguard-mcp/lexguard-mcp-dev/github.svg)](https://agentmods.dev/skills/seonaru/lexguard-mcp/lexguard-mcp-dev)
Your own site
<a href="https://agentmods.dev/skills/seonaru/lexguard-mcp/lexguard-mcp-dev"><img src="https://agentmods.dev/badge/skills/seonaru/lexguard-mcp/lexguard-mcp-dev/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 lexguard-mcp-dev

Your own site · 80×15
<a href="https://agentmods.dev/skills/seonaru/lexguard-mcp/lexguard-mcp-dev"><img src="https://agentmods.dev/badge/skills/seonaru/lexguard-mcp/lexguard-mcp-dev.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 78 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,421 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 $0.00078 $0.01421
Opus 5.5 $0.00031 $0.00568
Sonnet 5.5 $0.00016 $0.00284
Haiku 4.5 $0.00008 $0.00142

Measured 1mo ago against content hash 29a4e4e59f69, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

lexguard-mcp-dev scanned grade A 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

resp = requests.get(LAW_API_BASE_URL, params=params, timeout=10)
.cursor/skills/lexguard-mcp-dev/SKILL.md · 132 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 1mo ago First seen · 132 lines · 78 tokens per session scan A 29a4e4e59f69

Subscribe to this mod's changes

lexguard-mcp-dev is a skill published in the GitHub repository SeoNaRu/lexguard-mcp (132 stars, last pushed 2mo ago), with no licence file. It adds 78 tokens to every session and 1,421 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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