korean-patent-mcp: Instructions file for Claude Code

CLAUDE.md

korean-patent-mcp CLAUDE.md is an instructions file for Claude Code from chrisryugj/korean-patent-mcp. It costs 2,457 tokens per session, scanned A, original, MIT.

A guide for a Korean patent-search MCP server, which connects AI assistants to KIPRIS Plus, South Korea’s patent and intellectual-property database. It documents the server’s tools, structure, deployment, and API handling.

In plain words
What is it for?
It supports maintaining, testing, deploying, and using search tools for Korean intellectual-property records.
Why use it?
It gives an agent the domain and operational details needed to work safely with Korean patent, utility-model, trademark, and design searches.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md.

This is chrisryugj/korean-patent-mcp's own configuration. It tells Claude Code how to work on korean-patent-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 korean-patent-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to chrisryugj/korean-patent-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/chrisryugj/korean-patent-mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/chrisryugj/korean-patent-mcp

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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Per session 2,457 This file is loaded in full into every session.
When invoked 2,457 The same file — it is already loaded in full.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 $0.02457 $0.02457
Opus 5.5 $0.00983 $0.00983
Sonnet 5.5 $0.00491 $0.00491
Haiku 4.5 $0.00246 $0.00246

Measured 2mo ago against content hash d20291175cc4, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

korean-patent-mcp CLAUDE.md 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 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.

Makes network callslowCapability

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

> - **반영 절차**: 이 레포는 npm 미배포 — ①main에 커밋·푸시 → ②**`gomdori-mcp/Dockerfile`의 `ARG PATENT_SHA` 를 새 커밋 SHA로 갱신**(⚠️ Dockerfile은 main이 아니라 이 SHA를 checkout 한다 — 안 고치면 구 코드가 그대로 빌드돼 배포가 조용히 무효) → ③`cd ~/workspace/gomdori-mcp &&
CLAUDE.md · 99 lines

How it starts

The opening of the file, as written. The whole thing — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

⚠️ 배포 — 통합 호스트 (2026-07-02부터)

프로덕션 공식 서빙은 gomdori-mcp 통합 호스트(fly 앱 korean-law-mcp 1대, MCP 5종 동거)다.

  • 공식 주소: https://mcp.gomdori.app/patent (구 앱 korean-patent-mcp는 통합 완료로 scale 0 처리됨)
  • 반영 절차: 이 레포는 npm 미배포 — ①main에 커밋·푸시 → ②**gomdori-mcp/Dockerfile의 ARG PATENT_SHA 를 새 커밋 SHA로 갱신**(⚠️ Dockerfile은 main이 아니라 이 SHA를 checkout 한다 — 안 고치면 구 코드가 그대로 빌드돼 배포가 조용히 무효) → ③cd ~/workspace/gomdori-mcp && fly deploy -c fly.production.toml → ④curl https://mcp.gomdori.app/healthz 확인
  • 구 앱은 scale 0이므로 이 레포에서 fly deploy 직접 실행은 무의미 — 통합 반영은 반드시 위 절차로

Korean Patent MCP — KIPRIS Plus 특허·실용신안·상표·디자인 검색 MCP (7툴). korean-law-mcp 패턴 벤치마킹.

Structure

src/
├── index.ts            진입점 (STDIO/HTTP 모드 분기)
├── tool-registry.ts    도구 7개 등록 + toMcpInputSchema (Zod v4 → JSON Schema, apiKey 숨김)
├── lib/
│   ├── api-client.ts       KIPRIS 엔드포인트 래핑 (검색류/항목/상표/디자인/서지상세)
│   ├── fetch-with-retry.ts 30초 타임아웃·3회 재시도·maskSensitiveUrl
│   ├── xml-parser.ts       checkHeader / parsePatentList / parseAdvancedList / parseTrademarkList / parseDesignList / parsePatentDetail / parseTotalCount
│   ├── format.ts           PatentHit/Trademark/Design/Detail → 텍스트
│   ├── errors.ts           KiprisApiError + resultCode 표준화
│   ├── cache.ts            patentCache (TTL+LRU)
│   ├── schemas.ts          truncateResponse (5만 자 — 바이트 아님)
│   ├── session-state.ts    AsyncLocalStorage 요청별 키
│   └── types.ts
├── tools/              search / advanced / applicant / rightholder / detail / trademark / design
└── server/http-server.ts

Tools (7)

search_patents(자유검색) / search_patents_advanced(항목검색 IPC·명칭·초록·청구·출원인·발명자) / search_by_applicant / search_by_rightholder / get_patent_detail(서지상세) / search_trademark / search_design

Commands

npm run build
KIPRIS_API_KEY=키 node build/index.js              # STDIO
KIPRIS_API_KEY=키 node build/index.js --mode http --port 8000

Domain Knowledge — KIPRIS 엔드포인트

두 게이트웨이가 있고 키 필드·페이징 방식이 다르다:

Read the full file on GitHub · 99 lines

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 · 99 lines · 2,457 tokens per session scan A d20291175cc4

Subscribe to this mod's changes

korean-patent-mcp CLAUDE.md is an instructions file published in the GitHub repository chrisryugj/korean-patent-mcp (62 stars, last pushed 11d ago), licensed MIT. It adds 2,457 tokens to every session, about $0.0098 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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