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korean-law-mcp MCP Server Security Report

chrisryugj/korean-law-mcp

법제처 국가법령정보를 LLM에서 바로 조회하는 MCP 서버. 법령·판례·조례 검색과 인용 검증 | MCP server for Korean law — search statutes, precedents, and ordinances, and verify citations

Security Trust Score
Grade A · Strong posture
Tier 1 · Public sourceHigh confidence · 98%latest vmain@3f7c7d8 Repository
Declared MCP capabilities
ResourcesPrompts

Run it securely

Host chrisryugj/korean-law-mcp in a governed environment — SSO in front, every tool call attributed and audited.

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The short answer

Is korean-law-mcp safe to use?
korean-law-mcp scores 90/100 (grade A) on the Canopii Trust Index — strong posture. It passes 15 of the 21 security controls that apply to it, with no confirmed security failures.
How reliable is the security score for korean-law-mcp?
We could evaluate 98% of the controls that apply to korean-law-mcp. Scores are deterministic — the same source always produces the same score — and a partially-scannable server cannot present a high one, because confidence caps the result. The scanner is open source, so this score can be reproduced independently.
How was korean-law-mcp scored?
Its published source was scanned against a fixed catalog of weighted security controls covering code safety, committed secrets, dependency vulnerabilities, tool-description integrity, authentication and transport, and maintenance. A confirmed flaw caps the score outright regardless of what else passes. The full rubric is published.
Reputation2.8kstars583forks0open issues4d agolast commit<1yage

Security controlslatest scored version vmain@3f7c7d8

Each control is evaluated deterministically with evidence. The score is earned from passing controls; a failed guard caps it.

Model–MCP Runtime Guardrails

  • Warn
    Strict JSON Schema Enforcementschemas not strict

    Tool inputs are constrained (additionalProperties:false), so unexpected arguments can't be smuggled in.

    Fix: Set additionalProperties:false and require explicit parameters on every tool.

  • Pass
    Indirect Prompt Injection (IPI) Defensesguardno injection markers

    Tool/prompt/resource text is free of hidden instructions that could hijack the agent.

  • Pass
    Tool Definition Integrityguardtool definitions stable; no risky changes in version history

    Every consecutive version pair is diffed for new injection markers or destructive scope — a risky diff anywhere in history is a rug-pull (fail, durable); benign description drift warns.

  • Pass
    User-in-the-Loop / Approval Scopeguardno destructive tool scope

    No over-broad or destructive tools (arbitrary shell, bulk-delete) that warrant human approval.

Application Security Checks

  • Warn
    No path traversalguard48 occurrences

    Naive path checks let tools read/write outside intended directories (EscapeRoute-class).

    scripts/verify-package.mjs:38scripts/verify-package.mjs:119src/cli.ts:108src/cli.ts:120

    Fix: Resolve to a canonical path and verify containment; reject ../ and symlinks.

  • Warn
    No SSRF sinksguard6 occurrences

    Fetching tool-supplied URLs can pivot into internal networks and metadata services.

    src/lib/external-https-proxy.ts:97src/lib/fetch-with-retry.ts:181src/lib/law-antibot.ts:65src/server/http-server.contract.test.ts:64

    Fix: Allow-list destinations; reject arbitrary/loopback/link-local URLs.

  • Warn
    Has a security policyno security policy

    A SECURITY.md gives a private path to report vulnerabilities.

    Fix: Add SECURITY.md with a disclosure contact and process.

  • Pass
    No command-injection sinksguardno sinks found

    Untrusted tool input reaching a shell yields remote code execution.

  • Pass
    No dynamic code executionguardno sinks found

    eval()/exec()/Function() on tool-derived strings allows arbitrary code execution.

  • Pass
    No unsafe deserializationguardno sinks found

    pickle/yaml.load/etc. on untrusted data can execute code.

  • Pass
    No committed secretsguardno secrets found

    Hardcoded keys/tokens in published source are live credentials an attacker can use.

  • Pass
    Credentials sourced from environmentreads credentials from environment

    Reading secrets from env/secret stores avoids hardcoding them.

  • Pass
    No known-vulnerable dependencies178 runtime deps, no known CVEs

    Runtime dependencies (parsed from the lockfile) are scanned against OSV.dev for published CVEs. Advisory: flagged dependencies lower the score but don't hard-cap it, since transitive reachability is unproven.

  • Pass
    Dependencies pinned (lockfile)lockfile present

    A lockfile makes installs reproducible and resistant to silent dependency swaps.

  • Pass
    Actively maintainedrecent commits

    Unmaintained servers don't receive security fixes.

  • Pass
    Repository not archivedguardactive

    Archived repositories will never be patched.

  • Pass
    Declares a licenseMIT

    A clear license is required for legal enterprise use.

  • Pass
    Adoption & popularityestablished adoption

    A small, capped nudge from stars/downloads — widely-used servers get more eyes on bugs. It can never offset a real security failure.

  • Not checked
    Signed releasesnot evaluated

    Signed releases let consumers verify artifacts weren't tampered with.

  • N/A
    No install/post-install scriptsguardno published package

    install hooks run arbitrary code on every consumer at install time.

  • N/A
    Package name not typosquattingguardno published package

    Names mimicking popular packages are a common malware delivery vector.

  • N/A
    Published with provenanceno published package

    Build provenance attests the artifact was built from the claimed source by CI.

  • N/A
    Established maintainerno published package

    Brand-new / single anonymous maintainers raise takeover and malware risk.

Transport & Trust Model

  • Warn
    Network Exposurebinds 0.0.0.0

    Binding 0.0.0.0 or exposing debug inspectors widens the attack surface.

    Fix: Bind to 127.0.0.1 by default; never ship open debug endpoints.

  • Pass
    Execution Sandboxingcontainerized

    A container/sandbox image limits blast radius; a server that runs natively has full host access.

  • N/A
    Transport Encryption (TLS)guardno remote endpoints

    Plaintext HTTP exposes traffic and bearer tokens to interception.

  • N/A
    IAM / Authentication Scopingno remote endpoints

    OAuth 2.1 / Protected Resource Metadata gates who can invoke tools.

  • N/A
    Live Endpoint Reachablenot dynamically scanned

    A dynamic scan connected to the declared remote endpoint and it responded — verified live, not a dead URL.

  • N/A
    Authentication Enforced (live)not dynamically scanned

    If the server declares auth is required, it must actually reject anonymous clients. Serving tools to unauthenticated callers is a real exposure.

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Versions

VersionScoreStatus
vmain@3f7c7d8latest90Ascored
vmain@5be113890Ascored
vmain@f2afe2f90Ascored
vmain@69de3b685Bscored
vmain@32c294e90Ascored
vmain@00d1fc785Bscored
vmain@b38edeb85Bscored
vmain@0a8f08e90Ascored
vmain@c6feff090Ascored
vmain@c641ce985Bscored
vmain@fe834b887Bscored
vmain@ff33a7185Bscored
vmain@ab6797787Bscored
vmain@b9e0aad87Bscored
vmain@11359d685Bscored
vmain@efbf82c87Bscored
vmain@d4689a185Bscored
vmain@167660f87Bscored
vmain@c98646887Bscored
vmain@e3b6db187Bscored
vmain@486c26387Bscored
vmain@ba10add87Bscored
vmain@1c55f9487Bscored
vmain@cc2c2f087Bscored
vmain@ee8d62987Bscored
vmain@dd4965985Bscored
vmain@e667e9c87Bscored
vmain@71e9f3d85Bscored
vmain@ad2d62087Bscored
vmain@2887dd187Bscored

Wondering how this compares? The MCP Security Index tracks grade distribution, committed secrets, and missing authentication across the whole ecosystem, refreshed monthly.