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LicenseGuard MCP Server

by rccaoki-wq Your server? Claim it
answering

LicenseGuard is answering right now. Last checked moments ago. It exposes 3 tools. Last commit 27 Aug 2026.

Check if a dependency's license obligates you, based on how you ship. npm, PyPI, Go.

Uptime history 85 days of history · worst day 95%
85 days agonow
100.0%
Uptime 24h
92 of 92 checks
3
Tools
read from the server
124 ms
Response time
average over 24h
0
Stars
last commit 27 Aug 2026

What changed 5

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 21 August 2026. No other catalogue keeps this.

26 Aug 2 tools changed the parameters they ask for4 times that day check_dependency_license, check_manifest_licenses
21 Aug a tool changed version
and 2 more, back to 21 August 2026

Nothing serious here today

Today is the operative word: we check LicenseGuard every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.

run in your terminal
claude mcp add license-guard --transport http https://license-guard.rcc-aoki.workers.dev/mcp
Settings → Connectors → Add custom connector, then paste this address
https://license-guard.rcc-aoki.workers.dev/mcp
~/.codex/config.toml
[mcp_servers.license-guard]
url = "https://license-guard.rcc-aoki.workers.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "license-guard": {
      "url": "https://license-guard.rcc-aoki.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "license-guard": {
      "type": "http",
      "url": "https://license-guard.rcc-aoki.workers.dev/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

dependency
check_dependency_license
Determine whether adding or keeping a single open source dependency creates a legal obligation, given how this project ships. Call this BEFORE adding a new dependency to a project, and when auditing an existing one. A permissive result means no source-disclosure duty; a blocked result means the license obligates you and the dependency should be replaced or the shipping model reconsidered.
explain
explain_license
Given an SPDX license identifier or expression, explain what it requires across every shipping model at once. Use when the question is about the license itself rather than a specific package — for example when comparing AGPL-3.0 against GPL-3.0 for a hosted service, or deciding what a project may safely depend on.
manifest
check_manifest_licenses
Scan an entire dependency manifest and report every dependency whose license creates an obligation for this shipping model. Use when reviewing a project as a whole, preparing for due diligence, or after a large dependency change. Pass a package-lock.json when one exists: problematic licenses usually arrive as transitive dependencies rather than ones you added directly, and only a lockfile reveals those.

Endpoints

URLTransportStateLatencyChecked
https://license-guard.rcc-aoki.workers.dev/mcp streamable-http answering 105 ms 0 min ago

Alternatives to LicenseGuard

same job, measured the same way
License Sentinel
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Presend dependency checks
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Check an npm/PyPI package before an AI agent installs it: 5 focused supply-chain tools.

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OSV Dependency Vulnerability Check
by fairquery

Check npm, PyPI, Go and Maven packages or lockfiles against OSV.dev: CVEs, CVSS, fixed versions.

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npm Package Metadata — Versions, Licenses & Counts
by kriton-dev

Read latest npm package versions, license tokens and dependency counts

answering

LicenseGuard — questions

Answers built from our own checks of this server.

What can LicenseGuard do?
It exposes 3 tools, read directly from the server on our last check. Among them: check_dependency_license, check_manifest_licenses, explain_license. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is LicenseGuard working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 124 ms. The bar chart above shows every period we have measured.
How do I connect LicenseGuard?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does LicenseGuard need an API key?
No. LicenseGuard completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is LicenseGuard?
It answers our handshake in 124 ms on average, which is faster than 91% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is LicenseGuard open source?
The code is open source: it is published under the Apache-2.0 licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at license-guard.rcc-aoki.workers.dev, which runs on its operator's own terms.