LicenseGuard
Check if a dependency's license obligates you, based on how you ship. npm, PyPI, Go.
Connect it
Settings → Connectors → Add custom connector
URL: https://license-guard.rcc-aoki.workers.dev/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://license-guard.rcc-aoki.workers.dev/mcp{
"mcpServers": {
"license-guard": {
"url": "https://license-guard.rcc-aoki.workers.dev/mcp"
}
}
}claude mcp add --transport http license-guard https://license-guard.rcc-aoki.workers.dev/mcp{
"servers": {
"license-guard": {
"type": "http",
"url": "https://license-guard.rcc-aoki.workers.dev/mcp"
}
}
}{
"mcpServers": {
"license-guard": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/rccaoki-wq/license-guard:1.1.0"
]
}
}
}claude mcp add license-guard -- docker run -i --rm ghcr.io/rccaoki-wq/license-guard:1.1.03 tools, verified live
check_dependency_licenseread-onlyDetermine 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.
check_manifest_licensesread-onlyScan 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
explain_licenseread-onlyGiven 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.
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