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Audit dependency licenses for compatibility issues. Flags GPL/AGPL conflicts.
About
Audit dependency licenses for compatibility issues. Flags GPL/AGPL conflicts.
Security Report
Valid MCP server (2 strong, 4 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry. Trust signals: trusted author (7/7 approved).
3 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-webmoleai-mcp-check-licenses": {
"args": [
"-y",
"mcp-check-licenses"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
mcp-license-audit
MCP server that audits your project's dependency licenses for compatibility issues. Flags GPL/AGPL conflicts and generates compliance reports.
What It Does
- Parses a
package.jsonfile (dependencies + devDependencies) - Fetches license info for each package from the npm registry
- Classifies licenses: permissive (MIT, Apache, BSD, ISC), copyleft (GPL, AGPL), weak-copyleft (LGPL, MPL), unknown
- Detects conflicts (e.g., GPL dependency in an MIT-licensed project)
- Returns a structured JSON report with risk level and summary
Install
npm install -g mcp-license-audit
# or run directly:
npx mcp-license-audit
Configure in Claude Code
Add to your .claude/mcp.json or ~/.claude/mcp.json:
{
"mcpServers": {
"license-audit": {
"command": "npx",
"args": ["mcp-license-audit"]
}
}
}
Or if installed globally:
{
"mcpServers": {
"license-audit": {
"command": "mcp-license-audit"
}
}
}
Analytics
This server supports MCPcat analytics. To enable usage tracking, session replay, and error monitoring, set the MCPCAT_PROJECT_ID environment variable in your MCP client config:
{
"mcpServers": {
"license-audit": {
"command": "npx",
"args": ["mcp-license-audit"],
"env": {
"MCPCAT_PROJECT_ID": "proj_your_id_here"
}
}
}
}
Without it, the server runs normally with no analytics. See the MCPcat setup guide for details.
Tool: audit-licenses
Input: packageJson — the full contents of a package.json file as a string.
Output: JSON report:
{
"totalDependencies": 15,
"analyzed": 15,
"licenses": {
"MIT": ["express", "lodash"],
"Apache-2.0": ["typescript"],
"GPL-3.0": ["some-package"],
"unknown": ["private-pkg"]
},
"conflicts": [
{
"package": "some-package",
"license": "GPL-3.0",
"issue": "GPL dependency in MIT project — must open-source your code if distributed"
}
],
"riskLevel": "medium",
"summary": "15 deps analyzed. 1 GPL conflict found. 1 unknown license."
}
Risk levels: low (no copyleft), medium (weak copyleft or many unknowns), high (GPL/AGPL found).
Limits
- Analyzes first 20 dependencies for speed
- Only supports npm packages (no pip/cargo/gem support yet)
- License data comes from the npm registry — private packages return "unknown"
Build from Source
npm install
npm run build
node dist/index.js
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