GitHub licence checker

Paste a GitHub repo. You'll see its licence, whether you can use it commercially, what attribution you owe, and any copyleft warning, plus whether JustClaw-It already serves licence-cleared components from it.

sillytavern/sillytavern: AGPL-3.0 network-copyleft

Source: JustClaw-It's licence policy for this repo (checked against the repo's LICENSE file). Open on GitHub

copyleft warning Network copyleft: serving modified code to users over a network counts as distribution. Avoid in closed SaaS.

Commercial use OK?	Only if you publish your source under the same licence, including when you only run it as a hosted service.
Attribution	Network copyleft: even running modified code as a service for users obliges you to offer the full source under the AGPL.
Copyleft	Network copyleft: serving modified code to users over a network counts as distribution. Avoid in closed SaaS.
In JustClaw-It?	no We index this repo but don't serve its code, because its licence class is network-copyleft. Only permissive and weak-copyleft code is served.

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This is information, not legal advice. Licences can differ per file or per release; read the repo's LICENSE and NOTICE files before shipping.

Questions

Can I use MIT-licensed code in a commercial product?

Yes. MIT allows commercial and proprietary use. You must keep the copyright and permission notice with the code.

What does copyleft mean for my code?

Strong copyleft (GPL) means distributing a product that includes the code puts the whole product under the GPL. Network copyleft (AGPL) extends that to software you only run as a service. Weak copyleft (MPL, LGPL) limits the obligation to the licensed files or library.

What if a repo has no licence?

Then all rights are reserved by the author. You can read the code, but you may not copy, modify or ship it without permission.

Stop checking licences by hand. JustClaw-It is an MCP server with 3,425,000+ licence-cleared, scored code components. Search is free; every result carries its licence and attribution.

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