> by uploading or posting content to the Platform and providing access to your system’s source code repository, you hereby grant to Snyk, limited to the extent it is necessary in order to enable your use of the Platform, a perpetual, worldwide, non-exclusive, royalty free and transferable licence (with right to sub-license) to, including without limitation, use, display and transmit the content and source code
.. No thanks.
A service allowing consumers to "find and fix known vulnerabilities in Node.js dependencies" certainly does not require a transferable license (especially one with the right to sub-license). A transferable license allows the licensee to freely assign the license to any other party without the licensor's consent. The wording includes the right to sub-license, allowing the same license to be granted to another third-party -- again, without the need to obtain the licensor's consent due to its inclusion as part of the transferable license statement.