Cline
An open source coding agent that runs as an editor extension, a CLI, or an embeddable SDK, and connects to whichever model provider you choose.
Free and open source for individuals, with usage-based model inference paid either through your own provider API key or through credits bought from the vendor. Enterprise is quoted.
Open source
Appears in 1 guide
Where it ranks
Guides that include Cline.
Security headers
What Cline's website sends to your browser.
Scanned 2026-08-25. Grade headers C, scoring 60 out of 100.
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No Content-Security-Policy, so no defence in depth against cross-site scripting
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Strict-Transport-Security is set
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X-Content-Type-Options: nosniff is set
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X-Frame-Options is set
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Referrer-Policy is set
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Permissions-Policy is set
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No Cross-Origin-Opener-Policy
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No Cross-Origin-Resource-Policy
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Server version or framework disclosed via Server/X-Powered-By
This is one narrow, automated check of the HTTP response headers on the vendor's own website. It says nothing about how the product itself is built, how it stores your data, or whether it has ever been audited. A good grade here is a small signal that somebody was paying attention.