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#tunneling

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TOPIC PRIMER What is #tunneling?

Technical deep-dive collection covering industry standards, implementation patterns, and production architectures for #tunneling.

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api 21tunnel.com 21 min read

21tunnel

21tunnel is a public-URL tunnel service built for AI agents. Mint a master key once; your AI assistant mints scoped short-lived child keys, opens tunnels in isolated project namespaces, and one cascade revoke kills everything. Also a full ngrok alternative — HTTP, TCP, SSH, custom domains free, live request inspector. Rust binary.