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Tachyon CLI Reference

All commands use the tcn prefix.

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Core Commands

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tcn share

Expose a local port via a secure tunnel. 
tcn share <port> [options]
OptionDescription
<port>Local port to expose (e.g., 3000)
--publicAllow public access (no auth required)
--subdomain <name>Custom subdomain name (Pro)
--host <host>Local host to forward to (default: localhost)
--allow <emails...>Allow specific email addresses
-p, --project <name>Use existing project by name
--new-project <name>Create and use a new project
--standaloneCreate tunnel without project
--inspect [port]Enable request inspector (default: 4040)
--no-inspectDisable the request inspector
Examples: 
tcn share 3000
tcn share 8080 --public
tcn share 3000 --subdomain my-app
tcn share 3000 --allow [email protected]
tcn share 3000 --inspect 8080

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Authentication

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tcn login

Sign in with SSO. 
tcn login [options]
OptionDescription
--googleSign in with Google (default: GitHub)

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tcn logout

Sign out and clear credentials. 
tcn logout

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tcn whoami

Show current user and session info. 
tcn whoami

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Project Management

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tcn projects

List your projects. 
tcn projects

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tcn project create

Create a new project. 
tcn project create <name> [options]
OptionDescription
--subdomain <name>Reserve a subdomain (Pro)

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tcn project delete

Delete a project. 
tcn project delete <name>

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Team Management

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tcn members

Manage project members. 
tcn members list
tcn members add <email>
tcn members remove <email>

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Status

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tcn status

Show active tunnels. 
tcn status