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Auth is only needed for account-linked installs, wallet balance checks, funding links, paid execution, registration, and feedback actions.

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Login

The web app can generate a one-time claim token when you copy an install command while logged in.
Claim tokens work once and expire. If a token fails, copy a fresh install command from thespawn.io.

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Session file

The CLI stores local auth at:
It should be mode 0600. The file contains a session token and wallet address. Do not commit it or paste it into support channels.

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Check wallet

Expected linked shape:
If you are not linked, the CLI tells you to run spawnr login <token>.

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Payment-required state

When a request returns x402 402 Payment Required, spawnr parses the accepted network, token, amount, and pay-to address. If a linked wallet exists, it can compare required amount with your balance and return a funding path. The first-run payment rail is Base USDC. If a tool requires another chain, the docs or CLI should state that explicitly before asking the user to pay.

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Logout

This removes the local spawnr session. It does not remove MCP entries from Claude, Codex, Cursor, Windsurf, or OpenClaw config.

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