As of Oct 15, Agent Vault hands agents placeholder tokens instead of card numbers and passwords; a browser proxy checks the user's rules and swaps in the real value only when filling the merchant's page.
Self Labs published this on Oct 15, 2026 (source: docs.agentvault.io).
Agent Vault hands agents placeholder tokens instead of card numbers and passwords; a browser proxy checks the user's rules and swaps in the real value only when filling the merchant's page. Users can set per-transaction, daily, weekly and 30-day caps, block merchants, require approval above an amount and stop all agents at once. It connects to agents including Claude Code, Codex and Antigravity over MCP.
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