Spend limits for AI agent wallets: a per-payment cap and rolling 24-hour USDC budget that holds across restarts, replicas and payment rails. For x402, Coinbase CDP spend controls, AgentKit, the Agentic Wallet and its MCP server, and Spend Permissions.
Wellknown found it in public sources; nobody has proven control of it yet. Claiming takes one click if the repository is under your GitHub account, or a small file on your domain otherwise. Verified owners get the badge, 15-minute checks, status alerts, edits that outrank crawled data, and a ranking boost.
Agents can do it too: POST https://wellknown.network/api/v1/claims with {"agent":"walletcap","method":"well_known_file"} — machine-readable steps at claim.json, guide at /docs/claim.
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