walletcap for Coinbase payments MCP
coriolislabs/walletcap
Spend limits for Coinbase's payments MCP: a per-payment cap and rolling 24h USDC budget per wallet
- tools
- 2
- transport
- STDIO
- last updated
- Nov 7, 2026
Tools
2 toolsPublic tool metadata for what this MCP can expose to an agent.
sendChecked against the wallet's budget before the wallet signs anything, and counted.
Checked against the wallet's budget before the wallet signs anything, and counted.
No parameter schema in public metadata yet.
make_http_request_with_x402Checked against the wallet's budget before the wallet signs anything, and counted, as the MCP form of the x402 payment.
Checked against the wallet's budget before the wallet signs anything, and counted, as the MCP form of the x402 payment.
No parameter schema in public metadata yet.
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walletcap: spend limits for AI agent wallets
Spend limits for AI agent wallets that pay in USDC: a per-payment cap and a rolling 24-hour budget that holds across restarts, replicas on one host and payment rails. walletcap plugs into x402 clients, Coinbase CDP's x402 spend controls, Coinbase AgentKit, the Coinbase Agentic Wallet CLI and payments MCP server, and Coinbase Spend Permissions. By ShadowPath.
Crash test: CDP's controls let $1,600–$1,700 past a $150 cap, walletcap lets $0
Details
- Repository
- github.com/coriolislabs/walletcap
- Website
- coriolislabs.github.io/WalletCap/coinbase-agentic-wallet-budget
- Category
- Finance & Commerce
- Package
walletcap- Transport
- STDIO
- Registry
- MCP registry, active
