ClawPay MCP — Non-Custodial x402 Payments for AI Agents
Gives Claude a non-custodial crypto wallet on Base with local key signing and enforced spend limits for paying x402 APIs. Exposes tools to send payments, check balances, and simulate transactions before execution. Built for agents that hit HTTP 402 payment gates and need to retry with funds, not credit cards. Includes human approval mode for transactions above a threshold and logs everything on-chain for audit trails. The dependency tree avoids LiteLLM entirely and runs on viem and the MCP SDK. Reach for this if you're building agents that consume paid APIs autonomously and need hard budget caps that can't be overridden by prompt injection or runaway loops.
- GitHub stars
- 4
- tools
- 9
- auth
- Secret needed
- transport
- STDIO
- env vars
- 2
- last updated
- Mar 5, 2026
Tools
9 toolsPublic tool metadata for what this MCP can expose to an agent.
deploy_wallet
No parameter schema in public metadata yet.
get_wallet_info
No parameter schema in public metadata yet.
queue_approval
No parameter schema in public metadata yet.
send_payment
No parameter schema in public metadata yet.
x402_quote
No parameter schema in public metadata yet.
x402_pay
No parameter schema in public metadata yet.
set_spend_policy
No parameter schema in public metadata yet.
check_budget
No parameter schema in public metadata yet.
get_transaction_historyReads wallet contract events.
Reads wallet contract events.
No parameter schema in public metadata yet.
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AGENT_PRIVATE_KEY*secretPrivate key for the agent wallet (hex, without 0x prefix)
BASE_RPC_URLBase RPC URL (defaults to public Base mainnet)
Readme
AgentPay MCP
Paused for security maintenance. Do not use in production.
AgentPay MCP is a stdio Model Context Protocol server for x402 payments and wallet operations. It exposes Agent Wallet SDK functions as MCP tools and loads a caller-controlled signing key from the local process environment.
The current npm package is agentpay-mcp v5.0.0.
Start without funds
Check the installed command without loading wallet credentials:
npx -y agentpay-mcp --version
npx -y agentpay-mcp --help
Use the AgentPay Wallet Starter for a no-funds verification of allowed, approval-required, and blocked policy outcomes.
MCP client configuration
Wallet tools read the following environment variables:
Details
- Repository
- github.com/up2itnow0822/clawpay-mcp
- Package
clawpay-mcp- Transport
- STDIO
- Auth
- Required
- Registry
- MCP registry, active