blockchainpaymentswalletbasemcp
Runs wallet-controlled x402 payments and Base wallet operations as local MCP tools for AI agents.
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Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
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Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Overview
Use cases
Submit x402 payments from an agent-controlled Base wallet
Apply local spend policies before value-moving operations
Inspect wallet balances and on-chain transaction history
Test bounded payment flows on Base Sepolia
Key features
stdio MCP server for wallet operations
x402 payment and session tools
Local spend-policy and budget checks
Token balances, transfers, swaps, and bridging
ERC-8004 identity and reputation tools
On-chain wallet event history
Capabilities & Tool Schemas
Inspect callable tools, capabilities, and parameters exposed to AI agents by Clawpay MCP.
Extracted Tool Capabilities
stdio MCP server for wallet operations
x402 payment and session tools
Local spend-policy and budget checks
Token balances, transfers, swaps, and bridging
ERC-8004 identity and reputation tools
On-chain wallet event history
How Clawpay MCP works
What up2itnow0822/clawpay-mcp MCP server does
The up2itnow0822/clawpay-mcp MCP server provides local MCP tools for x402 payments and wallet management. It is designed for agents that need to operate an on-chain wallet while keeping signing credentials under the caller's control. The server runs as a stdio process and exposes functions from the Agent Wallet SDK.
Available tool areas include wallet deployment and inspection, payment submission, x402 sessions, spend-policy checks, token balances and transfers, swaps, USDC bridging, mutual-stake escrow, ERC-8004 identity and reputation operations, UAID verification, and transaction history. The exact tool schemas and handlers are maintained in the project's source tree.
How it works
At startup, the local Node.js process reads the configured signing key and wallet address from its environment. Wallet operations use viem to sign transactions. The configured chain can be Base mainnet or Base Sepolia; if no chain ID is supplied, the server defaults to Base mainnet. An RPC endpoint can also be selected through the environment.
The server applies an in-process policy check to current value-moving handlers. The set_spend_policy tool stores policy state in the running MCP process, so a restart clears its rolling state. This policy is separate from contract-level wallet limits: on-chain limits exist only when the wallet owner configures them directly on AgentAccountV2.
The up2itnow0822/clawpay-mcp MCP server does not turn an over-limit transaction into an independent owner approval by itself. That separation requires the owner key to remain separate from the agent key. Payment, swap, bridge, and escrow operations can move funds and use gas, so testing should begin with bounded amounts and Base Sepolia.
Setup and configuration
Install and launch the package with:
Wallet tools require both AGENT_PRIVATE_KEY and AGENT_WALLET_ADDRESS. The first is a local hot-wallet signing key; the second identifies a deployed AgentAccountV2 wallet. CHAIN_ID is optional and accepts 8453 for Base mainnet or 84532 for Base Sepolia. RPC_URL selects the caller's Base RPC endpoint.
Wallet deployment additionally uses FACTORY_ADDRESS and NFT_CONTRACT_ADDRESS. SESSION_TTL_SECONDS controls the local session lifetime when supplied. Secret values should be provided through the MCP client or operating system's secret mechanism rather than committed to configuration files.
The command can be checked without wallet credentials using npx -y agentpay-mcp --version or npx -y agentpay-mcp --help.
Limitations and notes
The up2itnow0822/clawpay-mcp MCP server records transaction history from on-chain wallet events. That history does not include rejected pre-chain attempts or read-only MCP calls. Unsupported chain IDs fail closed. Policy enforcement is application-level for the in-process checks, while contract limits must be configured independently by the wallet owner.
No custodial infrastructure or API key is described as required, but the local signing key remains sensitive. Protect the process, environment, and MCP client configuration. The package is released under the MIT license.
Related MCP Servers
Adoption & maintenance
Factual signals from GitHub, npm, and our automated checks — not a rating.
GitHub stars
5
Stargazers on the source repository.
npm downloads
477
Package downloads in the last 30 days.
Last commit
8d ago
Most recent push to the default branch.
Directory activity
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CategoryFinance & Fintech
PricingFree
5/6 checks healthy over the last 32d
56Quality signal: Good · 56/100How this signal is calculated ▾
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Verified ownership10/20
Documentation & tools24/30
Adoption & activity8/15
Community engagement0/10
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Scanned 19d ago via OSV.dev · agentpay-mcp (npm)
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