MCP Server
MCP
Agent402.Tools: pay-per-call web tools
Agentic Finance: 500+ tools for AI agents over x402 or MPP, free via PoW, or prepaid card credits
Install
npx -y [email protected]
Configuration Example
{
"remotes": [
{
"type": "streamable-http",
"url": "https://agent402.tools/mcp"
}
],
"packages": [
{
"registryType": "npm",
"registryBaseUrl": "https://registry.npmjs.org",
"identifier": "agent402-mcp",
"version": "0.13.0",
"transport": {
"type": "stdio"
},
"environmentVariables": [
{
"description": "Hex private key of a wallet funded with USDC on Base, Solana, Polygon, Arbitrum, Monad, Celo, Avalanche, Sei, Optimism, Stellar or Algorand (or USDG on Robinhood Chain). Unset = proof-of-work mode (free pure-CPU tools).",
"isSecret": true,
"name": "AGENT_KEY"
},
{
"description": "Optional hard cap on total USDC spent per session (e.g. 1.00). Refused before any payment is signed.",
"name": "AGENT402_BUDGET"
},
{
"description": "Optional max USD price for any single call (e.g. 0.01).",
"name": "AGENT402_MAX_PER_CALL"
},
{
"description": "Prepaid card-credits key (a402_...) from https://agent402.tools/credits. With it set and no wallet key, every tool pays by card; the list price is debited only on a successful call.",
"isSecret": true,
"name": "AGENT402_CREDITS_KEY"
},
{
"description": "Optional base58 (or JSON byte-array) secret key of a Solana wallet funded with USDC on Solana.",
"isSecret": true,
"name": "SOLANA_AGENT_KEY"
},
{
"description": "Optional: restrict and order the chains to pay on (e.g. \"base,solana\" or a CAIP-2 like eip155:4663).",
"name": "AGENT402_NETWORKS"
}
]
}
]
}
mcp
model-context-protocol
streamable-http
npm
By
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