Non-custodial payment engine for AI agents — BTC, ETH, USDT, USDC, XRP, XMR, ZEC.
Connect Runs on your machine
claude mcp add agentic-pay -e AGENTIC_PAY_AGENT_ID=<AGENTIC_PAY_AGENT_ID> -e AGENTIC_PAY_CONFIG=<AGENTIC_PAY_CONFIG> -e BTC_WIF=<BTC_WIF> -e ETH_RPC_URL=<ETH_RPC_URL> -e ETH_PRIVATE_KEY=<ETH_PRIVATE_KEY> -- npx -y @shieldcubed/[email protected]{
"mcpServers": {
"agentic-pay": {
"command": "npx",
"args": [
"-y",
"@shieldcubed/[email protected]"
],
"env": {
"AGENTIC_PAY_AGENT_ID": "<AGENTIC_PAY_AGENT_ID>",
"AGENTIC_PAY_CONFIG": "<AGENTIC_PAY_CONFIG>",
"BTC_WIF": "<BTC_WIF>",
"ETH_RPC_URL": "<ETH_RPC_URL>",
"ETH_PRIVATE_KEY": "<ETH_PRIVATE_KEY>"
}
}
}
}{
"mcpServers": {
"agentic-pay": {
"command": "npx",
"args": [
"-y",
"@shieldcubed/[email protected]"
],
"env": {
"AGENTIC_PAY_AGENT_ID": "<AGENTIC_PAY_AGENT_ID>",
"AGENTIC_PAY_CONFIG": "<AGENTIC_PAY_CONFIG>",
"BTC_WIF": "<BTC_WIF>",
"ETH_RPC_URL": "<ETH_RPC_URL>",
"ETH_PRIVATE_KEY": "<ETH_PRIVATE_KEY>"
}
}
}
}{
"servers": {
"agentic-pay": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@shieldcubed/[email protected]"
],
"env": {
"AGENTIC_PAY_AGENT_ID": "<AGENTIC_PAY_AGENT_ID>",
"AGENTIC_PAY_CONFIG": "<AGENTIC_PAY_CONFIG>",
"BTC_WIF": "<BTC_WIF>",
"ETH_RPC_URL": "<ETH_RPC_URL>",
"ETH_PRIVATE_KEY": "<ETH_PRIVATE_KEY>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
AGENTIC_PAY_AGENT_IDOptional | Identifier for this agent, used to look up its spend-limit policy in config.json. |
AGENTIC_PAY_CONFIGOptional | Absolute path to your config.json (spend limits, API keys, static prices). Defaults to config/config.json in the install directory. |
BTC_WIFOptional, secret | WIF-encoded Bitcoin private key for the funding wallet. Only required if using the BTC rail. |
ETH_RPC_URLOptional | EVM JSON-RPC endpoint URL. Only required if using the ETH/USDT/USDC rails. |
ETH_PRIVATE_KEYOptional, secret | 0x-prefixed Ethereum private key for the funding wallet. Only required if using the ETH/USDT/USDC rails. |
Details
| Package | @shieldcubed/[email protected] (NPM, stdio) |
| First published | 12 Jul 2026 |
| Last updated | 12 Jul 2026 |
| Registry name | io.github.ShieldCubed/agentic-pay |
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