Obol runs on your own machine — the client starts it, so there is no endpoint to ping. 54 installs a week from npm. Last commit 1 Aug 2026.
Find, pay for & call APIs in USDC from AI agents - gasless, sub-cent, 0% commission.
Nothing serious here today
Today is the operative word: we check Obol every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add obol -e 'OBOL_API_KEY=<OBOL_API_KEY>' -- npx -y @superbigroach/obol-mcp{
"mcpServers": {
"obol": {
"command": "npx",
"args": [
"-y",
"@superbigroach/obol-mcp"
],
"env": {
"OBOL_API_KEY": "<OBOL_API_KEY>"
}
}
}
}[mcp_servers.obol]
command = "npx"
args = ["-y", "@superbigroach/obol-mcp"]
env = { OBOL_API_KEY = "<OBOL_API_KEY>" }{
"mcpServers": {
"obol": {
"command": "npx",
"args": [
"-y",
"@superbigroach/obol-mcp"
],
"env": {
"OBOL_API_KEY": "<OBOL_API_KEY>"
}
}
}
}{
"servers": {
"obol": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@superbigroach/obol-mcp"
],
"env": {
"OBOL_API_KEY": "<OBOL_API_KEY>"
}
}
}
}Put your own value in place of
<OBOL_API_KEY> (Your Obol API key (obl_sk_live_...) from obol-arc.web.app/settings — identifies your account for listing services and metered calls).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
OBOL_AGENT_KEY (32-byte hex Arc wallet private key that signs gasless x402/EIP-3009 payment authorizations. Needed only for paying (pay_and_call); discovery and listing work without it).
Alternatives to Obol
same job, measured the same wayPay-per-call APIs for AI agents: queries, storage, ads. Billed in USDC via x402.
Payments for AI agents: gasless USDC on Base + JIT single-use virtual cards, PAN never in context.
Let AI agents find x402 APIs and pay per call in USDG or $AUTONOMO on Robinhood Chain.
Rent a Linux VPS from an AI agent: provision, SSH in, run commands. Pay USDC (x402) or card.
23 pay-per-call AI APIs for agents: x402, USDC on Base, no API keys.
Pay-per-call USDA nutrition for AI agents (x402 micropayments in USDC on Base).
Wallet and payments for AI agents: auto-pay x402 APIs in USDC on XDC, within on-chain limits.
63 production tools for AI agents — one API key, pay per call in USDC (x402) or Stripe credits.
Obol — questions
Answers built from our own checks of this server.