Swarm X402 MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 518 installs a week from npm. Last commit 7 Oct 2026.
Pay-per-call x402 services from SWARM: repo scans, web research. USDC on Base.
Today is the operative word: we check Swarm X402 MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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 swarm-x402-mcp -- npx -y swarm-x402-mcp
{
"mcpServers": {
"swarm-x402-mcp": {
"args": [
"-y",
"swarm-x402-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.swarm-x402-mcp]
command = "npx"
args = ["-y", "swarm-x402-mcp"]
{
"mcpServers": {
"swarm-x402-mcp": {
"args": [
"-y",
"swarm-x402-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"swarm-x402-mcp": {
"args": [
"-y",
"swarm-x402-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
SWARM_WALLET_KEY (Private key of a dedicated wallet with a little USDC on Base. Without it, tools only quote.), SWARM_MAX_USD (Refuse any call priced above this many dollars (default 1).).
The author declared them in the registry entry; get the values from the project itself.
22 AI microservices with x402 micropayments: summarize, translate, code-review. USDC on Base.
Pay-per-call MCP tools via x402 (USDC on Base): QR codes, images, text analysis, web fetch.
Economic reports for 20 economies, 2015-2025. Search free, pay per fetch in USDC on Base via x402.
Pay-per-call DNS, WHOIS/RDAP, IP and domain reports for agents. x402 USDC on Base or Algorand.
x402 pay-per-call API gateway for AI agents (USDC on Base): Korean real estate, weather, holidays.
45 pay-per-call AI agent tools: scraping, SEO, crypto data, lint, agent memory. x402 USDC on Base.
On-chain data for agents: token reports, contract DD, pool risk, wallet profile - USDC per call.
Paid EU AI Act compliance reports for agents. $1.50 per call via x402 (USDC on Base) or Stripe.
Answers built from our own checks of this server.