MCP Circle runs on your own machine — the client starts it, so there is no endpoint to ping. 21 installs a week from npm. Last commit 29 Aug 2026.
MCP server for Circle — USDC payments, wallets, payouts, transfers
Today is the operative word: we check MCP Circle 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 mcp-circle -- npx -y @codespar/mcp-circle
{
"mcpServers": {
"mcp-circle": {
"args": [
"-y",
"@codespar/mcp-circle"
],
"command": "npx"
}
}
}
[mcp_servers.mcp-circle]
command = "npx"
args = ["-y", "@codespar/mcp-circle"]
{
"mcpServers": {
"mcp-circle": {
"args": [
"-y",
"@codespar/mcp-circle"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"mcp-circle": {
"args": [
"-y",
"@codespar/mcp-circle"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
CIRCLE_API_KEY (API key for circle).
The author declared them in the registry entry; get the values from the project itself.
MCP server for Celcoin — Pix, boleto, transfers, bill payments, top-ups
MCP server for Stone — open banking, payments, Pix, transfers
MCP server for Zoop — marketplace payments, splits, sellers, buyers, transfers
MCP server for Airwallex — cross-border collection + payouts, global accounts, FX, transfers
MCP server for UnblockPay — fiat-to-stablecoin onramp/offramp, wallets, transfers
MCP server for Coinbase Developer Platform (CDP) — Trading, Wallets, Payments under one CDP key
MCP server for Khipu — Chilean instant bank-transfer payments (complements Transbank cards)
MCP server for EBANX — cross-border payments, payouts, exchange rates
Answers built from our own checks of this server.