MCP server for Circle — USDC payments, wallets, payouts, transfers
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add circle --env CIRCLE_API_KEY='<CIRCLE_API_KEY>' -- npx -y @codespar/mcp-circle~/.codex/config.toml
[mcp_servers.circle]
command = "npx"
args = ["-y", "@codespar/mcp-circle"]
env = { CIRCLE_API_KEY = "<CIRCLE_API_KEY>" }
# codex mcp add circle --env CIRCLE_API_KEY='<CIRCLE_API_KEY>' -- npx -y @codespar/mcp-circle~/.cursor/mcp.json
{
"mcpServers": {
"circle": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-circle"
],
"env": {
"CIRCLE_API_KEY": "<CIRCLE_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"circle": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@codespar/mcp-circle"
],
"env": {
"CIRCLE_API_KEY": "<CIRCLE_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"circle": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-circle"
],
"env": {
"CIRCLE_API_KEY": "<CIRCLE_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"circle": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-circle"
],
"env": {
"CIRCLE_API_KEY": "<CIRCLE_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"circle": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-circle"
],
"env": {
"CIRCLE_API_KEY": "<CIRCLE_API_KEY>"
}
}
}
}Environment variables
CIRCLE_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.