Arc Treasury MCP Server
xyz.honeycheck/arc-treasury-mcpv1.0.1
What USDC and EURC really earn on Arc, by deposit size: Aave v4 and Morpho read directly. x402.
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Active20d ago
Install Arc Treasury MCP server
Install in Claude Code
claude mcp add arc-treasury -e PAY_WALLET_KEY='<pay-wallet-key>' -- npx -y arc-treasury-mcpInstall in Cursor
{
"mcpServers": {
"arc-treasury": {
"command": "npx",
"args": [
"-y",
"arc-treasury-mcp"
],
"env": {
"PAY_WALLET_KEY": "<pay-wallet-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"arc-treasury": {
"command": "npx",
"args": [
"-y",
"arc-treasury-mcp"
],
"env": {
"PAY_WALLET_KEY": "<pay-wallet-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"arc-treasury": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"arc-treasury-mcp"
],
"env": {
"PAY_WALLET_KEY": "<pay-wallet-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"arc-treasury": {
"command": "npx",
"args": [
"-y",
"arc-treasury-mcp"
],
"env": {
"PAY_WALLET_KEY": "<pay-wallet-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| PAY_WALLET_KEY | — | yes | Optional. Private key of a funded Circle Gateway wallet, for the paid tools. Free tools need nothing. |
| PAY_CHAIN | — | — | Optional. Where that wallet holds USDC: arc, base, arbitrum or hyperEvm. Default arc. |
| PAY_MAX_USDC_PER_CALL | — | — | Optional. The most one call may cost before the tool refuses to pay. Default 0.05. |
Freshness
Active — last maintenance signal 20d ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-19 · 20d ago · official registry · v1.0.1
FAQ
›How do I install the Arc Treasury MCP server in Claude Code?
Run: claude mcp add arc-treasury -e PAY_WALLET_KEY='<pay-wallet-key>' -- npx -y arc-treasury-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Arc Treasury require an API key?
Yes. It expects PAY_WALLET_KEY, of which 1 is a secret.
›Can I use Arc Treasury as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Arc Treasury in the official MCP registry?
Yes, as xyz.honeycheck/arc-treasury-mcp.