CRA AGENT MCP Server
by giupy997io.github.giupy997/cra-agentv0.0.11
MCP server and CLI that let an AI agent pay for x402 APIs in USDC on Arc, under a spending policy the model cannot change.
context tax
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security
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freshness
Active2d ago
Install CRA AGENT MCP server
Install in Claude Code
claude mcp add giupy997 -e CRA_NETWORK=arcTestnet -e CRA_KEY_FILE='<cra-key-file>' -- npx -y @cra-agent/mcpInstall in Cursor
{
"mcpServers": {
"giupy997": {
"command": "npx",
"args": [
"-y",
"@cra-agent/mcp"
],
"env": {
"CRA_NETWORK": "arcTestnet",
"CRA_KEY_FILE": "<cra-key-file>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"giupy997": {
"command": "npx",
"args": [
"-y",
"@cra-agent/mcp"
],
"env": {
"CRA_NETWORK": "arcTestnet",
"CRA_KEY_FILE": "<cra-key-file>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"giupy997": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cra-agent/mcp"
],
"env": {
"CRA_NETWORK": "arcTestnet",
"CRA_KEY_FILE": "<cra-key-file>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"giupy997": {
"command": "npx",
"args": [
"-y",
"@cra-agent/mcp"
],
"env": {
"CRA_NETWORK": "arcTestnet",
"CRA_KEY_FILE": "<cra-key-file>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| CRA_NETWORK | yes | — | arc (mainnet) or arcTestnet |
| CRA_KEY_FILE | yes | — | Path to a chmod 600 file holding the agent's private key. Never put the key in a prompt. |
| CRA_POLICY | — | — | Spending limits, e.g. daily=5,per_seller=0.5,per_payment=0.05 |
| CRA_RPC_URL | — | — | Optional RPC endpoints, comma separated, in priority order |
| DATABASE_URL | — | — | Optional Postgres for the ledger; in memory without it |
Freshness
Active — last maintenance signal 2d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-08 · 2d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-23 · 16d ago · official registry · v0.0.11
FAQ
›How do I install the CRA AGENT MCP server in Claude Code?
Run: claude mcp add giupy997 -e CRA_NETWORK=arcTestnet -e CRA_KEY_FILE='<cra-key-file>' -- npx -y @cra-agent/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does CRA AGENT require an API key?
Yes. It expects CRA_NETWORK, CRA_KEY_FILE.
›Can I use CRA AGENT as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is CRA AGENT in the official MCP registry?
Yes, as io.github.giupy997/cra-agent.