Guarded CLI, TypeScript client, and MCP server for JustHandled x402 agent utilities
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add justhandled-agent-utility-gateway --env JH_EVM_PRIVATE_KEY='<JH_EVM_PRIVATE_KEY>' -- npx -y @justhandledlabs/agent-client~/.codex/config.toml
[mcp_servers.justhandled-agent-utility-gateway]
command = "npx"
args = ["-y", "@justhandledlabs/agent-client"]
env = { JH_EVM_PRIVATE_KEY = "<JH_EVM_PRIVATE_KEY>" }
# codex mcp add justhandled-agent-utility-gateway --env JH_EVM_PRIVATE_KEY='<JH_EVM_PRIVATE_KEY>' -- npx -y @justhandledlabs/agent-client~/.cursor/mcp.json
{
"mcpServers": {
"justhandled-agent-utility-gateway": {
"command": "npx",
"args": [
"-y",
"@justhandledlabs/agent-client"
],
"env": {
"JH_EVM_PRIVATE_KEY": "<JH_EVM_PRIVATE_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"justhandled-agent-utility-gateway": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@justhandledlabs/agent-client"
],
"env": {
"JH_EVM_PRIVATE_KEY": "<JH_EVM_PRIVATE_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"justhandled-agent-utility-gateway": {
"command": "npx",
"args": [
"-y",
"@justhandledlabs/agent-client"
],
"env": {
"JH_EVM_PRIVATE_KEY": "<JH_EVM_PRIVATE_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"justhandled-agent-utility-gateway": {
"command": "npx",
"args": [
"-y",
"@justhandledlabs/agent-client"
],
"env": {
"JH_EVM_PRIVATE_KEY": "<JH_EVM_PRIVATE_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"justhandled-agent-utility-gateway": {
"command": "npx",
"args": [
"-y",
"@justhandledlabs/agent-client"
],
"env": {
"JH_EVM_PRIVATE_KEY": "<JH_EVM_PRIVATE_KEY>"
}
}
}
}Environment variables
JH_EVM_PRIVATE_KEY
Replace the placeholders with your own credentials and keep them out of version control.