x402 counterparty risk-scoring MCP tool — assess before you pay
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add 402sentinel --env CLIENT_PRIVATE_KEY='<CLIENT_PRIVATE_KEY>' --env SENTINEL_URL='<SENTINEL_URL>' -- npx -y @kaditang/402sentinel-mcp~/.codex/config.toml
[mcp_servers.402sentinel]
command = "npx"
args = ["-y", "@kaditang/402sentinel-mcp"]
env = { CLIENT_PRIVATE_KEY = "<CLIENT_PRIVATE_KEY>", SENTINEL_URL = "<SENTINEL_URL>" }
# codex mcp add 402sentinel --env CLIENT_PRIVATE_KEY='<CLIENT_PRIVATE_KEY>' --env SENTINEL_URL='<SENTINEL_URL>' -- npx -y @kaditang/402sentinel-mcp~/.cursor/mcp.json
{
"mcpServers": {
"402sentinel": {
"command": "npx",
"args": [
"-y",
"@kaditang/402sentinel-mcp"
],
"env": {
"CLIENT_PRIVATE_KEY": "<CLIENT_PRIVATE_KEY>",
"SENTINEL_URL": "<SENTINEL_URL>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"402sentinel": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@kaditang/402sentinel-mcp"
],
"env": {
"CLIENT_PRIVATE_KEY": "<CLIENT_PRIVATE_KEY>",
"SENTINEL_URL": "<SENTINEL_URL>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"402sentinel": {
"command": "npx",
"args": [
"-y",
"@kaditang/402sentinel-mcp"
],
"env": {
"CLIENT_PRIVATE_KEY": "<CLIENT_PRIVATE_KEY>",
"SENTINEL_URL": "<SENTINEL_URL>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"402sentinel": {
"command": "npx",
"args": [
"-y",
"@kaditang/402sentinel-mcp"
],
"env": {
"CLIENT_PRIVATE_KEY": "<CLIENT_PRIVATE_KEY>",
"SENTINEL_URL": "<SENTINEL_URL>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"402sentinel": {
"command": "npx",
"args": [
"-y",
"@kaditang/402sentinel-mcp"
],
"env": {
"CLIENT_PRIVATE_KEY": "<CLIENT_PRIVATE_KEY>",
"SENTINEL_URL": "<SENTINEL_URL>"
}
}
}
}Environment variables
CLIENT_PRIVATE_KEYSENTINEL_URL
Replace the placeholders with your own credentials and keep them out of version control.