Hosted remote MCP for the Black_Wall x402 payment-risk oracle — add a URL, get GO/HOLD/STOP + a verifiable receipt. No install.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add --transport http blackwall-x402-guardrail https://mcp.blackwalltier.com~/.codex/config.toml
[mcp_servers.blackwall-x402-guardrail]
url = "https://mcp.blackwalltier.com"
# codex mcp add blackwall-x402-guardrail --url https://mcp.blackwalltier.com~/.cursor/mcp.json
{
"mcpServers": {
"blackwall-x402-guardrail": {
"url": "https://mcp.blackwalltier.com"
}
}
}.vscode/mcp.json
{
"servers": {
"blackwall-x402-guardrail": {
"type": "http",
"url": "https://mcp.blackwalltier.com"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"blackwall-x402-guardrail": {
"httpUrl": "https://mcp.blackwalltier.com"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"blackwall-x402-guardrail": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.blackwalltier.com"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"blackwall-x402-guardrail": {
"url": "https://mcp.blackwalltier.com"
}
}
}