MCP server exposing 37+ Coin Railz x402 micropayment crypto services to Claude
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add coinrailz --env COINRAILZ_API_KEY='<COINRAILZ_API_KEY>' -- uvx coinrailz-mcp~/.codex/config.toml
[mcp_servers.coinrailz]
command = "uvx"
args = ["coinrailz-mcp"]
env = { COINRAILZ_API_KEY = "<COINRAILZ_API_KEY>" }
# codex mcp add coinrailz --env COINRAILZ_API_KEY='<COINRAILZ_API_KEY>' -- uvx coinrailz-mcp~/.cursor/mcp.json
{
"mcpServers": {
"coinrailz": {
"command": "uvx",
"args": [
"coinrailz-mcp"
],
"env": {
"COINRAILZ_API_KEY": "<COINRAILZ_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"coinrailz": {
"type": "stdio",
"command": "uvx",
"args": [
"coinrailz-mcp"
],
"env": {
"COINRAILZ_API_KEY": "<COINRAILZ_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"coinrailz": {
"command": "uvx",
"args": [
"coinrailz-mcp"
],
"env": {
"COINRAILZ_API_KEY": "<COINRAILZ_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"coinrailz": {
"command": "uvx",
"args": [
"coinrailz-mcp"
],
"env": {
"COINRAILZ_API_KEY": "<COINRAILZ_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"coinrailz": {
"command": "uvx",
"args": [
"coinrailz-mcp"
],
"env": {
"COINRAILZ_API_KEY": "<COINRAILZ_API_KEY>"
}
}
}
}Remote
claude mcp add --transport http coinrailz https://coinrailz-mcp--travis-kellogg1.run.tools~/.codex/config.toml
[mcp_servers.coinrailz]
url = "https://coinrailz-mcp--travis-kellogg1.run.tools"
# codex mcp add coinrailz --url https://coinrailz-mcp--travis-kellogg1.run.tools~/.cursor/mcp.json
{
"mcpServers": {
"coinrailz": {
"url": "https://coinrailz-mcp--travis-kellogg1.run.tools"
}
}
}.vscode/mcp.json
{
"servers": {
"coinrailz": {
"type": "http",
"url": "https://coinrailz-mcp--travis-kellogg1.run.tools"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"coinrailz": {
"httpUrl": "https://coinrailz-mcp--travis-kellogg1.run.tools"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"coinrailz": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://coinrailz-mcp--travis-kellogg1.run.tools"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"coinrailz": {
"url": "https://coinrailz-mcp--travis-kellogg1.run.tools"
}
}
}Environment variables
COINRAILZ_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.