Relay MCP server (@relaygpu/mcp): stdio package + hosted Streamable HTTP, on @relaygpu/client
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add relay-relaygpu --env RELAY_API_KEY='<RELAY_API_KEY>' -- npx -y @relaygpu/mcp~/.codex/config.toml
[mcp_servers.relay-relaygpu]
command = "npx"
args = ["-y", "@relaygpu/mcp"]
env = { RELAY_API_KEY = "<RELAY_API_KEY>" }
# codex mcp add relay-relaygpu --env RELAY_API_KEY='<RELAY_API_KEY>' -- npx -y @relaygpu/mcp~/.cursor/mcp.json
{
"mcpServers": {
"relay-relaygpu": {
"command": "npx",
"args": [
"-y",
"@relaygpu/mcp"
],
"env": {
"RELAY_API_KEY": "<RELAY_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"relay-relaygpu": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@relaygpu/mcp"
],
"env": {
"RELAY_API_KEY": "<RELAY_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"relay-relaygpu": {
"command": "npx",
"args": [
"-y",
"@relaygpu/mcp"
],
"env": {
"RELAY_API_KEY": "<RELAY_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"relay-relaygpu": {
"command": "npx",
"args": [
"-y",
"@relaygpu/mcp"
],
"env": {
"RELAY_API_KEY": "<RELAY_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"relay-relaygpu": {
"command": "npx",
"args": [
"-y",
"@relaygpu/mcp"
],
"env": {
"RELAY_API_KEY": "<RELAY_API_KEY>"
}
}
}
}Remote
claude mcp add --transport http relay-relaygpu https://mcp.relaygpu.com/mcp --header 'X-API-Key: <X_API_KEY>'~/.codex/config.toml
[mcp_servers.relay-relaygpu]
url = "https://mcp.relaygpu.com/mcp"
http_headers = { X-API-Key = "<X_API_KEY>" }
# codex mcp add relay-relaygpu --url https://mcp.relaygpu.com/mcp~/.cursor/mcp.json
{
"mcpServers": {
"relay-relaygpu": {
"url": "https://mcp.relaygpu.com/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"relay-relaygpu": {
"type": "http",
"url": "https://mcp.relaygpu.com/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"relay-relaygpu": {
"httpUrl": "https://mcp.relaygpu.com/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"relay-relaygpu": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.relaygpu.com/mcp",
"--header",
"X-API-Key:<X_API_KEY>"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"relay-relaygpu": {
"url": "https://mcp.relaygpu.com/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}Environment variables
RELAY_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.