MCP server for Gate402: pay-per-call agent APIs over x402. Open-model LLM inference, Base trading data, SEC filings and web scraping. 20 tools, free tier, no signup.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add gate402 --env GATE402_API_KEY='<GATE402_API_KEY>' -- npx -y gate402-mcp~/.codex/config.toml
[mcp_servers.gate402]
command = "npx"
args = ["-y", "gate402-mcp"]
env = { GATE402_API_KEY = "<GATE402_API_KEY>" }
# codex mcp add gate402 --env GATE402_API_KEY='<GATE402_API_KEY>' -- npx -y gate402-mcp~/.cursor/mcp.json
{
"mcpServers": {
"gate402": {
"command": "npx",
"args": [
"-y",
"gate402-mcp"
],
"env": {
"GATE402_API_KEY": "<GATE402_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"gate402": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"gate402-mcp"
],
"env": {
"GATE402_API_KEY": "<GATE402_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"gate402": {
"command": "npx",
"args": [
"-y",
"gate402-mcp"
],
"env": {
"GATE402_API_KEY": "<GATE402_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"gate402": {
"command": "npx",
"args": [
"-y",
"gate402-mcp"
],
"env": {
"GATE402_API_KEY": "<GATE402_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"gate402": {
"command": "npx",
"args": [
"-y",
"gate402-mcp"
],
"env": {
"GATE402_API_KEY": "<GATE402_API_KEY>"
}
}
}
}Environment variables
GATE402_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.