MCP server for PayPerByte — pay-per-call USDC data feeds for AI agents (x402 on Base; EIP-712 attestations). No API keys, no token.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add byte-protocol --env PRIVATE_KEY='<PRIVATE_KEY>' -- npx -y byte-mcp-server~/.codex/config.toml
[mcp_servers.byte-protocol]
command = "npx"
args = ["-y", "byte-mcp-server"]
env = { PRIVATE_KEY = "<PRIVATE_KEY>" }
# codex mcp add byte-protocol --env PRIVATE_KEY='<PRIVATE_KEY>' -- npx -y byte-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"byte-protocol": {
"command": "npx",
"args": [
"-y",
"byte-mcp-server"
],
"env": {
"PRIVATE_KEY": "<PRIVATE_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"byte-protocol": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"byte-mcp-server"
],
"env": {
"PRIVATE_KEY": "<PRIVATE_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"byte-protocol": {
"command": "npx",
"args": [
"-y",
"byte-mcp-server"
],
"env": {
"PRIVATE_KEY": "<PRIVATE_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"byte-protocol": {
"command": "npx",
"args": [
"-y",
"byte-mcp-server"
],
"env": {
"PRIVATE_KEY": "<PRIVATE_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"byte-protocol": {
"command": "npx",
"args": [
"-y",
"byte-mcp-server"
],
"env": {
"PRIVATE_KEY": "<PRIVATE_KEY>"
}
}
}
}Remote
claude mcp add --transport http byte-protocol https://mcp.payperbyte.io/mcp~/.codex/config.toml
[mcp_servers.byte-protocol]
url = "https://mcp.payperbyte.io/mcp"
# codex mcp add byte-protocol --url https://mcp.payperbyte.io/mcp~/.cursor/mcp.json
{
"mcpServers": {
"byte-protocol": {
"url": "https://mcp.payperbyte.io/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"byte-protocol": {
"type": "http",
"url": "https://mcp.payperbyte.io/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"byte-protocol": {
"httpUrl": "https://mcp.payperbyte.io/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"byte-protocol": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.payperbyte.io/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"byte-protocol": {
"url": "https://mcp.payperbyte.io/mcp"
}
}
}Environment variables
PRIVATE_KEY
Replace the placeholders with your own credentials and keep them out of version control.