PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token.
To add byte-protocol to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 3 environment variables, listed below.
Install
npx -y byte-mcp-server@0.13.0Environment variables
PRIVATE_KEYSet in your MCP configRPC_URLSet in your MCP configBYTE_GATEWAY_ATTESTERSet in your MCP configInstall with your client
claude mcp add byte-protocol --env PRIVATE_KEY=<YOUR_PRIVATE_KEY> --env RPC_URL=<YOUR_RPC_URL> --env BYTE_GATEWAY_ATTESTER=<YOUR_BYTE_GATEWAY_ATTESTER> -- npx -y byte-mcp-server@0.13.0
Run this in a terminal to add the server to Claude Code.
What this does
byte-protocol exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
PRIVATE_KEY RPC_URL BYTE_GATEWAY_ATTESTER
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install byte-protocol?
Run the Claude Code command in the install section to add byte-protocol to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with byte-protocol?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to byte-protocol as well.
Does byte-protocol need an API key?
Yes. Before it can run, set these environment variables: PRIVATE_KEY, RPC_URL, BYTE_GATEWAY_ATTESTER. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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