IBM Granite via x402 MCP Server

What this does

IBM Granite via x402 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:

MCP_SVM_PAYMENT_ADDRESS
WATSONX_API_KEY
WATSONX_PROJECT_ID
WATSONX_SPACE_ID
WATSONX_URL
WATSONX_MODEL_ID
WATSONX_EMBED_MODEL_ID
X402_FEE_PAYER_SOLANA
X402_FACILITATOR_URL

Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).

How do I install IBM Granite via x402?

Run the Claude Code command in the install section to add IBM Granite via x402 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 IBM Granite via x402?

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 IBM Granite via x402 as well.

Does IBM Granite via x402 need an API key?

Yes. Before it can run, set these environment variables: MCP_SVM_PAYMENT_ADDRESS, WATSONX_API_KEY, WATSONX_PROJECT_ID, WATSONX_SPACE_ID, WATSONX_URL, WATSONX_MODEL_ID, WATSONX_EMBED_MODEL_ID, X402_FEE_PAYER_SOLANA, X402_FACILITATOR_URL. They go in the env block of your MCP config.