x402_pay — Foundry: prepaid AI compute in USDF MCP Tool
x402_pay
(x402 pay) is one of 10 tools on the
Foundry: prepaid AI compute in USDF
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call x402_pay from your client
- Claude Code Foundry: prepaid AI compute in USDF x402_pay run in your project directory
- Claude Desktop Foundry: prepaid AI compute in USDF x402_pay ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Foundry: prepaid AI compute in USDF x402_pay ~/.cursor/mcp.json
- VS Code Foundry: prepaid AI compute in USDF x402_pay .vscode/mcp.json
- Zed Foundry: prepaid AI compute in USDF x402_pay ~/.config/zed/settings.json
- Windsurf Foundry: prepaid AI compute in USDF x402_pay ~/.codeium/windsurf/mcp_config.json
- Cline Foundry: prepaid AI compute in USDF x402_pay ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Foundry: prepaid AI compute in USDF x402_pay ~/.gemini/settings.json
- Grok Foundry: prepaid AI compute in USDF x402_pay .mcp.json (in your project root)
- ChatGPT Foundry: prepaid AI compute in USDF x402_pay Settings → Connectors → Advanced → Developer mode
- Claude.ai Foundry: prepaid AI compute in USDF x402_pay Settings → Connectors → Add custom connector
- LangChain Foundry: prepaid AI compute in USDF x402_pay pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http gateway https://api.usdf.fi/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 16 October 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.