Fermat for Claude Desktop
xyz.phase.ai/gateway
OpenAI-compatible LLM gateway: pay per request with an API key, signed receipt for each call.
client:Claude Desktop
transport:streamable-http
tools:7
Install Fermat in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"gateway": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.fermat.ai.phase.xyz/mcp"
]
}
}
}Claude Desktop has no remote transport in its config file, so this bridges through mcp-remote. Restart the app after saving. Claude Desktop docs