Fermat for VS Code

xyz.phase.ai/gateway

OpenAI-compatible LLM gateway: pay per request with an API key, signed receipt for each call.

client:VS Code transport:streamable-http tools:7

Install Fermat in VS Code

.vscode/mcp.json

{
  "servers": {
    "gateway": {
      "type": "http",
      "url": "https://mcp.fermat.ai.phase.xyz/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs