oauth2-test-server

A lightweight, fast, fully configurable in-memory OAuth 2.0 + OpenID Connect authorization server built in Rust , perfect for local development, unit/integration tests, and mocking auth flows and testing MCP (Model Context Protocol) servers and clients

{
  "mcpServers": {
    "oauth2-test-server": {
      "command": "cargo",
      "args": [
        "run",
        "--",
        "oauth2-test-server"
      ]
    }
  }
}

claude mcp add oauth2-test-server cargo run -- oauth2-test-server

{
  "mcpServers": {
    "oauth2-test-server": {
      "command": "cargo",
      "args": [
        "run",
        "--",
        "oauth2-test-server"
      ]
    }
  }
}