Lexup MCP
MCP URL: https://mcp.lexup.org/mcp
Transport: Streamable HTTP
Auth: OAuth (Sign in with Lexup). Not an API key.
Docs: https://lexup.org/docs/mcp
Discovery: https://lexup.org/.well-known/mcp.json

Do not use https://lexup.org/mcp or https://api.lexup.org/mcp as the connector URL.
Unauthenticated POST/GET /mcp returns 401 and OAuth discovery (correct handshake).