docs: clarify remote MCP (Streamable HTTP, no stdio / no self-hosting)

README and AGENTS now say "remote MCP server" everywhere so users
know RoxyAPI MCP runs over Streamable HTTP at roxyapi.com/mcp/{slug},
not a locally installed stdio server.

Author: ph33nx

AGENTS.md

@@ -220,7 +220,7 @@ DST matters. If the birth date falls inside a daylight-saving window, use the su
 
 ## MCP equivalents
 
-Every method has a matching MCP tool. MCP server per domain is at `https://roxyapi.com/mcp/{domain}-api`. Tool names follow `{method}_{path_snake_case}`, for example:
+Every method has a matching MCP tool. The remote MCP server per domain is at `https://roxyapi.com/mcp/{domain}-api` (Streamable HTTP, no stdio / no self-hosting). Tool names follow `{method}_{path_snake_case}`, for example:
 
 - `POST /astrology/natal-chart` -> `post_astrology_natal_chart` on `/mcp/astrology-api`
 - `GET /astrology/horoscope/{sign}/daily` -> `get_astrology_horoscope_sign_daily` on `/mcp/astrology-api`

README.md

@@ -297,7 +297,7 @@ with create_roxy("your-api-key") as roxy:
 
 This package ships with `AGENTS.md` bundled alongside the source so AI coding agents can read the SDK patterns, common tasks, and gotchas directly.
 
-Also available: [MCP server](https://roxyapi.com/docs/mcp) per domain at `https://roxyapi.com/mcp/{domain}-api` for agents that speak the Model Context Protocol.
+Also available: [remote MCP server](https://roxyapi.com/docs/mcp) per domain at `https://roxyapi.com/mcp/{domain}-api` (Streamable HTTP, no stdio / no self-hosting) for agents that speak the Model Context Protocol.
 
 ## Links