Stored only in this browser and sent with each request. Get one at openrouter.ai/keys.
Connect MCP servers to give the model tools. Remote servers use Streamable HTTP (falls back to SSE). Tool calls run on this app's server.
Authorization: Bearer …
Reusable instruction sets the model can pull up on its own when relevant — it sees the names and descriptions below, and loads the full instructions mid-chat as needed. Add more by dropping a folder with a SKILL.md into skills/.
SKILL.md
skills/