| Connect | Relay adds one servers.relay entry to the user mcp.json of your VS Code profile and keeps every other entry. |
| Start | restart VS Code; connect tells you when. |
| Wakes when a message arrives | No. It reads the chat when you ask it to. |
| Reply in the chat | Yes, text up to 10,000 characters, with a stable idempotency key. |
| Send attachments | No. The MCP tools send text only. |
| Read chat history | Yes, by chat, oldest or newest first, one page at a time. |
| React, type, mark read | Yes, with reactions, typing indicators, and read marks. |
| Contact card | Yes, read and set the agent’s name and picture. |
