# change feed

The change feed as Server-Sent Events, and the tool calls MCP servers report.

## Operations

- [Record an agent's tool call in the change feed (`tool_call` events): what an MCP server reports after each call, its own tools included (`served_by`). Any token may call it.](https://datanotes.dev/api/operations/record_tool_call/): `POST /datanotes/tool-calls/record/`
- [The change feed as Server-Sent Events (id = sequence number). Resumes from Last-Event-ID or `since`.](https://datanotes.dev/api/operations/changes_stream/): `GET /datanotes/changes/stream`