3. MCP Server Reference › 3.3 Engine › Versions › engine_history_content

Gives out one saved version of a file: whose it is and its body.

The Right

“Direct access → Development → Read data” (AGENT_ENGINE_DEV_READ).

Parameters

Parameter Type What it is
id number the number of the version from engine_history_list

The Answer

Two blocks: the data in JSON, then the body of the version as text — as it is, with no escaping.

{"id": 7, "path": "./../templates/default/statics/melbis/main.css",
 "time": "2026-09-16 21:18:40", "user": "Administrator"}
Field What it is
id the number of the version
path the path of the file the version belongs to
time when the version was saved
user who saved it; empty if there is no such user in the store any more

The version of an empty file comes with no text block.

Refusals

Answer When
Version not found: <id> there is no version with this number: either there never was one or it has been deleted beyond the limit of keeping
id is required (take it from engine_history_list) id is not given, or it is not greater than zero

The common refusals — “Answers and Refusals”.