--include-hook-events
A Claude Code CLI flag, read out of the shipped bundle. It has been in the build since v2.1.138, including the newest one read.
What it is
Include hook lifecycle events in the output stream. SessionStart and Setup hook events are always included and don't need this flag. Some hook events, such as Notification, SessionEnd, PreCompact, and PostCompact, never produce a hook_started event, even with this flag. For those events, Claude Code still emits hook_progress while a command hook that runs for more than a second produces output, and emits hook_response only when a [hook that runs in the background](/docs/en/hooks#run-hooks-in-the-background) finishes. Requires --output-format stream-json
Anthropic's own wording. Read off CLI reference, captured 2026-08-28.
Presence across releases
| Releases | Reading | Declared type | Default |
|---|---|---|---|
| 2.1.245 – 2.1.250 5 releases | never mined | — | — |
| 2.1.138 – 2.1.243 95 releases | in the build | — | — |
A row reading never mined is a release with no archived bundle behind it. Nothing was read out of it, so nothing here says whether the name was in it. A declared type or a default is only ever what that release's own bundle stated.
Changelog entries naming it
No changelog entry here has ever named it. That is a statement about what has been written, not about the name: it has been in the build since v2.1.138 without anybody writing a line about it.
Documentation pages
- CLI reference reference table Claude Code CLI
A reference table page is one whose own table defines this name, and it is where the description above came from. A page that mentions it carries the name somewhere in its text and may say nothing about it at all. Every page carrying it.
Names beside it
Every CLI flag in the inventory starting --include, up to twelve of them.
--include-partial-messagesInclude partial streaming events in output. Requires --print and --output-format stream-json 2.1.138
--includesAgent worktrees now ignore repo-supplied filter programs, and refuse to build when git config looks risky. never mined
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the CLI flag does. All CLI flags.