Source Intelligence
Sweep 28 Aug 2026 ยท 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Hooks reference

hooks

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Nearest release: v2.1.233, published 10 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

hooks Changed · +1 / -1 lines

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from line 2251
 
 ### TaskCreated
 
-Runs when a task is being created via the `TaskCreate` tool. Use this to enforce naming conventions, require task descriptions, or prevent certain tasks from being created.
+Runs when a task is being created via the `TaskCreate` tool. Use this to enforce naming conventions, require task descriptions, or prevent certain tasks from being created. In a [session without the Task tools](/docs/en/tools-reference#task-tool-availability), this event doesn't fire.
 
 TaskCreated hooks don't support matchers and fire on every occurrence.
 
from line 3221
 | `model`   | no       | Model to use. Defaults to a fast model                                                      |
 | `timeout` | no       | Timeout in seconds. Default: 60                                                             |
 
-The response schema is `{ "ok": true }` to allow or `{ "ok": false, "reason": "..." }` to block. On `ok: false`, Claude Code handles an agent hook the way it handles a [prompt hook with `continueOnBlock: true`](#response-schema) on the same event; agent hooks have no `continueOnBlock` field, and don't support the prompt-hook `impossible` field.
+The response schema is `{ "ok": true }` to allow or `{ "ok": false, "reason": "..." }` to block. On `ok: false`, Claude Code handles an agent hook the way it handles a [prompt hook with `continueOnBlock: true`](#response-schema) on t