Create Agent changedapi/beta/agents/create
Nearest release: v2.1.238, published under an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Recorded here
Lines+6added
Lines−4removed
From line
17
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits25to this page, all time
The whole hunk
from line 17, old and new numbered
/
from line 17
1717
1818 - `string`
1919
20 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 30 more`
20 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 31 more`
2121
2222 - `"message-batches-2024-09-24"`
2323
from line 63
6363
6464 - `"user-profiles-2026-03-24"`
6565
66 - `"user-profiles-2026-08-18"`
67
6668 - `"advisor-tool-2026-03-01"`
6769
6870 - `"managed-agents-2026-04-01"`
from line 91
8991
9092- `model: BetaManagedAgentsModel or BetaManagedAgentsModelConfigParams`
9193
92 Model identifier. Accepts the [model string](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison), e.g. `claude-opus-4-6`, or a `model_config` object for additional configuration control
94 Model identifier. Accepts the [model string](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison), e.g. `claude-opus-5`, or a `model_config` object for additional configuration control
9395
9496 - `BetaManagedAgentsModel = "claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more or string`
9597
from line 902
900902 -H 'anthropic-beta: managed-agents-2026-04-01' \
901903 -H "X-Api-Key: $ANTHROPIC_API_KEY" \
902904 -d '{
903 "model": "claude-sonnet-4-6",
905 "model": "claude-opus-5",
904906 "name": "My First Agent",
905907 "description": "A general-purpose starter agent.",
906908 "metadata": {
from line 936
934936 "foo": "bar"
935937 },
936938 "model": {
937 "id": "claude-sonnet-4-6",
939 "id": "claude-opus-5",
938940 "effort": {
939941 "type": "low"
940942 },
No line in this hunk matches that.