Follow Discord
Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 22 Oct 2026
One change · api

tool-search-tool changedagents-and-tools/tool-use/tool-search-tool

Nearest release: v2.1.308, published 2 hours 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+5added
Lines−5removed
From line 604 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits15to this page, all time

The whole hunk

from line 604, old and new numbered
/
lines
from line 604
604604 
605605When Claude uses the tool search tool, the response includes the following block types:
606606 
607```json JSON
607```text JSON
608608{
609609 "role": "assistant",
610610 "content": [
from line 693
693693 
694694**All tools deferred:**
695695 
696```json
696```text
697697{
698698 "type": "error",
699699 "error": {
from line 705
705705 
706706**Missing tool definition:**
707707 
708```json
708```text wrap
709709{
710710 "type": "error",
711711 "error": {
from line 719
719719 
720720When a tool search operation fails during execution, the API returns a 200 response with the error in the body:
721721 
722```json JSON
722```text JSON
723723{
724724 "type": "tool_search_tool_result",
725725 "tool_use_id": "srvtoolu_01ABC123",
from line 793
793793 
794794With streaming enabled, you'll receive tool search events as part of the stream:
795795 
796```sse
796```text
797797event: content_block_start
798798data: {"type": "content_block_start", "index": 1, "content_block": {"type": "server_tool_use", "id": "srvtoolu_xyz789", "name": "tool_search_tool_regex"}}
799799 
Feedback