define-tools changedagents-and-tools/tool-use/define-tools
Nearest release: v2.1.307, published an hour 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.
Recorded here
Lines+2added
Lines−2removed
From line
494
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits18to this page, all time
The whole hunk
from line 494, old and new numbered
/
from line 494
494494 client = Anthropic::Client.new
495495
496496 message = client.messages.create(
497 model: "claude-opus-5-5",
497 model: Anthropic::Model::CLAUDE_OPUS_5_5,
498498 max_tokens: 1024,
499499 tools: [
500500 {
from line 807
807807 client = Anthropic::Client.new
808808
809809 message = client.messages.create(
810 model: "claude-opus-5",
810 model: Anthropic::Model::CLAUDE_OPUS_5,
811811 max_tokens: 1024,
812812 tools: [
813813 {
No line in this hunk matches that.