mid-conversation-system-messages changedbuild-with-claude/mid-conversation-system-messages
Nearest release: v2.1.318, published 4 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.
Recorded here
Lines+5added
Lines−5removed
From line
58
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits35to this page, all time
The whole hunk
from line 58, old and new numbered
/
from line 58
5858 curl https://api.anthropic.com/v1/messages \
5959 -H "content-type: application/json" \
6060 -H "x-api-key: $ANTHROPIC_API_KEY" \
61 -H "anthropic-version: 2023-06-01" \
61 -H "anthropic-version: 2026-10-21" \
6262 -H "anthropic-beta: inline-tools-2026-09-15" \
6363 -d '{
6464 "model": "claude-opus-5-5",
from line 507
507507 curl https://api.anthropic.com/v1/messages \
508508 -H "content-type: application/json" \
509509 -H "x-api-key: $ANTHROPIC_API_KEY" \
510 -H "anthropic-version: 2023-06-01" \
510 -H "anthropic-version: 2026-10-21" \
511511 -H "anthropic-beta: inline-tools-2026-09-15" \
512512 -d '{
513513 "model": "claude-opus-5-5",
from line 1069
10691069 curl https://api.anthropic.com/v1/messages \
10701070 -H "content-type: application/json" \
10711071 -H "x-api-key: $ANTHROPIC_API_KEY" \
1072 -H "anthropic-version: 2023-06-01" \
1072 -H "anthropic-version: 2026-10-21" \
10731073 -H "anthropic-beta: inline-tools-2026-09-15,mcp-client-2026-09-15" \
10741074 -d '{
10751075 "model": "claude-opus-5-5",
from line 1665
16651665 curl https://api.anthropic.com/v1/messages \
16661666 -H "content-type: application/json" \
16671667 -H "x-api-key: $ANTHROPIC_API_KEY" \
1668 -H "anthropic-version: 2023-06-01" \
1668 -H "anthropic-version: 2026-10-21" \
16691669 -d '{
16701670 "model": "claude-opus-5-5",
16711671 "max_tokens": 1024,
from line 2123
21232123 ```bash cURL
21242124 curl https://api.anthropic.com/v1/messages \
21252125 -H "x-api-key: $ANTHROPIC_API_KEY" \
2126 -H "anthropic-version: 2023-06-01" \
2126 -H "anthropic-version: 2026-10-21" \
21272127 -H "anthropic-beta: mid-conversation-system-clear-at-2026-08-21" \
21282128 -H "content-type: application/json" \
21292129 -d '{
No line in this hunk matches that.