summary
A Claude Code settings key, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
Messages with a blank summary now show their full text instead of collapsing into an empty line.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.222.
In the changelogs
22Releases whose published page names summary.
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v2.1.281
Deep-research workflow scope schema trimmed
The bundled deep-research workflow's scoping step now returns only search angles, without a question or summary
found in this entry's text
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v2.1.281
Smaller fixes
A batch of small fixes, including a stricter symlink check, PDF extraction that stops when cancelled, and the version bump to 2.1.281
found in this entry's text
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v2.1.281
Reactive compact tries summarizing the opening round alone before dropping the head
Emergency compaction now tries summarizing only the first round before dropping it
found in this entry's text
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v2.1.280
Skill/agent schema gains from_plugin field
An internal schema for skills and agents now has an optional from_plugin field
found in this entry's text
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v2.1.277
Removed several optional fields from an internal schema (question/points/summary/next/options/lead/headline)
An internal schema dropped seven optional fields: question, points, summary, next, next_why, options, lead, headline
found in this entry's text
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v2.1.277
post_turn_summary telemetry payload shrunk
post_turn_summary telemetry event now records 4 fields instead of 9
found in this entry's text
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v2.1.274
Status-report 'brief' shape added to teammate/status serialization
Status reports gain a new 'brief' format with points, a question, and reply options
found in this entry's text
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v2.1.274
post_turn_summary telemetry/schema gains richer structured fields
Turn-summary telemetry now carries a description, points, summary, and suggested replies
found in this entry's text
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v2.1.271
Plugin session.usage API call now validates its arguments
Plugin session.usage API now validates its breakdown and columns arguments
found in this entry's text
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v2.1.269
Assistant thinking blocks get per-message memoized summary caching
Assistant 'thinking' text is now cached per message along with a reserved slot for a future summary
found in this entry's text
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v2.1.265
Background agent stop/fail notifications now separate a short summary from a longer note
Notifications for stopped or failed background agents now split a short summary from a longer explanation
found in this entry's text
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v2.1.260
New 'get_context_usage' summary detail mode
Context-usage requests can now return a lighter summary payload for a memory viewer.
found in this entry's text
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v2.1.259
Task summary field description clarifies source
Task summary docs now spell out that local agents give a model-written progress summary and MCP tasks give the server's status.
found in this entry's text
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v2.1.257
get_context_usage tool call gains a detail parameter
get_context_usage takes a detail parameter, where summary answers without extra token-counting API calls.
found in this entry's text, named in this entry
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v2.1.222
Blank message summaries are ignored
Messages with a blank summary now show their full text instead of collapsing into an empty line.
found in this entry's text
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v2.1.196
ReportFindings Tool
found in this entry's text
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v2.1.86
Agent System Prompt Refinements
found in this entry's text
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v2.1.75
SendMessage Tool Redesigned
found in this entry's text
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v2.1.72
SDK Enhancements
found in this entry's text
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v2.1.53
Session Metadata Schema for
listSessionsfound in this entry's text
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v2.0.54
Session Memory Path Refactoring
found in this entry's text
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v1.0.113
Error Session Filtering
found in this entry's text
First cited
0No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.
Presence across releases
0The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the settings key does. All settings keys.