description
A Claude Code settings key, read out of the shipped bundle. It was in the build from v2.1.284 and was gone by v2.1.287.
Bug reports you file now follow a fixed bullet template instead of free-form prose.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.223.
In the changelogs
46Releases whose published page names description.
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v2.1.281
Agent definitions may have an empty prompt
Agent definitions with an empty
promptare no longer rejectedfound in this entry's text
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v2.1.281
Command frontmatter overrides helper
Command overrides can now replace a command's description, argument hint, model and allowed tools, and plugin commands are merged into the list
found in this entry's text
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v2.1.280
Write tool now accepts file_text/file_content and path as aliases
Write tool now accepts file_text, file_content, and path as aliases for content and file_path, rewriting input before plugin hooks see it
found in this entry's text
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v2.1.280
Structured error objects with a code+description now get a dedicated short summary
Error messages with a code and description now show a short, dedicated summary instead of a scanned-out file path or command
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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v2.1.275
New coordinator-only Bash guardrail restricting to verified read-only commands
A new guardrail restricts the coordinator role to read-only, verified Bash commands
found in this entry's text
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v2.1.274
SDK gains an agent.register call
SDK adds an agent.register call for defining named agents programmatically
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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v2.1.269
Agent/task description and reason fields are now sanitized and length-capped
Agent and task description/reason fields are now cleaned up and capped at 1024 characters, and tool-use IDs must match a strict pattern
found in this entry's text
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v2.1.269
Subagent forks can now request a custom display name and description
Subagents spawned as forks can now be given a custom display name and description instead of one derived from the task text
found in this entry's text
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v2.1.269
Agent resume gains worktreeBranch and name validation groundwork
Resuming an agent now validates its worktree branch and name before proceeding
found in this entry's text
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v2.1.268
Skill descriptions reject angle brackets
Skill descriptions can no longer contain angle brackets
found in this entry's text
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v2.1.268
Feedback survey followup payload now whitelists included transcript/session fields
Feedback survey followups now send only a fixed, named list of fields instead of a free-form object
found in this entry's text
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v2.1.265
/plan share (publishing the plan as an artifact) removed from the /plan command
The /plan share subcommand, which published a plan as a claude.ai artifact, has been removed
found in this entry's text
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v2.1.265
Background/workflow agent spawns now pass description and workflow phase context
Background workflow agent spawns now carry a description and workflow phase
found in this entry's text
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v2.1.265
Plugin manifests can now be filled in from marketplace-entry metadata
Plugin manifests can now be auto-filled from marketplace listing metadata
found in this entry's text
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v2.1.265
Plugin marketplace listings enriched from each plugin's own plugin.json
Plugin marketplace listings now fill in missing display info by reading the plugin's own plugin.json
found in this entry's text
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v2.1.265
Artifact/document type support extends recognized dialog schemas
Task status data can now carry an optional description and reply field
found in this entry's text
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v2.1.260
New description text for Bedrock/gateway auth config fields
Bedrock auth settings now document exactly which env var each is passed as.
found in this entry's text
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v2.1.260
AskUserQuestion telemetry can include extended per-question fields and a title
AskUserQuestion telemetry can now capture extended per-question fields and a title.
found in this entry's text
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v2.1.259
Skills tool now enforces a description length cap
The skill-proposal description field now has a hard length cap, with guidance to stay under 200 characters.
found in this entry's text
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v2.1.257
Resource-link collection capped at 50 links / 64KiB
Resource-link collection stops at 50 entries or 64KiB and strips internal annotation keys.
found in this entry's text
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v2.1.247
Memory files can be checked for size and frontmatter after a write
Memory files can be checked after a write for oversize, split files and bad descriptions.
found in this entry's text
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v2.1.246
Tool inputs with untyped schemas are parsed instead of arriving as text
MCP and plugin tools with loose input schemas now get real data instead of stringified JSON.
found in this entry's text
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v2.1.246
Plugin interfaces are checked before they are used
A plugin publishing an interface for others now fails loudly if it isn't a proper object of functions.
found in this entry's text
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v2.1.228
Artifact titles must read as names, not summaries
Artifact titles are now short name-like phrases, with the explanation moved to the description.
found in this entry's text
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v2.1.224
Memory index built by scanning files rather than read from disk
A memory index can be generated by scanning recent files rather than read from a stored index.
found in this entry's text
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v2.1.223
Feedback report body must now be labeled bullets
Bug reports you file now follow a fixed bullet template instead of free-form prose.
found in this entry's text
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v2.1.212
Persistent File-Based Memory (tengu_stone_shell) [Gradual Rollout]
found in this entry's text
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v2.1.197
Promotional Launch Pricing in Model Picker
found in this entry's text
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v2.1.195
MCP Tool Schema Normalization
found in this entry's text
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v2.1.105
Plugin Monitors (Background Watch Scripts)
found in this entry's text
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v2.1.77
Plugin/Skill Manifest Validation
found in this entry's text
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v2.1.75
Plugin Configurable Options
found in this entry's text
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v2.1.72
Plan Command Enhancement
found in this entry's text
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v2.1.71
Team Memory (Shared Persistent Knowledge)
found in this entry's text
- v2.1.69
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v2.1.69
Memory System Overhaul
found in this entry's text
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v2.1.63
/model Command Shows Current Model
found in this entry's text
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v2.1.51
LLM-Based Memory Retrieval
found in this entry's text
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v2.1.42
Agent Frontmatter Validation
found in this entry's text
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v2.1.33
TeamCreate and TeamDelete Tools
found in this entry's text
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v2.1.30
Enhanced Custom Subagent Schema
found in this entry's text
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v2.1.30
SDK Schema Documentation
found in this entry's text
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v2.0.12
Inline Plugin Commands
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
2Build by build
6One row per release since the first build this name was read out of. Absent means the build was read and the name was not in it, never mined means no bundle for that release was ever archived, and a declared type or a default is only ever what that release's own bundle stated.
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.