update
A Claude Code CLI flag, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
Version strings in update messages, doctor output and daemon logs were re-stamped to 2.1.220.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.220.
In the changelogs
28Releases whose published page names update.
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v2.1.304
claude updatehelp now says package-manager installs update elsewhereThe help for
claude updatenow notes that installs from a package manager are updated through that package managernamed in this entry
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v2.1.290
Failed plugin updates are now reported in usage data
When the plugin update command fails, Claude Code now reports the failure in its usage data, as it already did for failed installs
found in this entry's text
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v2.1.288
Plugin, marketplace and login commands wait for usage reporting before exiting
Marketplace, plugin, login and auto-mode CLI commands now finish recording their result before exiting, and marketplace update notes skipped built-ins
found in this entry's text
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v2.1.288
Documents that need a newer Claude Code now tell you to run
claude updateA document that needs a newer Claude Code now fails with a message naming the versions and telling you to run
claude updatenamed in this entry
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v2.1.287
Marketplace add, remove and update can print JSON results
claude plugin marketplace add,removeandupdatenow accept--jsonand print a structured resultfound in this entry's text
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v2.1.283
Plugin installs stop if the installed-plugins file is from a newer version
Installing a plugin now stops if installed_plugins.json is in a format this version of Claude Code cannot read
named in this entry
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v2.1.281
Plugin hooks runtime gains a state library (atom/derive/memberOf/read/update)
The plugin function-hooks runtime gains a state library with atom, derive, memberOf, read and update
found in this entry's text
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v2.1.281
Plugin alias resolution plumbed into uninstall/disable/enable/update/details but stubbed
Plugin commands now run names through an alias lookup that changes nothing yet;
plugin updateandplugin detailsget small message fixesfound in this entry's text
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v2.1.281
Plugin marketplace loads carry an install/update/load reason; stale catalog cache can be used
Plugin marketplace lookups now record why they run, and an out-of-date plugin catalog can be allowed through
found in this entry's text
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v2.1.274
New version-mismatch update prompt
New message tells users their Claude Code version must be updated before continuing, with the exact update command
named in this entry
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v2.1.273
write_db 'update' now documents field deletion via __delete__ sentinel
write_db's update operation now documents deleting a field with a __delete__ sentinel value
found in this entry's text
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v2.1.272
artifact_call frame: verbs a script can issue to the Artifact tool
AppifactRepl scripts can issue Artifact tool actions like get, set, upload, and publish over a JSON protocol
found in this entry's text
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v2.1.271
Artifacts tool prompt gains a database capability (read_db/write_db)
Artifacts can now keep a shared database, readable and writable via read_db/write_db actions
found in this entry's text
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v2.1.268
Plugin CLI commands (disable, disable-all, update) gain --json output
Plugin disable, disable-all, and update commands gain --json output alongside other plugin commands
found in this entry's text
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v2.1.267
write_db batch writes now support
if_versionoptimistic-concurrency checksDocument-store batch writes now support if_version checks per entry, with a permission check when used
found in this entry's text
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v2.1.265
Artifact database write op gains str_replace, alongside set/update/delete/batch
Artifact database writes now support a str_replace operation alongside set, update, delete and batch
found in this entry's text
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v2.1.265
New artifact document versioning guidance text
New guidance text explains how to safely update artifact documents using version numbers
found in this entry's text
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v2.1.259
glab (GitLab CLI) actions now recognized for PR-lifecycle telemetry
PR-lifecycle telemetry now recognizes glab merge-request commands alongside gh and git.
found in this entry's text
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v2.1.259
Gerrit / glab support added to PR-tracking heuristics
PR tracking now recognizes Gerrit remotes and classifies glab merge-request commands, feeding the existing announcements.
found in this entry's text
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v2.1.248
Remote database module restructured, with readable connection-state labels
The remote database module moved and gained readable labels for connection states like hitting the watch limit.
found in this entry's text
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v2.1.248
remote-controlandrcrecognised during startup routingClaude Code spots remote-control or rc on the command line early, before the main app loads.
found in this entry's text
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v2.1.239
Plugin commands explain why a plugin cannot be toggled
Plugin commands now explain refusals for built-ins and org-locked plugins instead of acting oddly.
found in this entry's text
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v2.1.224
vault_idsdocumented as create-only, and deployments can be updatedDocs say vault_ids cannot change mid-session, and deployments now have an update endpoint.
found in this entry's text
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v2.1.220
Build stamp moved to 2.1.220
Version strings in update messages, doctor output and daemon logs were re-stamped to 2.1.220.
named in this entry
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v2.1.163
Organization Version Enforcement (requiredMinimumVersion / requiredMaximumVersion)
found in this entry's text
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v2.1.128
Team Onboarding Guide Sharing [Gradual Rollout]
found in this entry's text
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v2.1.81
RemoteTrigger Tool [Gradual Rollout]
found in this entry's text
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v1.0.128
Optimized Credential Storage
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 CLI flag does. All CLI flags.