Every feature flag, and where it lived
670 of 2,081 feature flags One tick per build on this box, oldest on the left. A gap is a build the feature flag was not in.
State
This account
Anonymous
Compiled default
A is the one account this site reads, N the anonymous baseline, D what the release compiled in. 1,143 of 2,081 gates have been read at all: a run only records the gates its own release wrote about. Claude Code evaluates its gates on Anthropic's servers, so a reading of off can be a rollout this account sits outside of, and none of it says anything about your install. How to read these.
○ not in v2.1.308, ◇ we found no documentation describing it.
Feature flagWhat it doesSpan v2.1.138 → v2.1.308 Status Reading
tengu_fleetview_simple ◇ The rule for turning on fleet view's simple mode is unchanged, but the way that code looks up keyboard shortcuts changedv2.1.216 → v2.1.308 ◆in the build AND v2.1.299
tengu_flickering_lagoon ◇ send_message can route messages to a bridge address through a matching MCP tool, behind a remote switch that defaults to offv2.1.299 → v2.1.308 ◆in the build AND v2.1.299
tengu_flint_harbor_prompt ◇ Default {}. Overrides for the /team-onboarding command: a string prompt replaces the built-in prompt template, a string guideTemplate replaces the text inserted at {{GUIDE_TEMPLATE}}, and a number windowDays sets how many days of usage data are scanned, floored and clamped to 1 through 365 (default 30). Fields of the wrong type use the built-in values.v2.1.138 or earlier → v2.1.308 ◆in the build AND v2.1.248
tengu_fold_tool ◇ Default false. In an interactive session, the message list outside the transcript view hides every message whose uuid is listed in the foldedUuids of a fold_boundary system message. Non-interactive sessions treat the flag as off.v2.1.198 → v2.1.209 ○gone AND v2.1.198
tengu_fresh_heron ◇ Claude Code has a new remotely controlled switch that counts as on when the server sends no value, and nothing yet shows what it controlsv2.1.289 → v2.1.308 ◆in the build AND v2.1.289
tengu_gable_onyx_sluice ◇ Publishing a workshop page would run a structural check and refuse instead of shipping violations.v2.1.219 → v2.1.308 ◆in the build AND v2.1.248
tengu_gb_eval_authed_enable ◇ Feature-flag requests can now attach auth asynchronously, but that path stays off in this build.v2.1.212 → v2.1.226 ○gone AND v2.1.227
tengu_gb_refresh_interval_minutes ◇ Feature flags now refresh in the background every six hours instead of only at startup.v2.1.221 → v2.1.308 ◆in the build AND v2.1.221
tengu_gentle_hammock ◇ Remote Control requests can be gzip-compressed, but it is switched off in this build.v2.1.247 → v2.1.308 ◆in the build AND v2.1.308
tengu_gentle_hummingbird ◇ The control protocol gains a folder-listing request and a set of requests that let desktop, mobile and VS Code apps display and operate Claude Codev2.1.285 → v2.1.308 ◆in the build AND v2.1.293
tengu_giggly_dragonfly ◇ With input closed and no budget cap, a session with armed monitors can be held open past the background-task ceiling.v2.1.257 → v2.1.308 ◆in the build AND v2.1.295
tengu_gleaming_creek ◇ For MCP servers whose host is flagged by the cloud host check, Claude Code now trims the features it says it supports when connectingv2.1.305 → v2.1.308 ◆in the build AND v2.1.305
tengu_gleaming_cupcake ◇ New gates let Claude Code report tools that exist but are switched off as "available if turned on"v2.1.275 → v2.1.308 ◆in the build AND v2.1.275
tengu_gleaming_fair ◇ Resuming a session can now reuse an already-computed summary instead of recalculating itv2.1.138 or earlier → v2.1.308 ◆in the build AND v2.1.265
tengu_gleaming_fair_reuse ◇ Resuming a session can now reuse an already-computed summary instead of recalculating itv2.1.265 → v2.1.308 ◆in the build AND v2.1.265
tengu_gleaming_rivest ◇ A program asking Claude Code to re-initialize a session can now turn on prompt suggestions, if a remote setting allows itv2.1.285 → v2.1.287 ○gone AND v2.1.288
tengu_glimmering_glade ◇ Remote control re-registers and reattaches your sessions if the server forgets this machine.v2.1.242 → v2.1.308 ◆in the build AND v2.1.308
tengu_glittery_fern ◇ The skill-proposal tool can now refuse a proposed SKILL.md that keeps too few lines of your current one, using a threshold set remotelyv2.1.290 → v2.1.308 ◆in the build AND v2.1.290
tengu_glittery_mitten ◇ Stop hooks can now act on a kind of end-of-turn request that comes from an MCP server, behind a server-controlled switchv2.1.302 → v2.1.308 ◆in the build AND v2.1.302
tengu_golden_popcorn ◇ CLAUDE_CODE_GZIP_REQUEST_BODY_LEVEL sets a gzip level from 1 to 9 for requests Claude Code already compressesv2.1.282 → v2.1.299 ○gone AND v2.1.282
tengu_goofy_hare ◇ A switched-off change lets Claude Code recover kept messages from an earlier compaction marker when the usual one is missingv2.1.301 → v2.1.308 ◆in the build AND v2.1.308
tengu_goofy_jellyfish ◇ In Claude Desktop, auto-compact on 1M-context models can now be capped at a 600k or 500k window by a server-side settingv2.1.283 → v2.1.306 ○gone AND v2.1.283
tengu_gorse_pylon ◇ Claude can post a quick 'on it' note in artifact comment threads before the real reply, off unless enabled.v2.1.232 → v2.1.308 ◆in the build AND v2.1.237
tengu_gorse_sill ◇ A second fast-ack mode lets Claude pick a fixed numbered acknowledgment instead of writing one, off behind two gatesv2.1.235 → v2.1.308 ◆in the build AND v2.1.235
tengu_gouda_loop ◇ Default false. When true, Claude Code checks for your closed issues on anthropics/claude-code: it reads a cached list and, at most once per 24 hours, runs gh issue list -R anthropics/claude-code --author @me --state closed, then shows a low-priority notice such as Your issue #N has been closed. Thanks for reporting! for issues not yet acknowledged and records them as acknowledged.v2.1.138 or earlier → v2.1.245 ○gone AND v2.1.308
tengu_gravel_chorus ◇ A new default-on internal flag was added with an unclear purpose.v2.1.260 → v2.1.308 ◆in the build AND v2.1.260
tengu_greedy_crane ◇ Claude Code checks a new remotely controlled switch and reads its settings from a renamed one, though what either controls is unknownv2.1.287 → v2.1.308 ◆in the build AND v2.1.287
tengu_grey_step2 ◇ No description from anybody.never mined ·never mined AND v2.1.68
tengu_gzip_request_bodies ◇ The gzip decision now records exactly why it skipped, though compression stays off without a server value.v2.1.199 → v2.1.283 ○gone AND v2.1.236
tengu_harbor_kite_limits ◇ Incoming peer messages now pass rate, duplicate and loop checks before queuing, with drops shown to you.v2.1.242 → v2.1.245 ○gone AND v2.1.223
tengu_harbor_ledger ◇ Default []. Built-in allowlist of channel plugins as {marketplace, plugin} entries; a value that fails validation counts as empty. When managed settings give no allowedChannelPlugins, a plugin requested through --channels outside development mode is skipped unless it is on this list. Separately, whatever the managed setting says, an MCP server's claude/channel capability is removed from its reported status unless its plugin is on this list (among other conditions).v2.1.138 or earlier → v2.1.308 ◆in the build AND v2.1.80
tengu_harbor_moth ◇ Default false. Turns on remote recaps: at the end of a turn, in a session that reports metadata changes, Claude Code generates a recap and publishes it as the session's recap metadata, dropping it if a new turn is already running. Further checks must also pass, and CLAUDE_CODE_ENABLE_REMOTE_RECAP, when set, takes precedence over the flag.v2.1.174 → v2.1.308 ◆in the build AND v2.1.174
tengu_harbor_prism ◇ Default false. When on, the PR status for the current branch is fetched straight from the GitHub REST API (/repos/<owner>/<repo>/pulls?head=...) with a GitHub token, using ETags, redirect handling and backoff on 403/429; when off it runs gh pr view --json number,url,reviewDecision,isDraft,headRefName,state. Either way a null result falls through to a further lookup. The flag also switches the PR-status poller from its fixed 60000 ms interval to an interval computed from terminal focus, time since the last interaction, the failed-fetch streak and the not-modified streak.v2.1.138 or earlier → v2.1.250 ○gone AND v2.1.286
tengu_harmonic_cook ◇ Messages relayed from a project's coordinator session are handled by a switch that defaults to on, and the model is told when one is waitingv2.1.282 → v2.1.300 ○gone AND v2.1.282
tengu_harp_forepillar ◇ Claude Code now stores state about skills converted into plugins, plus a new flag for keeping something across restartsv2.1.304 → v2.1.308 ◆in the build AND v2.1.304
tengu_harp_pedal ◇ The whiteboard no longer picks a live or solo mode per session and instead follows a single switch controlled remotelyv2.1.304 → v2.1.308 ◆in the build AND v2.1.304
tengu_hazel_lantern ◇ Attachments fetched ahead of time in remote sessions can have their hold renewed, and ones that stall show [attachment did not arrive]v2.1.286 → v2.1.308 ◆in the build AND v2.1.286
tengu_hazel_osprey_floor ◇ Number, code default 75000. While the tengu_hazel_osprey context-hint feature is on for main-thread requests, a request that qualifies for the hint carries context_hint: {enabled: true, target_tokens_saved: <value>}; a value of 0 or less leaves target_tokens_saved out.v2.1.138 or earlier → v2.1.308 ◆in the build AND v2.1.308
tengu_hazel_quire ◇ Claude has the machinery to write dated session log files for auto-memory, but nothing calls it.v2.1.221 → v2.1.259 ○gone AND v2.1.221
tengu_hazel_trellis ◇ Default 3. Maximum subagent nesting depth, used when CLAUDE_CODE_MAX_SUBAGENT_SPAWN_DEPTH is unset; a value that is not an integer of at least 1 uses 3, and the result is cached after the first read. Launching an agent at or past this depth fails with Subagent nesting limit reached (depth N of M), and several agent-tool checks compare against it, some only asking whether it is above 1.v2.1.257 → v2.1.308 ◆in the build AND v2.1.217
tengu_hazy_cosmos ◇ On Linux, Claude Code now refuses to write a file whose path looks like a Mac or Windows user path, and nothing is writtenv2.1.300 → v2.1.308 ◆in the build AND v2.1.300
tengu_hazy_nova ◇ A feature that reports on, off or not loaded now reads a different remote switch, which falls back to offv2.1.288 → v2.1.308 ◆in the build AND v2.1.290
tengu_hazy_peach ◇ Claude Code now checks a new setting that the server can control, and what it does is not yet knownv2.1.295 → v2.1.299 ○gone AND v2.1.295
tengu_hearth_resolved_rows ◇ Extra routing details on relayed messages are stored but ignored unless a server flag turns them on.v2.1.239 → v2.1.308 ◆in the build AND v2.1.242
tengu_heron_brook ◇ On some models Claude will stop spinning up subagents or research workflows unless you actually ask for it.v2.1.150 → v2.1.308 ◆in the build AND v2.1.257
tengu_hidden_volcano ◇ Claude Code can now offer to move you to a newer model, as a one-line notice or a dialog, when switched on remotelyv2.1.287 → v2.1.308 ◆in the build AND v2.1.287
tengu_humble_petal ◇ A feature that followed one server-side switch now follows a differently named one, still on by default when the server sends nothingv2.1.285 → v2.1.308 ◆in the build AND v2.1.285
tengu_humble_wand ◇ Auto mode now re-checks artifact facts to catch stale 'allow' verdicts from the server classifierv2.1.271 → v2.1.308 ◆in the build AND v2.1.271
tengu_humble_zephyr ◇ Task-management reminders are now skipped in conversations that used the Brief toolv2.1.277 → v2.1.308 ◆in the build AND v2.1.277
tengu_humming_locket ◇ Someone connected through Remote Control can now run /effort, /model, /rename and /usage straight away while Claude is mid-replyv2.1.290 → v2.1.308 ◆in the build AND v2.1.290
tengu_humming_star ◇ A Remote Control inbox message that says it is from the owner is treated as from an unknown sender unless the server confirmed itv2.1.299 → v2.1.308 ◆in the build AND v2.1.299
tengu_humming_sundae ◇ Claude Code can now remind Claude about remote notifications that have waited longer than a set number of minutesv2.1.295 → v2.1.308 ◆in the build AND v2.1.295
tengu_hushed_kestrel ◇ When a routed agent's single clean handback goes to that same agent, Claude Code can use a short pointer notice insteadv2.1.285 → v2.1.308 ◆in the build AND v2.1.285
tengu_hushed_lantern ◇ Claude in Chrome tool calls are now denied straight away with 'no browser connected' when no browser extension is attachedv2.1.299 → v2.1.308 ◆in the build AND v2.1.299
tengu_hushed_lark ◇ Silent-turn reminder and artifact room environment variables are now recognised by name in the settings allowlist.v2.1.236 → v2.1.308 ◆in the build AND v2.1.290
tengu_hushed_lark_text ◇ Silent-turn reminder and artifact room environment variables are now recognised by name in the settings allowlist.v2.1.238 → v2.1.308 ◆in the build AND v2.1.290
tengu_hushed_plover ◇ If a permission prompt times out unanswered, later subagent requests in the same turn are held back instead of asking againv2.1.304 → v2.1.308 ◆in the build AND v2.1.304
tengu_idempotent_wolf ◇ New instructions tell some models that reasoning effort does not reduce how much of a request to finish, and not to check in before big tasksv2.1.293 → v2.1.308 ◆in the build AND v2.1.293
tengu_immutable_tide ◇ A check that runs only when a server value is set now also returns false for a result whose reason is that it did not runv2.1.271 → v2.1.308 ◆in the build AND v2.1.292
tengu_import ◇ Importing another agent's config now parses TOML natively, reachable only through the gated import path.v2.1.213 → v2.1.308 ◆in the build AND v2.1.265
tengu_indexed_corbato ◇ Conversations can now carry coordinator/worker context and named context sections, behind an unreleased gatev2.1.268 → v2.1.308 ◆in the build AND v2.1.268
tengu_iridescent_boot ◇ rm -r on a path made entirely of $(...) or backtick output now always asks, and permission rules cannot auto-allow itv2.1.281 → v2.1.308 ◆in the build AND v2.1.305
tengu_iridescent_gem ◇ New sampled telemetry records detailed hashes around cache-prefix breaks.v2.1.261 → v2.1.308 ◆in the build AND v2.1.308
tengu_iterative_falcon ◇ Inline shell commands in a skill's instructions can now be handed to the model to run explicitly instead of executing silentlyv2.1.271 → v2.1.308 ◆in the build AND v2.1.277
tengu_iterative_haven ◇ Plugin hook modules can respond to more events, while plugins people install themselves face limits where an organization manages Claude Codev2.1.299 → v2.1.308 ◆in the build AND v2.1.299
tengu_jade_compass ◇ Workflow arguments sent as a JSON string are now parsed instead of failing.v2.1.229 → v2.1.308 ◆in the build AND v2.1.271
tengu_jaunty_alpaca ◇ Overrides for account-synced skills now also check their alias names, and two remote switches change how synced skill names are handledv2.1.307 → v2.1.308 ◆in the build AND v2.1.282
tengu_jaunty_charm ◇ Claude Code now tracks when something was last active and whether a remotely set lifetime has run out; with no remote setting, nothing expiresv2.1.286 → v2.1.308 ◆in the build AND v2.1.286
tengu_jaunty_ember ◇ Two experiment flags renamed: bright_ripple to jaunty_ember, cozy_pixel to humble_zephyrv2.1.277 → v2.1.308 ◆in the build AND v2.1.277
tengu_jaunty_plum ◇ No description from anybody.v2.1.300 → v2.1.308 ◆in the build AND v2.1.308
tengu_jazzy_puddle ◇ In print mode with text output, Claude Code can now print each turn's result when that turn ends instead of only at exitv2.1.295 → v2.1.308 ◆in the build AND v2.1.295
tengu_jazzy_ripple ◇ /diff's description wording can change to reflect a toggle, behind an internal flag.v2.1.260 → v2.1.308 ◆in the build AND v2.1.260
tengu_jiggly_blossom ◇ Claude Code adds an organisation setup name, a managed-agents-secure entry and a new switch that is off unless turned on remotelynever mined ·never mined AND v2.1.304
tengu_jiggly_mochi ◇ Pressing Enter could interrupt a running turn and send your queued messages immediately, decided by server config.v2.1.234 → v2.1.308 ◆in the build AND v2.1.234
tengu_jolly_aurora ◇ Claude Code can warn you when the combined size of your CLAUDE.md instruction files goes over the limit, showing the size and the limitv2.1.288 → v2.1.308 ◆in the build AND v2.1.288
tengu_joyful_anchor ◇ New gates let Claude Code report tools that exist but are switched off as "available if turned on"v2.1.275 → v2.1.308 ◆in the build AND v2.1.275
tengu_joyful_globe ◇ No description from anybody.v2.1.259 → v2.1.308 ◆in the build AND v2.1.308
tengu_joyful_parasol ◇ The 'Claude in Chrome enabled by default' setting is now flagged as needing consent, and a new message says some features are limited by policyv2.1.285 → v2.1.308 ◆in the build AND v2.1.285
tengu_juniper_relay_config ◇ The feedback relay tool's wording and per-session limits can now be set from the server instead of hardcoded.never mined ·never mined AND v2.1.221
tengu_juniper_sundial ◇ Default null, meaning 10. While ultra effort stays on, the number of user messages since the last ultra effort reminder after which Claude Code attaches a sparse ultra_effort_enter reminder again. A number is floored and raised to at least 1; a non-number uses the default, and CLAUDE_CODE_JUNIPER_SUNDIAL or one other override source take precedence.v2.1.218 → v2.1.308 ◆in the build AND v2.1.308
tengu_juniper_vale ◇ Default {enabled: false, maxChars: 500, autoDismissAfterMs: 30000}. Controls the follow-up prompt shown after the user answers the in-session feedback survey with anything other than dismissing it: enabled: true turns it on, maxChars (a positive number, default 500) sets its character limit, and autoDismissAfterMs (at least 600, default 30000) sets when it is dismissed automatically. It is not shown while a response is loading, an overlay is open, or the prompt input has text, and another check can force it on with the default limits.v2.1.213 → v2.1.308 ◆in the build AND v2.1.308
tengu_kairos_loop_keepalive ◇ The kite network transport is on by default everywhere, and CLAUDE_CODE_HARBOR_KITE=0 now really turns it off.v2.1.157 → v2.1.308 ◆in the build AND v2.1.248
tengu_kairos_loop_persistent ◇ The /loop tick prompt is no longer behind a remote flag and works for everyone.v2.1.138 or earlier → v2.1.308 ◆in the build AND v2.1.248
tengu_kairos_ready_nudge ◇ The kairos ready nudge config no longer treats a bare true value as an automatic full-probability enablev2.1.211 → v2.1.308 ◆in the build AND v2.1.280
tengu_keen_anchor ◇ When a server switch is on, Claude Code loads shell command completion data only when run from source, skipping it in packaged installsv2.1.290 → v2.1.308 ◆in the build AND v2.1.290
tengu_keen_moth ◇ When a turn is handed off to a cloud session, Claude Code can place files listed by name, behind a switch that is off by defaultv2.1.287 ○gone AND v2.1.288
tengu_keen_sloth ◇ A queued move to the background is now cancelled if you have text in the input box, and cleared when a turn stopsv2.1.295 → v2.1.308 ◆in the build AND v2.1.295
tengu_kestrel_arch ◇ The terminal tab status toggle, Claude API tip and Chrome classifier default only moved; their gate fallbacks are unchangedv2.1.139 → v2.1.308 ◆in the build AND v2.1.305
tengu_kestrel_moor ◇ A gated latch can now cache the client's 'atis' value per conversation instead of re-reading it each timev2.1.235 → v2.1.308 ◆in the build AND v2.1.235
tengu_lantern_hinge ◇ The check that makes Claude Code wait out a usage limit now also covers WebFetch reading a fetched page, under a remote switch that is off by defaultv2.1.292 → v2.1.308 ◆in the build AND v2.1.292
tengu_lantern_prism ◇ A Stats tab in /plugin shows skill usage and context costs, with /skill-doctor redirecting there.v2.1.198 → v2.1.308 ◆in the build AND v2.1.265
tengu_lantern_sconce ◇ A status bar notice about usage limits and covered extra usage is built but switched off.v2.1.247 → v2.1.308 ◆in the build AND v2.1.277
tengu_lantern_sconce_copy ◇ Usage-limit banner wording can now be overridden remotely instead of being fixed textv2.1.277 → v2.1.308 ◆in the build AND v2.1.284
tengu_lantern_snuffer ◇ A new remote switch, off by default, can stop extended usage requests for workflows set to wait out a usage limitv2.1.288 → v2.1.308 ◆in the build AND v2.1.292
tengu_lantern_wick_mode ◇ Claude could be nudged to wrap up or checkpoint during your usage-limit grace window, but nothing fires.v2.1.227 → v2.1.308 ◆in the build AND v2.1.284
tengu_lantern_wick_release ◇ The instructions Claude gets during a usage limit's grace window can now be set remotely for each model, with a defaultv2.1.247 → v2.1.308 ◆in the build AND v2.1.284
tengu_lantern_wick_text ◇ The instructions Claude gets during a usage limit's grace window can now be set remotely for each model, with a defaultv2.1.247 → v2.1.283 ○gone AND v2.1.284
tengu_lapis_anchor ◇ The token countdown reminder budget is read once at start, so mid-session config changes are ignored.v2.1.176 → v2.1.308 ◆in the build AND v2.1.236
tengu_lapis_anchor_budget ◇ The token countdown reminder budget is read once at start, so mid-session config changes are ignored.v2.1.196 → v2.1.308 ◆in the build AND v2.1.236
tengu_left_arrow_carries_queued ◇ Sending a session to the background with left arrow now carries queued prompts along, or refuses if they can't be movedv2.1.293 → v2.1.308 ◆in the build AND v2.1.293
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