{"name":"tengu_stone_shell","slug":"tengu-stone-shell","family":"flag","title":"Feature flags","noun":"feature flag","description":"Rewritten memory rules would make Claude save corrections and environment quirks immediately, before replying.","description_source":"entry","described_by":{"version":"2.1.219","anchor":"rewritten-memory-system-prompt"},"presence":{"first_seen":"2.1.212","removed_in":"2.1.286","in_current_build":false,"newest_mined":"2.1.309","builds":64,"mined_builds":150,"first_cited":{"version":"2.1.212","released_at":"2026-07-16 19:20:24","spans":2}},"aliases":[],"entries":[{"version":"2.1.286","anchor":"tengu-stone-shell-check-removed-and-replaced-by-hardcoded-fa","heading":"A server-controlled switch is now locked off in code","line":"A check that used to ask the server whether to turn on a feature now always answers off, so no server setting can switch it on","released_at":"2026-09-30 17:14:38","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.238","anchor":"the-memory-tools-gate-was-renamed-so-everyone-is-back-on-fil","heading":"The memory-tools gate was renamed, so everyone is back on file-based memory","line":"The memory-tools switch was renamed, resetting any rollout, so everyone is back on file-based memory.","released_at":"2026-08-20 18:01:54","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.232","anchor":"two-feature-decisions-moved-onto-the-shared-process-config-o","heading":"Two feature decisions moved onto the shared process config object","line":"The memory prompt variant and the skill-suggestion rollout are now fields on the process config.","released_at":"2026-08-13 21:30:53","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.224","anchor":"an-auto-generated-index-of-your-memory-files","heading":"An auto-generated index of your memory files","line":"Claude can auto-generate an index of your memory files and feed it in as a source.","released_at":"2026-08-07 01:36:32","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.219","anchor":"rewritten-memory-system-prompt","heading":"Rewritten memory system prompt","line":"Rewritten memory rules would make Claude save corrections and environment quirks immediately, before replying.","released_at":"2026-07-24 16:11:49","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.219","anchor":"memory-subagent-s-delete-permission-narrowed","heading":"Memory subagent's delete permission narrowed","line":"The memory cleanup agent could only delete plain memory files, never anything with flags or outside the folder.","released_at":"2026-07-24 16:11:49","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.219","anchor":"memory-truncation-warning-now-covers-ordinary-memory-files","heading":"Memory truncation warning now covers ordinary memory files","line":"Oversize memory warnings would finally say something sensible about ordinary files, not just index entries.","released_at":"2026-07-24 16:11:49","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.219","anchor":"compact-recall-remember-summaries-in-the-transcript","heading":"Compact recall\/remember summaries in the transcript","line":"Memory recall notes could show as a compact grouped line in normal sessions, but that view is off.","released_at":"2026-07-24 16:11:49","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.219","anchor":"pinned-memories-are-injected-into-the-session","heading":"Pinned memories are injected into the session","line":"Adding `pinned: true` to a memory file's frontmatter would apply it to every session automatically.","released_at":"2026-07-24 16:11:49","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.212","anchor":"persistent-file-based-memory-tengu-stone-shell-gradual-rollo","heading":"Persistent File-Based Memory (tengu_stone_shell) [Gradual Rollout]","line":null,"released_at":"2026-07-16 19:20:24","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":10,"docs":[],"docs_total":0,"gates":[{"version":"2.1.286","state":"off","account":false,"baseline":false,"code_default":null},{"version":"2.1.238","state":"off","account":false,"baseline":false,"code_default":false},{"version":"2.1.232","state":"off","account":false,"baseline":false,"code_default":false},{"version":"2.1.224","state":"off","account":false,"baseline":false,"code_default":false},{"version":"2.1.219","state":"off","account":false,"baseline":false,"code_default":false},{"version":"2.1.212","state":"off","account":false,"baseline":false,"code_default":false}],"related":[{"name":"tengu_1p_event_batch_config","slug":"tengu-1p-event-batch-config","description":"Default `{}`. Batch settings for Claude Code's first-party event logger: `scheduledDelayMillis` (falls back to `OTEL_LOGS_EXPORT_INTERVAL`, then `10000`), `maxExportBatchSize` (default `200`) and `maxQueueSize` (default `8192`), plus `skipAuth`, `maxAttempts`, `path` and `baseUrl` passed to the exporter. When the value changes during a session, the logger is flushed and rebuilt with the new settings."},{"name":"tengu_account_plugins_sync_enabled","slug":"tengu-account-plugins-sync-enabled","description":"Plugins you enabled on claude.ai can be pulled to your machine, but only your account server can enable it."},{"name":"tengu_account_skills_sync_enabled","slug":"tengu-account-skills-sync-enabled","description":"Account skills-sync eligibility logic generalized into a reusable descriptor"},{"name":"tengu_adopt_claim","slug":"tengu-adopt-claim","description":"Stale adopted session claims now return their data marked stale instead of being discarded"},{"name":"tengu_adopt_link","slug":"tengu-adopt-link","description":"Adopting an agent's transcript now hard-links the file, copying only when linking is impossible."},{"name":"tengu_adopt_relink","slug":"tengu-adopt-relink","description":"On startup, subagent transcripts stored as symlinks are converted to hard links or copies."},{"name":"tengu_advisor_unknown_content","slug":"tengu-advisor-unknown-content","description":"Advisor output you couldn't see now shows an error or a clear \"declined to advise\" message."},{"name":"tengu_agent_frontmatter_mode_widening_carry_ignored","slug":"tengu-agent-frontmatter-mode-widening-carry-ignored","description":"An agent definition's permissionMode can no longer widen the mode inherited from its parent context."},{"name":"tengu_agent_hooks_origin_untrusted","slug":"tengu-agent-hooks-origin-untrusted","description":"Agents in untrusted folders can no longer define inline MCP servers; trust the project to allow it."},{"name":"tengu_agent_list_attach","slug":"tengu-agent-list-attach","description":"Default `false`. When `CLAUDE_CODE_AGENT_LIST_IN_MESSAGES` is unset or not a recognised boolean, `true` sends the `Agent` tool's list of agent types as `agent_listing_delta` attachments in the conversation (after the first, only the added and removed types) and leaves it out of the tool description. A truthy `CLAUDE_CODE_DISABLE_ATTACHMENTS` or `CLAUDE_CODE_SIMPLE` keeps the list in the description."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-stone-shell","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}