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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Documentation changes

What the docs quietly changed.

Anthropic's published documentation, fetched on a schedule and diffed against the last copy. Every edit dated, including the ones that never made a release note.

Last poll read all 4 cleanly: Claude Code CLI, Claude Developer Platform, Claude Documentation, Model Context Protocol. A date here is when this site noticed, not when Anthropic edited.

Claude Developer Platform 812pages tracked 765 changed this week · last read 23 Oct 2026 Claude Code CLI 228pages tracked 147 changed this week · last read 23 Oct 2026 Claude Documentation 280pages tracked 77 changed this week · last read 23 Oct 2026 Model Context Protocol 357pages tracked 171 changed this week · last read 22 Oct 2026

Every change

9,955 changes matching, page 84 of 100 All 96 days →
100 on this page

9,955 of the ledger's changes in api. Show every change

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1 Sep 2026 282 pages +13890 −2456 lines
api api/beta/memory_stores/update ±changed +7−1 api api/beta/memory_stores/retrieve ±changed +7−1 api api/beta/memory_stores/memory_versions/retrieve ±changed +7−1 api api/beta/memory_stores/memory_versions/redact ±changed +7−1 api api/beta/memory_stores/memory_versions/list ±changed +7−1 api api/beta/memory_stores/memory_versions ±changed +21−3 api api/beta/memory_stores/memories/update ±changed +8−2 api api/beta/memory_stores/memories/retrieve ±changed +7−1 api api/beta/memory_stores/memories/list ±changed +7−1 api api/beta/memory_stores/memories/delete ±changed +7−1 api api/beta/memory_stores/memories/create ±changed +8−2 api api/beta/memory_stores/memories ±changed +37−7 api api/beta/memory_stores/list ±changed +7−1 api api/beta/memory_stores/delete ±changed +7−1 api api/beta/memory_stores/create ±changed +7−1 api api/beta/memory_stores/archive ±changed +7−1 api api/beta/memory_stores ±changed +100−16 api api/beta/files/upload ±changed +7−1 api api/beta/files/retrieve_metadata ±changed +7−1 api api/beta/files/list ±changed +7−1 api api/beta/files/download ±changed +7−1 api api/beta/files/delete ±changed +7−1 api api/beta/files ±changed +35−5 api api/beta/environments/work/update ±changed +7−1 api api/beta/environments/work/stop ±changed +7−1 api api/beta/environments/work/stats ±changed +7−1 api api/beta/environments/work/retrieve ±changed +7−1 api api/beta/environments/work/poll ±changed +7−1 api api/beta/environments/work/list ±changed +7−1 api api/beta/environments/work/heartbeat ±changed +7−1 api api/beta/environments/work/ack ±changed +7−1 api api/beta/environments/work ±changed +56−8 api api/beta/environments/update ±changed +7−1 api api/beta/environments/retrieve ±changed +7−1 api api/beta/environments/list ±changed +7−1 api api/beta/environments/delete ±changed +7−1 api api/beta/environments/create ±changed +7−1 api api/beta/environments/archive ±changed +7−1 api api/beta/environments ±changed +98−14 api api/beta/dreams/retrieve ±changed +7−1 api api/beta/dreams/list ±changed +7−1 api api/beta/dreams/create ±changed +7−1 api api/beta/dreams/cancel ±changed +7−1 api api/beta/dreams/archive ±changed +7−1 api api/beta/dreams ±changed +153−5 api api/beta/deployments/update ±changed +7−1 api api/beta/deployments/unpause ±changed +7−1 api api/beta/deployments/run ±changed +8−2 api api/beta/deployments/retrieve ±changed +7−1 api api/beta/deployments/pause ±changed +7−1 api api/beta/deployments/list ±changed +8−2 api api/beta/deployments/create ±changed +7−1 api api/beta/deployments/archive ±changed +7−1 api api/beta/deployments ±changed +58−10 api api/beta/deployment_runs/retrieve ±changed +8−2 api api/beta/deployment_runs/list ±changed +11−5 api api/beta/deployment_runs ±changed +20−8 api api/beta/agents/versions/list ±changed +12−2 api api/beta/agents/versions ±changed +12−2 api api/beta/agents/update ±changed +18−4 api api/beta/agents/retrieve ±changed +12−2 api api/beta/agents/list ±changed +12−2 api api/beta/agents/create ±changed +18−4 api api/beta/agents/archive ±changed +12−2 api api/beta/agents ±changed +110−22 api api/beta ±changed +1845−394 api release-notes/system-prompts/claude-fable-5-1 +new page +198−0 api models/mythos-5-1/overview +new page +104−0 api models/fable-5-1/whats-new-fable-5-1 +new page +498−0 api models/fable-5-1/overview +new page +142−0 api models/fable-5-1/migration-guide +new page +1653−0 api build-with-claude/prompt-engineering/prompting-claude-fable-5-1 +new page +890−0 api build-with-claude/preserved-thinking +new page +317−0 api resources/overview ±changed +4−0 api release-notes/system-prompts/overview ±changed +2−0 api release-notes/overview ±changed +12−0 api models/sonnet-5/overview ±changed +1−1 api models/sonnet-4-6/overview ±changed +1−1 api models/sonnet-4-5/overview ±changed +1−1 api models/overview ±changed +21−21 api models/opus-5/overview ±changed +1−1 api models/opus-4-8/overview ±changed +1−1 api models/opus-4-7/overview ±changed +1−1 api models/opus-4-6/overview ±changed +1−1 api models/opus-4-5/overview ±changed +1−1 api models/mythos-5/overview ±changed +22−12 api models/haiku-4-5/overview ±changed +6−6 api models/fable-5/overview ±changed +25−26 api models/fable-5/migration-guide ±changed +11−11 api models/fable-5/introducing-claude-fable-5-and-claude-mythos-5 ±changed +11−15 api managed-agents/reference ±changed +3−3 api managed-agents/events-and-streaming ±changed +1−1 api managed-agents/dreams ±changed +1−1 api manage-claude/cmek ±changed +13−13 api manage-claude/api-and-data-retention ±changed +4−4 api intro ±changed +2−2 api home ±changed +3−3 api claude_api_primer ±changed +4−1 api build-with-claude/working-with-messages ±changed +1−1 api build-with-claude/token-counting ±changed +5−5
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