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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 821pages tracked 774 changed this week · last read 23 Oct 2026 Claude Code CLI 228pages tracked 148 changed this week · last read 23 Oct 2026 Claude Documentation 280pages tracked 81 changed this week · last read 23 Oct 2026 Model Context Protocol 357pages tracked 171 changed this week · last read 23 Oct 2026

Every change

10,119 changes matching, page 65 of 102 All 96 days →
100 on this page

10,119 of the ledger's changes in api. Show every change

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23 Sep 2026 282 pages +95953 −37143 lines
api api/beta/models/retrieve ±changed +5−1 api api/beta/models/list ±changed +5−1 api api/beta/models ±changed +10−2 api api/beta/messages/create ±changed +4342−2068 api api/beta/messages/count_tokens ±changed +2171−1991 api api/beta/messages/batches/retrieve ±changed +5−1 api api/beta/messages/batches/results ±changed +2168−77 api api/beta/messages/batches/list ±changed +5−1 api api/beta/messages/batches/delete ±changed +5−1 api api/beta/messages/batches/create ±changed +2171−1991 api api/beta/messages/batches/cancel ±changed +5−1 api api/beta/messages/batches ±changed +10848−2300 api api/beta/messages ±changed +41022−6884 api api/beta/memory_stores/update ±changed +5−1 api api/beta/memory_stores/retrieve ±changed +5−1 api api/beta/memory_stores/memory_versions/retrieve ±changed +5−1 api api/beta/memory_stores/memory_versions/redact ±changed +5−1 api api/beta/memory_stores/memory_versions/list ±changed +5−1 api api/beta/memory_stores/memory_versions ±changed +15−3 api api/beta/memory_stores/memories/update ±changed +5−1 api api/beta/memory_stores/memories/retrieve ±changed +5−1 api api/beta/memory_stores/memories/list ±changed +5−1 api api/beta/memory_stores/memories/delete ±changed +5−1 api api/beta/memory_stores/memories/create ±changed +5−1 api api/beta/memory_stores/memories ±changed +25−5 api api/beta/memory_stores/list ±changed +5−1 api api/beta/memory_stores/delete ±changed +5−1 api api/beta/memory_stores/create ±changed +5−1 api api/beta/memory_stores/archive ±changed +5−1 api api/beta/memory_stores ±changed +70−14 api api/beta/files/upload ±changed +5−1 api api/beta/files/retrieve_metadata ±changed +5−1 api api/beta/files/list ±changed +5−1 api api/beta/files/download ±changed +5−1 api api/beta/files/delete ±changed +5−1 api api/beta/files ±changed +25−5 api api/beta/environments/work/update ±changed +5−1 api api/beta/environments/work/stop ±changed +5−1 api api/beta/environments/work/stats ±changed +5−1 api api/beta/environments/work/retrieve ±changed +5−1 api api/beta/environments/work/poll ±changed +5−1 api api/beta/environments/work/list ±changed +5−1 api api/beta/environments/work/heartbeat ±changed +5−1 api api/beta/environments/work/ack ±changed +5−1 api api/beta/environments/work ±changed +40−8 api api/beta/environments/update ±changed +5−1 api api/beta/environments/retrieve ±changed +5−1 api api/beta/environments/list ±changed +5−1 api api/beta/environments/delete ±changed +5−1 api api/beta/environments/create ±changed +5−1 api api/beta/environments/archive ±changed +5−1 api api/beta/environments ±changed +70−14 api api/beta/dreams/retrieve ±changed +5−1 api api/beta/dreams/list ±changed +5−1 api api/beta/dreams/create ±changed +5−1 api api/beta/dreams/cancel ±changed +5−1 api api/beta/dreams/archive ±changed +5−1 api api/beta/dreams ±changed +25−5 api api/beta/deployments/update ±changed +5−1 api api/beta/deployments/unpause ±changed +5−1 api api/beta/deployments/run ±changed +5−1 api api/beta/deployments/retrieve ±changed +5−1 api api/beta/deployments/pause ±changed +5−1 api api/beta/deployments/list ±changed +5−1 api api/beta/deployments/create ±changed +5−1 api api/beta/deployments/archive ±changed +5−1 api api/beta/deployments ±changed +40−8 api api/beta/deployment_runs/retrieve ±changed +5−1 api api/beta/deployment_runs/list ±changed +5−1 api api/beta/deployment_runs ±changed +10−2 api api/beta/agents/versions/list ±changed +10−2 api api/beta/agents/versions ±changed +10−2 api api/beta/agents/update ±changed +16−4 api api/beta/agents/retrieve ±changed +10−2 api api/beta/agents/list ±changed +10−2 api api/beta/agents/create ±changed +16−4 api api/beta/agents/archive ±changed +10−2 api api/beta/agents ±changed +98−22 api api/beta ±changed +11744−6339 api agents-and-tools/tool-use/web-fetch-tool ±changed +6−2 api agents-and-tools/tool-use/tool-runner ±changed +1−1 api agents-and-tools/tool-use/overview ±changed +20−16 api agents-and-tools/tool-use/build-a-tool-using-agent ±changed +34−34 api agents-and-tools/agent-skills/claude-api-skill ±changed +3−3 api about-claude/pricing ±changed +56−55 api about-claude/models/choosing-a-model ±changed +0−4 api about-claude/model-deprecations ±changed +0−4 api manage-claude/cmek-google-cloud-kms ±changed +22−7 api manage-claude/cmek-azure-key-vault ±changed +24−7 api manage-claude/cmek-aws-kms ±changed +117−53
22 Sep 2026 161 pages +5419 −2819 lines
api test-and-evaluate/strengthen-guardrails/handle-streaming-refusals ±changed +8−8 api test-and-evaluate/develop-tests ±changed +72−72 api resources/overview ±changed +4−0 api release-notes/system-prompts/overview ±changed +2−0 api release-notes/overview ±changed +9−0 api models/sonnet-5/overview ±changed +3−3 api models/sonnet-5/migration-guide ±changed +9−9 api models/sonnet-4-6/overview ±changed +3−3 api models/sonnet-4-5/overview ±changed +3−3 api models/overview ±changed +24−24
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