# Anthropic TypeScript SDK changelog > The official TypeScript library for the Anthropic API. - Vendor: Anthropic - Category: AI - Official site: https://github.com/anthropics/anthropic-sdk-typescript - Tracked by: What's New (https://whatsnew.fyi/product/anthropic-sdk-typescript) - Harvested from: GitHub (anthropics/anthropic-sdk-typescript) - Entries below: 25 (newest first) What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. ## Releases ### v0.117.1 — sdk: v0.117.1 - Date: 2026-08-13 - Version: v0.117.1 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.117.1 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.117.1 ##### 0.117.1 (2026-08-13) Full Changelog: [sdk-v0.117.0...sdk-v0.117.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.117.0...sdk-v0.117.1) ###### Chores * **ci:** allow manually re-publishing a package to npm from the release workflow ([af60c1f](https://github.com/anthropics/anthropic-sdk-typescript/commit/af60c1f980557368fb10c3701d8dc8a1fa75d70e)) * **internal:** tag uploaded preview builds with the branch name ([#295](https://github.com/anthropics/anthropic-sdk-typescript/issues/295)) ([228f44e](https://github.com/anthropics/anthropic-sdk-typescript/commit/228f44ee4848e6a26be27d26093635e2dba783ea)) ### v0.117.0 — sdk: v0.117.0 - Date: 2026-08-13 - Version: v0.117.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.117.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.117.0 - **added** — Add output_behavior to dream creation to create a new memory store or update the input store in place - **fixed** — Include dotfiles when flattening dist during git installs - **fixed** — Add models to client - **fixed** — Honor per-request timeout in the non-streaming long-request check - **fixed** — Apply all message_delta fields when accumulating streamed messages - **fixed** — Forward the response container id to the next request in tool-runner - **fixed** — Align path resolution, skill-archive members, and heartbeat bounds with the other SDKs ##### 0.117.0 (2026-08-13) Full Changelog: [sdk-v0.116.0...sdk-v0.117.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.116.0...sdk-v0.117.0) ###### Features * **api:** add output_behavior to dream creation (create a new memory store or update the input store in place) ([6a5bd0f](https://github.com/anthropics/anthropic-sdk-typescript/commit/6a5bd0f34d214759f97d485e46b09203fff3ea99)) ###### Bug Fixes * **build:** include dotfiles when flattening dist during git installs ([917dbbb](https://github.com/anthropics/anthropic-sdk-typescript/commit/917dbbb40070dbd1f861b16fcf297720d96f691b)) * **client:** add models ([a7bfbb1](https://github.com/anthropics/anthropic-sdk-typescript/commit/a7bfbb1b31e9d1dffe9a83b90ec1d0dabf5c36db)) * **messages:** honor per-request timeout in the non-streaming long-request check ([#272](https://github.com/anthropics/anthropic-sdk-typescript/issues/272)) ([0fdd8a8](https://github.com/anthropics/anthropic-sdk-typescript/commit/0fdd8a8feb5d16fbb943490a2b1e8ecf915596d6)) * **streaming:** apply all message_delta fields when accumulating streamed messages ([#289](https://github.com/anthropics/anthropic-sdk-typescript/issues/289)) ([7b82659](https://github.com/anthropics/anthropic-sdk-typescript/commit/7b82659d70201ae3edab846f1693366db7e62ce3)) * **tool-runner:** forward the response container id to the next request ([#271](https://github.com/anthropics/anthropic-sdk-typescript/issues/271)) ([5bdee4a](https://github.com/anthropics/anthropic-sdk-typescript/commit/5bdee4a8ddd83e2f1c71daa429345b3b0fea4602)) * **tools:** align path resolution, skill-archive members, and heartbeat bounds with the other SDKs ([#264](https://github.com/anthropics/anthropic-sdk-typescript/issues/264)) ([5fbc729](https://github.com/anthropics/anthropic-sdk-typescript/commit/5fbc729c82ec3967c9f76428d0f733b5fa61ddd5)) ###### Chores * **ci:** run breaking-change detection as a ci.yml job on every push ([c34c1d5](https://github.com/anthropics/anthropic-sdk-typescript/commit/c34c1d53f3227b3978621590e67f5a33f5cad107)) * **internal:** switch from yarn to pnpm ([f4eeea0](https://github.com/anthropics/anthropic-sdk-typescript/commit/f4eeea09648620d35517513814ffdc3bd3080801)) * **tools:** escape backslashes in skill archive exclusion patterns ([#311](https://github.com/anthropics/anthropic-sdk-typescript/issues/311)) ([67ede1c](https://github.com/anthropics/anthropic-sdk-typescript/commit/67ede1c665883b7785af3240c749601d7ca19255)) ###### Documentation * **api:** clarify that user profile name is optional for resold profiles ([1b6fed5](https://github.com/anthropics/anthropic-sdk-typescript/commit/1b6fed5868bd16dd92120440d373da22084be237)) ### v0.116.0 — sdk: v0.116.0 - Date: 2026-08-07 - Version: v0.116.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.116.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.116.0 - **added** — Add `mid-conversation-tool-changes-2026-07-01` beta API support - **added** — Add support for session budgets, advisor tool, pinned inference location and skills auto-loading from GitHub - **added** — Make bash timeout and abort errors matchable by class in tools - **fixed** — Use hardcoded User-Agent strings instead of constructor names in client - **removed** — Remove retired Claude Opus 4.1 models ##### 0.116.0 (2026-08-07) Full Changelog: [sdk-v0.115.0...sdk-v0.116.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.115.0...sdk-v0.116.0) ###### Features * **api:** add `mid-conversation-tool-changes-2026-07-01` beta ([70e04f6](https://github.com/anthropics/anthropic-sdk-typescript/commit/70e04f689baa233e7cb2fed6bb807562f5595928)) * **api:** add support for session budgets, advisor tool, pinned inference location and skills auto-loading from GitHub ([1336a4a](https://github.com/anthropics/anthropic-sdk-typescript/commit/1336a4a90387a7005f6211b6df5e2b247f4cb6b3)) * **tools:** make bash timeout and abort errors matchable by class ([#259](https://github.com/anthropics/anthropic-sdk-typescript/issues/259)) ([201b12e](https://github.com/anthropics/anthropic-sdk-typescript/commit/201b12e8acd69d7ab7068fe078f7988ab23897d2)) ###### Bug Fixes * **client:** use hardcoded User-Agent strings instead of constructor names ([0b97f04](https://github.com/anthropics/anthropic-sdk-typescript/commit/0b97f04042584d234162a7ff8a5c4b8095ad800e)) ###### Chores * **api:** remove retired Claude Opus 4.1 models ([11b685c](https://github.com/anthropics/anthropic-sdk-typescript/commit/11b685c66fea6d7d8a8e5354af9a188ee6b8c598)) * **docs:** small updates to descriptions ([413cc5f](https://github.com/anthropics/anthropic-sdk-typescript/commit/413cc5f120a1b1879d467ccd7d5edef5b8b1741e)) * **docs:** updates to a few documentation strings ([c38a1de](https://github.com/anthropics/anthropic-sdk-typescript/commit/c38a1de5fc86e9bc59eafdba4adf267398534f6f)) * **internal/deps:** bump @babel/core and @babel/helpers to 7.29.7 ([#261](https://github.com/anthropics/anthropic-sdk-typescript/issues/261)) ([3164934](https://github.com/anthropics/anthropic-sdk-typescript/commit/316493468067bc40a9c00fbf8c7de29c770c4c61)) * **internal/deps:** install tsc-multi from the npm registry ([#265](https://github.com/anthropics/anthropic-sdk-typescript/issues/265)) ([c787f90](https://github.com/anthropics/anthropic-sdk-typescript/commit/c787f9022cf7ba0703bf7399dcb63e491615d2e8)) * **internal:** codegen related update ([73b3d61](https://github.com/anthropics/anthropic-sdk-typescript/commit/73b3d61009118740b0931b537ce03b212c62ab05)) ### v0.115.0 — sdk: v0.115.0 - Date: 2026-07-24 - Version: v0.115.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.115.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.115.0 - **added** — Add claude-opus-5 model - **added** — Add tool addition/removal blocks and tool_change events - **added** — Expand client-side fallback credit token types and add server-side fallbacks default option - **fixed** — Release abort listeners when requests settle ##### 0.115.0 (2026-07-24) Full Changelog: [sdk-v0.114.0...sdk-v0.115.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.114.0...sdk-v0.115.0) ###### Features * **api:** add claude-opus-5 model ([cdd3606](https://github.com/anthropics/anthropic-sdk-typescript/commit/cdd3606e92745b8a6af07819469cf5dc0636edb2)) * **api:** add tool addition/removal blocks and tool_change events ([cdd3606](https://github.com/anthropics/anthropic-sdk-typescript/commit/cdd3606e92745b8a6af07819469cf5dc0636edb2)) * **api:** expand client-side fallback credit token types and add server-side fallbacks default option ([cdd3606](https://github.com/anthropics/anthropic-sdk-typescript/commit/cdd3606e92745b8a6af07819469cf5dc0636edb2)) ###### Bug Fixes * **client:** release abort listeners when requests settle ([#1129](https://github.com/anthropics/anthropic-sdk-typescript/issues/1129)) ([b85e902](https://github.com/anthropics/anthropic-sdk-typescript/commit/b85e902669c78a8293b5390e93e57dd2e3f6c545)) ### v0.114.0 — sdk: v0.114.0 - Date: 2026-07-23 - Version: v0.114.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.114.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.114.0 - **added** — Add new stop reason 'model_context_window_exceeded' ##### 0.114.0 (2026-07-23) Full Changelog: [sdk-v0.113.0...sdk-v0.114.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.113.0...sdk-v0.114.0) ###### Features * **api:** add new stop reason 'model_context_window_exceeded' ([1ec71c1](https://github.com/anthropics/anthropic-sdk-typescript/commit/1ec71c165d9737cb317e3f8fed818f7a1b8169ad)) ### v0.113.0 — sdk: v0.113.0 - Date: 2026-07-22 - Version: v0.113.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.113.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.113.0 - **added** — Add support for Managed Agents model effort, initial session events, and threads delta streaming ##### 0.113.0 (2026-07-22) Full Changelog: [sdk-v0.112.5...sdk-v0.113.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.5...sdk-v0.113.0) ###### Features * **api:** add support for Managed Agents model effort, initial session events, and threads delta streaming ([83fef1e](https://github.com/anthropics/anthropic-sdk-typescript/commit/83fef1e5a65f020750b1f90c46d748a415b6f075)) ### v0.112.5 — sdk: v0.112.5 - Date: 2026-07-21 - Version: v0.112.5 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.112.5 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.112.5 - **added** — Add support for new refusal category ##### 0.112.5 (2026-07-21) Full Changelog: [sdk-v0.112.4...sdk-v0.112.5](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.4...sdk-v0.112.5) ###### Chores * **api:** add support for new refusal category ([479efe8](https://github.com/anthropics/anthropic-sdk-typescript/commit/479efe8ade0078966e28d754fa3085c75b6d2a58)) * **internal:** codegen related update ([830fb74](https://github.com/anthropics/anthropic-sdk-typescript/commit/830fb7467c3cc947e31b5d83a2a31d34fc8ebac2)) ### v0.112.4 — sdk: v0.112.4 - Date: 2026-07-20 - Version: v0.112.4 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.112.4 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.112.4 - **fixed** — Preserve AWS options and auth mode across withOptions() ##### 0.112.4 (2026-07-20) Full Changelog: [sdk-v0.112.3...sdk-v0.112.4](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.3...sdk-v0.112.4) ###### Bug Fixes * **aws:** preserve AWS options and auth mode across withOptions() ([#214](https://github.com/anthropics/anthropic-sdk-typescript/issues/214)) ([3f7665c](https://github.com/anthropics/anthropic-sdk-typescript/commit/3f7665c5419eb80c489546a70da799648e7d5ff2)) ###### Chores * **docs:** small updates ([97f68a8](https://github.com/anthropics/anthropic-sdk-typescript/commit/97f68a88e13ba11b1e903d2d7181da3e4edd5c10)) ### v0.112.3 — sdk: v0.112.3 - Date: 2026-07-17 - Version: v0.112.3 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.112.3 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.112.3 ##### 0.112.3 (2026-07-17) Full Changelog: [sdk-v0.112.2...sdk-v0.112.3](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.2...sdk-v0.112.3) ###### Chores * **docs:** small updates ([79fd6c7](https://github.com/anthropics/anthropic-sdk-typescript/commit/79fd6c7dd046e066965aa7ab9897695c174f88bb)) ### v0.112.2 — sdk: v0.112.2 - Date: 2026-07-17 - Version: v0.112.2 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.112.2 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.112.2 ##### 0.112.2 (2026-07-17) Full Changelog: [sdk-v0.112.1...sdk-v0.112.2](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.1...sdk-v0.112.2) ###### Chores * **client:** docs updates ([fdb3a65](https://github.com/anthropics/anthropic-sdk-typescript/commit/fdb3a65501a809b4e949131f2097dc0d84e01cc7)) ### v0.112.1 — sdk: v0.112.1 - Date: 2026-07-16 - Version: v0.112.1 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.112.1 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.112.1 ##### 0.112.1 (2026-07-16) Full Changelog: [sdk-v0.112.0...sdk-v0.112.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.0...sdk-v0.112.1) ### v0.112.0 — sdk: v0.112.0 - Date: 2026-07-16 - Version: v0.112.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.112.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.112.0 - **added** — Add support for MCP Tunnels ##### 0.112.0 (2026-07-16) Full Changelog: [sdk-v0.111.0...sdk-v0.112.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.111.0...sdk-v0.112.0) ###### Features * **api:** add support for MCP Tunnels ([597ac41](https://github.com/anthropics/anthropic-sdk-typescript/commit/597ac4181f318e46fb974e716467648587e95362)) ### v0.111.0 — sdk: v0.111.0 - Date: 2026-07-10 - Version: v0.111.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.111.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.111.0 - **added** — Add support for dreaming - **changed** — Gate session tool calls on evaluated_permission and bound idle by server stop_reason ##### 0.111.0 (2026-07-10) Full Changelog: [sdk-v0.110.0...sdk-v0.111.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.110.0...sdk-v0.111.0) ###### Features * **api:** add support for dreaming ([77b28a6](https://github.com/anthropics/anthropic-sdk-typescript/commit/77b28a647239fd66d3a31b04fca4a58ebc86e493)) * **tools:** gate session tool calls on evaluated_permission; bound idle by server stop_reason ([68a6d7b](https://github.com/anthropics/anthropic-sdk-typescript/commit/68a6d7b92aaea4d3eaf3a7567db18e3bf6d695ef)) ###### Chores * **docs:** small updates to field descriptions ([e25b885](https://github.com/anthropics/anthropic-sdk-typescript/commit/e25b885eacbf26332e6133abff2ea7d72fef2b30)) * **docs:** update model example ([a33f3f0](https://github.com/anthropics/anthropic-sdk-typescript/commit/a33f3f0b7cee244f2dc894900e9fa07cf686228b)) * **docs:** updates to descriptions and examples ([eac4bac](https://github.com/anthropics/anthropic-sdk-typescript/commit/eac4bace325ae901465edf7a503183f669c3c2d8)) ### v0.110.0 — sdk: v0.110.0 - Date: 2026-07-02 - Version: v0.110.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.110.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.110.0 - **added** — Add agent-memory-2026-07-22 beta header support ##### 0.110.0 (2026-07-02) Full Changelog: [sdk-v0.109.1...sdk-v0.110.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.109.1...sdk-v0.110.0) ###### Features * **api:** add agent-memory-2026-07-22 beta header ([a470e10](https://github.com/anthropics/anthropic-sdk-typescript/commit/a470e10aaad12078e3e5f2bb9adf6c2652ea9ca0)) ### v0.109.1 — sdk: v0.109.1 - Date: 2026-07-01 - Version: v0.109.1 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.109.1 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.109.1 - **removed** — Remove some nonfunctional types from the SDKs ##### 0.109.1 (2026-07-01) Full Changelog: [sdk-v0.109.0...sdk-v0.109.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.109.0...sdk-v0.109.1) ###### Chores * **api:** remove some nonfunctional types from the SDKs ([cc4dd4e](https://github.com/anthropics/anthropic-sdk-typescript/commit/cc4dd4e257cc3354f14e263b0d2441ddae71759e)) ### v0.109.0 — sdk: v0.109.0 - Date: 2026-06-30 - Version: v0.109.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.109.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.109.0 - **added** — Add support for Managed Agents event delta streaming - **added** — Add support for agent overrides - **added** — Add support for reverse pagination - **added** — Add support for vault credential injection scoping - **added** — Add support for agent and deployment webhook events ##### 0.109.0 (2026-06-30) Full Changelog: [sdk-v0.108.0...sdk-v0.109.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.108.0...sdk-v0.109.0) ###### Features * **api:** add support for Managed Agents event delta streaming, agent overrides, reverse pagination, vault credential injection scoping, and agent and deployment webhook events ([7f3211b](https://github.com/anthropics/anthropic-sdk-typescript/commit/7f3211b4886053d25e98b91edc90fedc199ef186)) ### v0.108.0 — sdk: v0.108.0 - Date: 2026-06-30 - Version: v0.108.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.108.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.108.0 - **added** — Add support for claude-sonnet-5 - **fixed** — Allow absolute paths that resolve inside workdir in agent-toolset ##### 0.108.0 (2026-06-30) Full Changelog: [sdk-v0.107.0...sdk-v0.108.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.107.0...sdk-v0.108.0) ###### Features * **api:** add support for claude-sonnet-5 ([4588db0](https://github.com/anthropics/anthropic-sdk-typescript/commit/4588db01eccd7529a5d2e99b8e5da3af1acdbbc8)) ###### Bug Fixes * **agent-toolset:** allow absolute paths that resolve inside workdir ([#112](https://github.com/anthropics/anthropic-sdk-typescript/issues/112)) ([e951fb2](https://github.com/anthropics/anthropic-sdk-typescript/commit/e951fb2ed70f8d6cd0113ae1642a795404e1cc9a)) ###### Chores * format README.md ([#176](https://github.com/anthropics/anthropic-sdk-typescript/issues/176)) ([98dcff7](https://github.com/anthropics/anthropic-sdk-typescript/commit/98dcff71b632a92e0e1dff19ca4a95439a5fe447)) ### v0.107.0 — sdk: v0.107.0 - Date: 2026-06-29 - Version: v0.107.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.107.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.107.0 - **added** — Add support for 20260318 web fetch and support tools - **fixed** — Bound canonicalize symlink hops and resolve glob matches before confinement check in agent-toolset - **fixed** — Restore BatchCreateParams.Request.params dropped by codegen merge - **changed** — Accept user profile ID's when counting tokens ##### 0.107.0 (2026-06-29) Full Changelog: [sdk-v0.106.0...sdk-v0.107.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.106.0...sdk-v0.107.0) ###### Features * **api:** add support for 20260318 web fetch and support tools ([d7057ea](https://github.com/anthropics/anthropic-sdk-typescript/commit/d7057ea73ba564d1e89cff40c58a85d9375ccbbf)) ###### Bug Fixes * **agent-toolset:** bound canonicalize symlink hops; resolve glob matches before confinement check ([#142](https://github.com/anthropics/anthropic-sdk-typescript/issues/142)) ([277be80](https://github.com/anthropics/anthropic-sdk-typescript/commit/277be80af68eb088e954c0008dc1aa932375afe2)) * **types:** restore BatchCreateParams.Request.params dropped by codegen merge ([#165](https://github.com/anthropics/anthropic-sdk-typescript/issues/165)) ([c6b68d2](https://github.com/anthropics/anthropic-sdk-typescript/commit/c6b68d248e037617017fc00f928dbeb9091f917d)) ###### Chores * **api:** accept user profile ID's when counting tokens ([6cda67e](https://github.com/anthropics/anthropic-sdk-typescript/commit/6cda67e3b9d97505aa24e318cd22e28837760025)) * **docs:** updates to descriptions and example values ([51a5f81](https://github.com/anthropics/anthropic-sdk-typescript/commit/51a5f8138f8e771a84456628ec9d31b6257d2f3f)) ###### Documentation * update readme requirements to match anthropic docs ([#146](https://github.com/anthropics/anthropic-sdk-typescript/issues/146)) ([3818412](https://github.com/anthropics/anthropic-sdk-typescript/commit/3818412d371372fa1054b34a7293853fb3bfbef3)) ### v0.106.0 — sdk: v0.106.0 - Date: 2026-06-24 - Version: v0.106.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.106.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.106.0 - **added** — Add support for system.message streaming events - **fixed** — Fix x-stainless-helper header as single source with append semantics and tag the fallback middleware - **added** — Add support for new refusal category - **added** — Add support for sending User Profile ID in request headers ##### 0.106.0 (2026-06-24) Full Changelog: [sdk-v0.105.0...sdk-v0.106.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.105.0...sdk-v0.106.0) ###### Features * **client:** add support for system.message streaming events ([a7c14b7](https://github.com/anthropics/anthropic-sdk-typescript/commit/a7c14b7ffc8295e34d8c159d1374f170d2b87767)) ###### Bug Fixes * **helpers:** single source for x-stainless-helper, append semantics, and tag the fallback middleware ([#107](https://github.com/anthropics/anthropic-sdk-typescript/issues/107)) ([106bea0](https://github.com/anthropics/anthropic-sdk-typescript/commit/106bea081439ece2cb0170e56b24c5f039af5e16)) ###### Chores * **api:** add support for new refusal category ([b38fd01](https://github.com/anthropics/anthropic-sdk-typescript/commit/b38fd01d15bcd519aa66cd640a8ad40310ae9d01)) * **api:** add support for sending User Profile ID in request headers ([198583e](https://github.com/anthropics/anthropic-sdk-typescript/commit/198583e2fc3236f62a85ef7be0bfdfdea2164264)) ### v0.105.0 — sdk: v0.105.0 - Date: 2026-06-18 - Version: v0.105.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.105.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.105.0 - **added** — Add support for new code_execution_20260120 tool - **changed** — Lazily parse partial tool json input in stream ##### 0.105.0 (2026-06-18) Full Changelog: [sdk-v0.104.2...sdk-v0.105.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.104.2...sdk-v0.105.0) ###### Features * **api:** add support for new code_execution_20260120 tool ([8dc2b54](https://github.com/anthropics/anthropic-sdk-typescript/commit/8dc2b54ee9f19cfc0a8f5cb49d0e1b93f4a4cadd)) * **stream:** lazily parse partial tool json input ([#99](https://github.com/anthropics/anthropic-sdk-typescript/issues/99)) ([e55ceee](https://github.com/anthropics/anthropic-sdk-typescript/commit/e55ceee5e3053ada96a7fe008b1fd6ebc0e42544)) ###### Chores * **internal/deps:** bump swc to 1.15.40 ([#97](https://github.com/anthropics/anthropic-sdk-typescript/issues/97)) ([a1d4d75](https://github.com/anthropics/anthropic-sdk-typescript/commit/a1d4d7549251f88100f44b0350f6123c9cbea5ec)) * **internal:** use are the types wrong directly ([#94](https://github.com/anthropics/anthropic-sdk-typescript/issues/94)) ([3d362af](https://github.com/anthropics/anthropic-sdk-typescript/commit/3d362afd0aade3d18f10e61a5e4809c0bd495768)) * **tests:** stop using deprecated models ([#98](https://github.com/anthropics/anthropic-sdk-typescript/issues/98)) ([65ae1af](https://github.com/anthropics/anthropic-sdk-typescript/commit/65ae1afee1bb76179c58e1758a48d668e3fcf7b3)) ### v0.104.2 — sdk: v0.104.2 - Date: 2026-06-15 - Version: v0.104.2 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.104.2 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.104.2 - **removed** — Remove retired models from API and SDKs ##### 0.104.2 (2026-06-15) Full Changelog: [sdk-v0.104.1...sdk-v0.104.2](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.104.1...sdk-v0.104.2) ###### Chores * **api:** remove retired models from API and SDKs ([a942876](https://github.com/anthropics/anthropic-sdk-typescript/commit/a94287690a383ba34aa0d2ad9e0262eeb9241bd3)) ### v0.104.1 — sdk: v0.104.1 - Date: 2026-06-09 - Version: v0.104.1 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.104.1 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.104.1 - **added** — Add frontier_llm refusal category to the API ##### 0.104.1 (2026-06-09) Full Changelog: [sdk-v0.104.0...sdk-v0.104.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.104.0...sdk-v0.104.1) ###### Bug Fixes * **api:** add `frontier_llm` refusal category ([465e686](https://github.com/anthropics/anthropic-sdk-typescript/commit/465e6866d66952c0a0a9eb2c465b2e4389da58f1)) ### v0.104.0 — sdk: v0.104.0 - Date: 2026-06-09 - Version: v0.104.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.104.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.104.0 - **added** — Add support for Managed Agents deployments and environment variable credentials ##### 0.104.0 (2026-06-09) Full Changelog: [sdk-v0.103.0...sdk-v0.104.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.103.0...sdk-v0.104.0) ###### Features * **api:** add support for Managed Agents deployments and environment variable credentials ([d01e38b](https://github.com/anthropics/anthropic-sdk-typescript/commit/d01e38b5b6f62400450b727d9724ea00a6b1eaf5)) ### v0.103.0 — sdk: v0.103.0 - Date: 2026-06-09 - Version: v0.103.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.103.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.103.0 - **added** — Add support for claude-mythos-5 and claude-fable-5 models with server-side fallbacks on refusal - **added** — Add client-side fallbacks middleware for API providers that do not support server-side fallbacks - **added** — Add ctx.logger to middleware - **fixed** — Fix third-party middleware ordering ##### 0.103.0 (2026-06-09) Full Changelog: [sdk-v0.102.0...sdk-v0.103.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.102.0...sdk-v0.103.0) ###### Features * **api:** add support for claude-mythos-5 and claude-fable-5, with support for server-side fallbacks on refusal ([cc337f7](https://github.com/anthropics/anthropic-sdk-typescript/commit/cc337f72dcf22d2ffd92f511918330f37ffab652)) * **client:** adds client-side fallbacks middleware for API providers that do not support server-side fallbacks ([cc337f7](https://github.com/anthropics/anthropic-sdk-typescript/commit/cc337f72dcf22d2ffd92f511918330f37ffab652)) * **middleware:** add ctx.logger ([#55](https://github.com/anthropics/anthropic-sdk-typescript/issues/55)) ([edd1454](https://github.com/anthropics/anthropic-sdk-typescript/commit/edd14544173cf60ee2a2bf01acbf14e50bcfdaaa)) ###### Bug Fixes * **client:** 3p middleware ordering ([#53](https://github.com/anthropics/anthropic-sdk-typescript/issues/53)) ([2a4c339](https://github.com/anthropics/anthropic-sdk-typescript/commit/2a4c339e6887aa2e8e1278c7b22d3732cf64a76c)) ### v0.102.0 — sdk: v0.102.0 - Date: 2026-06-06 - Version: v0.102.0 - Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.102.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.102.0 - **changed** — Update Managed Agents types with small improvements - **fixed** — Run middleware before request signing ##### 0.102.0 (2026-06-06) Full Changelog: [sdk-v0.101.0...sdk-v0.102.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.101.0...sdk-v0.102.0) ###### Features * **api:** small updates to Managed Agents types ([8ba4f92](https://github.com/anthropics/anthropic-sdk-typescript/commit/8ba4f92df32eb434503b8c69bc7328adc5edcbec)) ###### Bug Fixes * **client:** run middleware before request signing ([#45](https://github.com/anthropics/anthropic-sdk-typescript/issues/45)) ([95f1a4a](https://github.com/anthropics/anthropic-sdk-typescript/commit/95f1a4a406c95aa31855fa1178fedfcb19978e16))