All pull requests

Pull requests

• feat(langchain): resumable hosted OAuth provider in langchain.mcp.oauth

  featureinternallangchainsize: XL
  #41262·Mason Daugherty (mdrxy) opened Oct 15, 2026Member·

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  5

• feat(core): emit tool-call-delta for streamed tool-call args

  coredependenciesfeatureinternallangchainsize: M
  #41257·Richard Scarrott (richardscarrott) opened Oct 15, 2026Contributor·

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  2

• feat(core,langchain,standard-tests): read tool-call-delta in stream consumers

  corefeatureinternallangchainsize: Lstandard-tests
  #41246·Richard Scarrott (richardscarrott) opened Oct 14, 2026Contributor·

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  5

• fix(typesafe): reject empty questions in TypeSafeClassifier

  externalfixintegrationsize: XStypesafe
  #41241·Champions Zhang (ChampionsZhang) opened Oct 14, 2026Contributor·

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  1

• feat(langchain): apply input inserted into a running agent before its next model call

  dependenciesfeatureinternallangchainsize: S
  #41232·Thushanth Bengre (thushanth-bengre-langchain) opened Oct 13, 2026·

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  2

• feat(anthropic): support Claude Haiku 5.5

  anthropicdependenciesfeatureintegrationinternalsize: M
  #41140·Hunter Lovell (hntrl) opened Oct 7, 2026Member·

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  1

• fix(core): build the run URL of a tracer that sends runs to an agent

  corefixinternalsize: S
  #41126·KiewanVillatel opened Oct 7, 2026·2/2·3 tasks done·

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  5

• fix(core): exclude prefixed credential keys from configurable tracing metadata

  corefixinternalsize: XS
  #41050·Emil F (emil-lc) opened Oct 5, 2026Contributor·

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  1

• fix(anthropic): redact MCP authorization_token from invocation params

  anthropicfixintegrationinternalsize: XS
  #41049·Emil F (emil-lc) opened Oct 5, 2026Contributor·

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• fix(openai,anthropic,groq): hide default_headers from serialization and repr

  anthropicfixgroqintegrationinternalopenaisize: S
  #41048·Emil F (emil-lc) opened Oct 5, 2026Contributor·

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  2

• fix(openai): require an explicit model in ChatOpenAI

  fixintegrationinternallangchainlangchain-classicopenaisize: S
  #41041·Mason Daugherty (mdrxy) opened Oct 4, 2026Member·

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  5

• fix(langchain): stop jump_to="tools" from bypassing HITL review

  externalfixlangchainnew-contributorsize: L
  #41023·Udit Sharma (uditstocks) opened Oct 3, 2026·

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  1

  8

• fix(openai): filter foreign reasoning from Responses input

  fixintegrationinternalopenaisize: XS
  #41004·ccurme (ccurme) opened Oct 2, 2026Collaborator·

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  4

• fix(groq): filter invalid tool call blocks in v1 conversion

  externalfixgroqintegrationnew-contributorsize: S
  #40993·agustin18 opened Oct 2, 2026·

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  1

  2

• fix(openai): normalize content-policy refusal errors

  fixintegrationinternalopenaisize: S
  #40988·Mason Daugherty (mdrxy) opened Oct 2, 2026Member·

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  2

• chore(langchain): model router review edits

  infrainternallangchainsize: M
  #40982·Hunter Lovell (hntrl) opened Oct 1, 2026Member·

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  6

• docs: update OpenWiki

  #40925·github-actions[bot] opened Sep 30, 2026Bot·

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• feat(langchain): add criteria-based model routing middleware

  featureinternallangchainsize: L
  #40922·open-swe[bot] opened Sep 30, 2026Bot·

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  1

• feat(langchain): add configurable model routing middleware

  featureinternallangchainsize: L
  #40921·Sydney Runkle (sydney-runkle) opened Sep 30, 2026Collaborator·

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  9

• feat(core): support langsmith agent addressing in LangChainTracer

  corefeatureinternalsize: M
  #40832·KiewanVillatel opened Sep 25, 2026·1/2·2 of 3 tasks·

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  5

• feat(typesafe): select SemIf for TsHybridToolSelectorMiddleware

  featureintegrationinternalsize: Stypesafe
  #40813·Thushanth Bengre (thushanth-bengre-langchain) opened Sep 24, 2026·

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• feat(typesafe): select SemIf for TsChoiceToolSelectorMiddleware

  featureintegrationinternalsize: XStypesafe
  #40812·Thushanth Bengre (thushanth-bengre-langchain) opened Sep 24, 2026·

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• feat(typesafe): select SemIf for TsToolSelectorMiddleware

  featureintegrationinternalsize: XStypesafe
  #40811·Thushanth Bengre (thushanth-bengre-langchain) opened Sep 24, 2026·

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• feat(typesafe): experimental add TsHybridToolSelectorMiddleware

  featureintegrationinternalsize: Mtypesafe
  #40801·Thushanth Bengre (thushanth-bengre-langchain) opened Sep 24, 2026·

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• feat(typesafe): experimental classifier based TsChoiceToolSelectorMiddleware

  featureintegrationinternalsize: Mtypesafe
  #40799·Thushanth Bengre (thushanth-bengre-langchain) opened Sep 23, 2026·

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