langchain-ai/langchain

core: docstrings shouldn't inherit from parents 2 days ago

help wanted core v1 internal

141.0K

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Python

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`aadd_texts() got multiple values for keyword argument 'ids'` 10 days ago

help wanted bug qdrant external

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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`EvaluationResult.feedback_config` silently drops unknown or partial dict fields without error 12 days ago

documentation help wanted bug core external

langchain-ai/langchain

141.0K

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Python

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core: leak when using object member in a `RunnableSequence` 14 days ago

help wanted bug investigate core external

langchain-ai/langchain

141.0K

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Python

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AzureChatOpenAI creates a new `httpx` client on each instantiation 15 days ago

help wanted bug openai external

langchain-ai/langchain

141.0K

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Python

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Reasoning model with structured output 17 days ago

help wanted bug investigate integration openai external

langchain-ai/langchain

141.0K

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Python

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Support structured output with Pydantic models in `langchain-huggingface` 19 days ago

help wanted investigate integration huggingface external

langchain-ai/langchain

141.0K

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Python

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String Evaluation with labelled criteria Scoring is wrong 19 days ago

help wanted investigate langchain-classic external

langchain-ai/langchain

141.0K

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Python

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`langchain_chroma.Chroma` used with `chromadb.AsyncHttpClient`? 22 days ago

help wanted investigate chroma external

langchain-ai/langchain

141.0K

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Python

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The batch method from ChatModels and all the Runnables does not really support the OpenAI batch API. 23 days ago

help wanted openai external

langchain-ai/langchain

141.0K

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Python

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openai: `bind_tools` not callable after `with_structured_output` 23 days ago

help wanted investigate openai external

langchain-ai/langchain

141.0K

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Python

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Add Perplexity cost tracking 23 days ago

help wanted investigate integration perplexity external

langchain-ai/langchain

141.0K

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Python

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Bug bounty about 1 month ago

documentation help wanted bug great-writeup integration core langchain feature request anthropic ollama openai performance openrouter security

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

#agents#ai#ai-agents#anthropic#chatgpt#deepagents#enterprise#framework#gemini#generative-ai#langchain#langgraph#llm#multiagent#open-source#openai#pydantic#python#rag#typescript

Potential validation issue when using `StateLike` in `Annotation` for a tool about 2 months ago

help wanted internal

langchain-ai/langchain

141.0K

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Python

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VLLMOpenAI api issues 2 months ago

help wanted investigate openai external

langchain-ai/langchain

141.0K

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Python

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`llm.ainvoke` is traced differently than `llm.invoke` (won't be traced) 3 months ago

help wanted bug core external

langchain-ai/langchain

141.0K

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Python

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core: `missing_required_parameter` when using LangGraph to pass multimodal data to models 3 months ago

help wanted investigate core external

langchain-ai/langchain

141.0K

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Python

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`aconfig_with_context()` makes a blocking call 4 months ago

help wanted bug core external

langchain-ai/langchain

141.0K

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Python

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`ChatHuggingface` is reaching out to huggingface when using local `HuggingFaceEndpoint` 4 months ago

help wanted bug integration huggingface external

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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LangChain-OpenAI raises error due to null choices when using vLLM OpenAI-compatible API 4 months ago

help wanted bug investigate openai external

langchain-ai/langchain

141.0K

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Python

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RAG model in tutorial outputs JSON without thoughts instead of saying 'I don't know' 5 months ago

documentation help wanted bug investigate external

langchain-ai/langchain

141.0K

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Python

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`handle_event` raises `IndexError` when handler raises `NotImplementedError` 5 months ago

help wanted bug investigate core external

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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`ChatPromptTemplate` `save()` not implemented 5 months ago

help wanted bug external

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

#agents#ai#ai-agents#anthropic#chatgpt#deepagents#enterprise#framework#gemini#generative-ai#langchain#langgraph#llm#multiagent#open-source#openai#pydantic#python#rag#typescript

json_schema `_retrieve_ref` fails to process list element with dict lookup method 5 months ago

help wanted core external

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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`get_template_variables` Incorrectly Parses Nested Variables in mustache Format 5 months ago

help wanted core external

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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ChromaDB document deletion not working 6 months ago

help wanted integration chroma external

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

#agents#ai#ai-agents#anthropic#chatgpt#deepagents#enterprise#framework#gemini#generative-ai#langchain#langgraph#llm#multiagent#open-source#openai#pydantic#python#rag#typescript

`MistrailAIEmbeddings` 400 errors on documents of length over 27000 6 months ago

help wanted investigate great-writeup integration mistralai external

langchain-ai/langchain

141.0K

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Python

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openai: intermittent `LengthFinishReasonError` in `AzureChatOpenAI` 6 months ago

help wanted bug investigate openai external

langchain-ai/langchain

141.0K

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Python

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`HTMLSemanticPreservingSplitter` `elements_to_preserve` replacement order issue 6 months ago

help wanted bug text-splitters external

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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Tool artifact not in `on_tool_end` event when using `astream_events` 6 months ago

help wanted investigate core external

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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Use XML formatting in `get_buffer_string` for clearer message boundaries 6 months ago

help wanted core feature request

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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`HTMLSemanticPreservingSplitter` Preserved Elements ignores child elements 6 months ago

help wanted bug text-splitters

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

#agents#ai#ai-agents#anthropic#chatgpt#deepagents#enterprise#framework#gemini#generative-ai#langchain#langgraph#llm#multiagent#open-source#openai#pydantic#python#rag#typescript

`init_chat_model` doesn't work with huggingface models 7 months ago

good first issue bug integration huggingface

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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Custom Mistral model returns `"content": null` for a tool call, failing Pydantic mapping 7 months ago

help wanted bug investigate mistralai

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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Add R programming to langchain_text_splitters.Language 8 months ago

help wanted text-splitters feature request

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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core: `BaseCallbackManager.merge()` mixes `handlers` and `inheritable_handlers` in a confusing way 8 months ago

help wanted investigate core

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

#agents#ai#ai-agents#anthropic#chatgpt#deepagents#enterprise#framework#gemini#generative-ai#langchain#langgraph#llm#multiagent#open-source#openai#pydantic#python#rag#typescript

`Neo4jVector.from_existing_index` cannot be used with databases other than `'neo4j'` 8 months ago

help wanted bug investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

#agents#ai#ai-agents#anthropic#chatgpt#deepagents#enterprise#framework#gemini#generative-ai#langchain#langgraph#llm#multiagent#open-source#openai#pydantic#python#rag#typescript

choosing `score_threshold` in `similarity_search_with_relevance_scores` and faiss storage with `distance==DistanceStrategy.MAX_INNER_PRODUCT` 8 months ago

help wanted investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

#agents#ai#ai-agents#anthropic#chatgpt#deepagents#enterprise#framework#gemini#generative-ai#langchain#langgraph#llm#multiagent#open-source#openai#pydantic#python#rag#typescript

Unable to extract tables with `partition_pdf()` 8 months ago

help wanted bug investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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feat(deepseek): Strict-mode 9 months ago

help wanted investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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`load()` does not apply `secrets_map` to plain string values 9 months ago

help wanted bug core

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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Error while using Qwen/Qwen3-Reranker-0.6B with Cross Encoder Reranker 10 months ago

help wanted bug investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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only google search?how about baidu search?how to use it? 10 months ago

help wanted

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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Error when loading `langchain.vectorstores.Chroma` on different server with different num of cores 10 months ago

help wanted bug investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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core: `dereference_refs` seems to lead to infinite recursion 10 months ago

help wanted bug

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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Cannot use GPT-OSS-120b with `ChatTogether` and tools for `crate_react_agent` 10 months ago

help wanted bug investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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`ToolNode` `ainvoke` freezes if `sse_read_timeout` 10 months ago

help wanted bug investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

#agents#ai#ai-agents#anthropic#chatgpt#deepagents#enterprise#framework#gemini#generative-ai#langchain#langgraph#llm#multiagent#open-source#openai#pydantic#python#rag#typescript

Not Being Able to Pass `run_name` to a child `Runnable` 10 months ago

help wanted

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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qwen3-14b Model Returns `None` Causing Validation Error 10 months ago

help wanted bug investigate integration

langchain-ai/langchain

141.0K

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Python

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WatsonX Models don't work with `tool_calls`, always use tools 10 months ago

help wanted bug investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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`AzureCosmosDBNoSqlVectorSearch` custom `text_key`, `metadata_key`, `embedding_key` key error 10 months ago

help wanted integration

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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AWS OSS Doc ID and Filter nor working 10 months ago

help wanted investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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LanceDB `query_type` unable to pass 10 months ago

help wanted investigate

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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migrate from `tree-sitter-languages` 10 months ago

help wanted

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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Using AzureSearch with custom vector field names 10 months ago

help wanted bug integration

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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langchain-xai: test_serdes fails due to protocol changes 10 months ago

help wanted bug

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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FAISS vector store returns wrong score when use with COSINE distance 11 months ago

help wanted bug

langchain-ai/langchain

141.0K

The agent engineering platform.

Python

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