langchain Examples and Free Source Code

How to solve GRAPH_RECURSION_LIMIT error in langgraph and streamlit?...

python artificial-intelligence streamlit langchain langgraph

RuntimeError: Expected all tensors to be on the same device when using local HuggingFace model in La...

python nlp huggingface-transformers langchain

langgraph tool missing required positional argument: 'tool_call_id'"...

langchain langgraph

Expected type 'BaseChatModel', got 'ChatGoogleGenerativeAI' instead In Agent AI...

python python-3.x langchain google-generativeai browser-use

How to print input requests and output responses in Ollama server?...

prompt langchain ollama

ValueError: variable agent_scratchpad should be a list of base messages, got of type <class '...

python langchain valueerror py-langchain langchain-agents

RAG using Langchain / Chroma - Unable to save more than 99 Records to Database...

database vector langchain chromadb retrieval-augmented-generation

MCPToolConversionError: Failed to get tools from MCP server: 404...

python langchain model-context-protocol

Cache updates in chatbot when adding new documents...

python caching artificial-intelligence chatbot langchain

How to delete a thread with MemorySaver?...

javascript langchain langgraph langchain-js

Langchain workaround for with_structured_output using ChatBedrock...

python langchain amazon-bedrock claude

Get all documents from ChromaDb using Python and langchain...

python langchain py-langchain chromadb

Why can't (langchain) AzureOpenAI find a model that AzureChatOpenAI can?...

python langchain large-language-model azure-openai

Issue with loading online pdf in python notebook using langchain PyPDFLoader...

python pdf pypdf langchain

Migrate from LLMChain to pipe operator...

python langchain

Langchain / ChromaDB: Why does VectorStore return so many duplicates?...

python openai-api langchain py-langchain chromadb

Conditional Edge in Langgraph is not working as expected...

python langchain agent langgraph langchain-agents

Error with LangChain ChatPromptTemplate.from_messages...

python langchain

module 'numpy' has no attribute '_no_nep50_warning'...

python embedding langchain

ERROR: The prompt size exceeds the context window size and cannot be processed...

langchain huggingface large-language-model llama-index gpt4all

Llama3.2 fails to respond to simple text inputs when bounded with tool calling on LangGraph...

langchain function-call ollama langgraph llama3

How to implement subgraph memory/persistence in LangGraph when parent and subgraph states diverge?...

python langchain langgraph

Can we use one base language model for `create_react_agent()` and different models for the tools?...

openai-api langchain large-language-model agent

PydanticUserError: If you use `@root_validator` with pre=False (the default) you MUST specify `skip_...

python prompt pydantic langchain llama-index

Force LangChain agent to use a tool...

langchain py-langchain tool-calling

ModuleNotFoundError: No module named 'llama_index.embeddings.langchain'...

python langchain word-embedding llama-index

What does langchain CharacterTextSplitter's chunk_size param even do?...

python machine-learning text nlp langchain

ERROR: ERROR: Failed to build installable wheels for some pyproject.toml based projects (tiktoken)...

python-3.x openai-api langchain py-langchain

Lanchain's SelfQueryRetriever is not generating some query params...

langchain

ImportError: Could not import chromadb python package. Please install it with `pip install chromadb`...

langchain large-language-model chromadb