LangChain Utilities

CSV Agent

Construct a CSV agent from a CSV and tools.

Input	Type	Required
File Path	file	Yes
Allow Dangerous Code	bool	Yes
watsonx API Endpoint	str	No
Text	str	Yes
Language Model	model	Yes
watsonx Project ID	str	No

Advanced options: Agent Description [Deprecated], Agent Type, API Key, Handle Parse Errors, Max Iterations, Pandas Kwargs, Verbose

Output	Type
Response	Message
Agent	AgentExecutor

Character Text Splitter

Split text by number of characters.

Input	Type	Required
Input	other	Yes
Chunk Overlap	int	No
Chunk Size	int	No
Separator	str	No

Output	Type
JSON	JSON

ConversationChain

Chain to have a conversation and load context from memory.

Input	Type	Required
Language Model	other	Yes
Memory	other	No
Input	str	Yes

Output	Type
Text	Message

Fake Embeddings

Generate fake embeddings, useful for initial testing and connecting components.

Input	Type	Required
Dimensions	int	No

Output	Type
Embedding Model	Embeddings

HTML Link Extractor

Extract hyperlinks from HTML content.

Input	Type	Required
Input	other	Yes
Drop URL fragments	bool	No
Kind of edge	str	No

Output	Type
JSON	JSON

JsonAgent

Construct a json agent from an LLM and tools.

Input	Type	Required
Language Model	other	Yes
File Path	file	Yes
Input	str	No

Advanced options: Agent Description [Deprecated], Handle Parse Errors, Max Iterations, Verbose

Output	Type
Response	Message
Agent	AgentExecutor

LLMCheckerChain

Chain for question-answering with self-verification.

Input	Type	Required
Language Model	other	Yes
Input	str	Yes

Output	Type
Text	Message

LLMMathChain

Chain that interprets a prompt and executes python code to do math.

Input	Type	Required
Language Model	other	Yes
Input	str	Yes

Output	Type
Message	Message

Language Recursive Text Splitter

Split text into chunks of a specified length based on language.

Input	Type	Required
Input	other	Yes
Chunk Overlap	int	No
Chunk Size	int	No
Code Language	str	No

Output	Type
JSON	JSON

Natural Language Text Splitter

Split text based on natural language boundaries, optimized for a specified language.

Input	Type	Required
Input	other	Yes
Chunk Overlap	int	No
Chunk Size	int	No
Language	str	No
Separator	str	No

Output	Type
JSON	JSON

Natural Language to SQL

Generate SQL from natural language.

Input	Type	Required
SQLDatabase	other	Yes
Language Model	other	Yes
Input	str	Yes
Prompt	str	No
Top K	int	No

Output	Type
Message	Message

OpenAI Tools Agent

Agent that uses tools via openai-tools.

Input	Type	Required
Tools	other	No
watsonx API Endpoint	str	No
Input	str	No
Language Model	model	Yes
watsonx Project ID	str	No
System Prompt	str	No
Prompt	str	No

Advanced options: Chat History, Agent Description [Deprecated], API Key, Handle Parse Errors, Max Iterations, Verbose

Output	Type
Response	Message
Agent	AgentExecutor

OpenAPI Agent

Agent to interact with OpenAPI API.

Input	Type	Required
File Path	file	Yes
Allow Dangerous Requests	bool	Yes
watsonx API Endpoint	str	No
Input	str	No
Language Model	model	Yes
watsonx Project ID	str	No

Advanced options: Agent Description [Deprecated], API Key, Handle Parse Errors, Max Iterations, Verbose

Output	Type
Response	Message
Agent	AgentExecutor

Prompt Hub

Prompt Component that uses LangChain Hub prompts

Input	Type	Required
LangChain API Key	str	Yes
LangChain Hub Prompt	str	Yes

Output	Type
Build Prompt	Message

Recursive Character Text Splitter

Split text trying to keep all related text together.

Input	Type	Required
Input	other	Yes
Chunk Overlap	int	No
Chunk Size	int	No
Separators	str	No

Output	Type
JSON	JSON

Retrieval QA

Chain for question-answering querying sources from a retriever.

Input	Type	Required
Language Model	other	Yes
Memory	other	No
Retriever	other	Yes
Input	str	Yes
Return Source Documents	bool	No

Advanced options: Chain Type

Output	Type
Text	Message

Runnable Executor

Execute a runnable. It will try to guess the input and output keys.

Input	Type	Required
Agent Executor	other	Yes
Input	str	Yes
Stream	bool	No

Advanced options: Input Key, Output Key

Output	Type
Message	Message

SQLAgent

Construct an SQL agent from an LLM and tools.

Input	Type	Required
watsonx API Endpoint	str	No
Database URI	str	Yes
Input	str	No
Language Model	model	Yes
watsonx Project ID	str	No

Advanced options: Extra Tools, Agent Description [Deprecated], API Key, Handle Parse Errors, Max Iterations, Verbose

Output	Type
Response	Message
Agent	AgentExecutor

SQLDatabase

SQL Database

Input	Type	Required
URI	str	Yes

Output	Type
SQLDatabase	SQLDatabase

Self Query Retriever

Retriever that uses a vector store and an LLM to generate the vector store queries.

Input	Type	Required
Metadata Field Info	other	No
LLM	other	No
Query	other	No
Vector Store	other	No
Document Content Description	str	No

Output	Type
Retrieved Documents	JSON

Semantic Text Splitter

Split text into semantically meaningful chunks using semantic similarity.

Input	Type	Required
Data Inputs	other	Yes
Embeddings	other	Yes
Breakpoint Threshold Amount	float	No
Breakpoint Threshold Type	str	No
Number of Chunks	int	No

Advanced options: Buffer Size, Sentence Split Regex

Output	Type
Chunks	JSON

Spider Web Crawler & Scraper

Spider API for web crawling and scraping.

Input	Type	Required
Mode	str	Yes
Additional Parameters	dict	No
Spider API Key	str	Yes
URL	str	Yes

Advanced options: Blacklist, Depth, Limit, Metadata, Use Readability, Request Timeout, Whitelist

Output	Type
Markdown	JSON

Tool Calling Agent

An agent designed to utilize various tools seamlessly within workflows.

Input	Type	Required
Tools	other	No
watsonx API Endpoint	str	No
Input	str	No
Language Model	model	Yes
watsonx Project ID	str	No
System Prompt	str	No

Advanced options: Chat Memory, Agent Description [Deprecated], API Key, Handle Parse Errors, Max Iterations, Verbose

Output	Type
Response	Message
Agent	AgentExecutor

VectorStoreInfo

Information about a VectorStore

Input	Type	Required
Vector Store	other	Yes
Description	str	Yes
Name	str	Yes

Output	Type
Vector Store Info	VectorStoreInfo

VectorStoreRouterAgent

Construct an agent from a Vector Store Router.

Input	Type	Required
Language Model	other	Yes
Vector Stores	other	Yes
Input	str	No

Advanced options: Agent Description [Deprecated], Handle Parse Errors, Max Iterations, Verbose

Output	Type
Response	Message
Agent	AgentExecutor

XML Agent

Agent that uses tools formatting instructions as xml to the Language Model.

Input	Type	Required
Tools	other	No
watsonx API Endpoint	str	No
Input	str	No
Language Model	model	Yes
watsonx Project ID	str	No
System Prompt	str	No
Prompt	str	No

Advanced options: Chat History, Agent Description [Deprecated], API Key, Handle Parse Errors, Max Iterations, Verbose

Output	Type
Response	Message
Agent	AgentExecutor

CSV AgentCopy Anchor Link

Character Text SplitterCopy Anchor Link

ConversationChainCopy Anchor Link

Fake EmbeddingsCopy Anchor Link

HTML Link ExtractorCopy Anchor Link

JsonAgentCopy Anchor Link

LLMCheckerChainCopy Anchor Link

LLMMathChainCopy Anchor Link

Language Recursive Text SplitterCopy Anchor Link

Natural Language Text SplitterCopy Anchor Link

Natural Language to SQLCopy Anchor Link

OpenAI Tools AgentCopy Anchor Link

OpenAPI AgentCopy Anchor Link

Prompt HubCopy Anchor Link

Recursive Character Text SplitterCopy Anchor Link

Retrieval QACopy Anchor Link

Runnable ExecutorCopy Anchor Link

SQLAgentCopy Anchor Link

SQLDatabaseCopy Anchor Link

Self Query RetrieverCopy Anchor Link

Semantic Text SplitterCopy Anchor Link

Spider Web Crawler & ScraperCopy Anchor Link

Tool Calling AgentCopy Anchor Link

VectorStoreInfoCopy Anchor Link

VectorStoreRouterAgentCopy Anchor Link

XML AgentCopy Anchor Link

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