docs: link components to docs pages (#8850)

* docs-links

* Update url.py

---------

Co-authored-by: Edwin Jose <edwin.jose@datastax.com>

src/backend/base/langflow/components/agents/mcp_component.py

@@ -94,6 +94,7 @@ class MCPToolsComponent(ComponentWithCache):
 
     display_name = "MCP Tools"
     description = "Connect to an MCP server to use its tools."
+    documentation: str = "https://docs.langflow.org/mcp-client"
     icon = "Mcp"
     name = "MCPTools"
 

src/backend/base/langflow/components/data/api_request.py

@@ -45,6 +45,7 @@ DEFAULT_FIELDS = ["mode"]
 class APIRequestComponent(Component):
     display_name = "API Request"
     description = "Make HTTP requests using URL or cURL commands."
+    documentation: str = "https://docs.langflow.org/components-data#api-request"
     icon = "Globe"
     name = "APIRequest"
 

src/backend/base/langflow/components/data/directory.py

@@ -9,6 +9,7 @@ from langflow.template.field.base import Output
 class DirectoryComponent(Component):
     display_name = "Directory"
     description = "Recursively load files from a directory."
+    documentation: str = "https://docs.langflow.org/components-data#directory"
     icon = "folder"
     name = "Directory"
 

src/backend/base/langflow/components/data/file.py

@@ -16,6 +16,7 @@ class FileComponent(BaseFileComponent):
 
     display_name = "File"
     description = "Loads content from one or more files as a DataFrame."
+    documentation: str = "https://docs.langflow.org/components-data#file"
     icon = "file-text"
     name = "File"
 

src/backend/base/langflow/components/data/news_search.py

@@ -12,6 +12,7 @@ from langflow.schema import DataFrame
 class NewsSearchComponent(Component):
     display_name = "News Search"
     description = "Searches Google News via RSS. Returns clean article data."
+    documentation: str = "https://docs.langflow.org/components-data#news-search"
     icon = "newspaper"
     name = "NewsSearch"
 

src/backend/base/langflow/components/data/rss.py

@@ -11,6 +11,7 @@ from langflow.schema import DataFrame
 class RSSReaderComponent(Component):
     display_name = "RSS Reader"
     description = "Fetches and parses an RSS feed."
+    documentation: str = "https://docs.langflow.org/components-data#rss-reader"
     icon = "rss"
     name = "RSSReaderSimple"
 

src/backend/base/langflow/components/data/sql_executor.py

@@ -18,6 +18,7 @@ class SQLComponent(ComponentWithCache):
 
     display_name = "SQL Database"
     description = "Executes SQL queries on SQLAlchemy-compatible databases."
+    documentation: str = "https://docs.langflow.org/components-data#sql-database"
     icon = "database"
     name = "SQLComponent"
     metadata = {"keywords": ["sql", "database", "query", "db", "fetch"]}

src/backend/base/langflow/components/data/url.py

@@ -41,6 +41,7 @@ class URLComponent(Component):
 
     display_name = "URL"
     description = "Fetch content from one or more web pages, following links recursively."
+    documentation: str = "https://docs.langflow.org/components-data#url"
     icon = "layout-template"
     name = "URLComponent"
 

src/backend/base/langflow/components/data/web_search.py

@@ -14,6 +14,7 @@ from langflow.services.deps import get_settings_service
 class WebSearchComponent(Component):
     display_name = "Web Search"
     description = "Performs a basic DuckDuckGo search (HTML scraping). May be subject to rate limits."
+    documentation: str = "https://docs.langflow.org/components-data#web-search"
     icon = "search"
     name = "WebSearchNoAPI"
 

src/backend/base/langflow/components/data/webhook.py

@@ -7,6 +7,7 @@ from langflow.schema.data import Data
 
 class WebhookComponent(Component):
     display_name = "Webhook"
+    documentation: str = "https://docs.langflow.org/components-data#webhook"
     name = "Webhook"
     icon = "webhook"
 

src/backend/base/langflow/components/helpers/calculator_core.py

@@ -11,6 +11,7 @@ from langflow.schema.data import Data
 class CalculatorComponent(Component):
     display_name = "Calculator"
     description = "Perform basic arithmetic operations on a given expression."
+    documentation: str = "https://docs.langflow.org/components-helpers#calculator"
     icon = "calculator"
 
     # Cache operators dictionary as a class variable

src/backend/base/langflow/components/helpers/current_date.py

@@ -11,6 +11,7 @@ from langflow.schema.message import Message
 class CurrentDateComponent(Component):
     display_name = "Current Date"
     description = "Returns the current date and time in the selected timezone."
+    documentation: str = "https://docs.langflow.org/components-helpers#current-date"
     icon = "clock"
     name = "CurrentDate"
 

src/backend/base/langflow/components/helpers/memory.py

@@ -16,6 +16,7 @@ from langflow.utils.constants import MESSAGE_SENDER_AI, MESSAGE_SENDER_NAME_AI,
 class MemoryComponent(Component):
     display_name = "Message History"
     description = "Stores or retrieves stored chat messages from Langflow tables or an external memory."
+    documentation: str = "https://docs.langflow.org/components-helpers#message-history"
     icon = "message-square-more"
     name = "Memory"
     default_keys = ["mode", "memory"]

src/backend/base/langflow/components/input_output/chat.py

@@ -19,6 +19,7 @@ from langflow.utils.constants import (
 class ChatInput(ChatComponent):
     display_name = "Chat Input"
     description = "Get chat inputs from the Playground."
+    documentation: str = "https://docs.langflow.org/components-io#chat-input"
     icon = "MessagesSquare"
     name = "ChatInput"
     minimized = True

src/backend/base/langflow/components/input_output/chat_output.py

@@ -22,6 +22,7 @@ from langflow.utils.constants import (
 class ChatOutput(ChatComponent):
     display_name = "Chat Output"
     description = "Display a chat message in the Playground."
+    documentation: str = "https://docs.langflow.org/components-io#chat-output"
     icon = "MessagesSquare"
     name = "ChatOutput"
     minimized = True

src/backend/base/langflow/components/input_output/text.py

@@ -6,6 +6,7 @@ from langflow.schema.message import Message
 class TextInputComponent(TextComponent):
     display_name = "Text Input"
     description = "Get user text inputs."
+    documentation: str = "https://docs.langflow.org/components-io#text-input"
     icon = "type"
     name = "TextInput"
 

src/backend/base/langflow/components/input_output/text_output.py

@@ -6,6 +6,7 @@ from langflow.schema.message import Message
 class TextOutputComponent(TextComponent):
     display_name = "Text Output"
     description = "Sends text output via API."
+    documentation: str = "https://docs.langflow.org/components-io#text-output"
     icon = "type"
     name = "TextOutput"
 

src/backend/base/langflow/components/logic/conditional_router.py

@@ -8,6 +8,7 @@ from langflow.schema.message import Message
 class ConditionalRouterComponent(Component):
     display_name = "If-Else"
     description = "Routes an input message to a corresponding output based on text comparison."
+    documentation: str = "https://docs.langflow.org/components-logic#conditional-router-if-else-component"
     icon = "split"
     name = "ConditionalRouter"
 

src/backend/base/langflow/components/logic/loop.py

@@ -10,6 +10,7 @@ class LoopComponent(Component):
     description = (
         "Iterates over a list of Data objects, outputting one item at a time and aggregating results from loop inputs."
     )
+    documentation: str = "https://docs.langflow.org/components-logic#loop"
     icon = "infinity"
 
     inputs = [

src/backend/base/langflow/components/logic/run_flow.py

@@ -13,6 +13,7 @@ class RunFlowComponent(RunFlowBaseComponent):
         "Creates a tool component from a Flow that takes all its inputs and runs it. "
         " \n **Select a Flow to use the tool mode**"
     )
+    documentation: str = "https://docs.langflow.org/components-logic#run-flow"
     beta = True
     name = "RunFlow"
     icon = "Workflow"

src/backend/base/langflow/components/models/embedding_model.py

@@ -20,6 +20,7 @@ from langflow.schema.dotdict import dotdict
 class EmbeddingModelComponent(LCEmbeddingsModel):
     display_name = "Embedding Model"
     description = "Generate embeddings using a specified provider."
+    documentation: str = "https://docs.langflow.org/components-embedding-models"
     icon = "binary"
     name = "EmbeddingModel"
     category = "models"

src/backend/base/langflow/components/models/language_model.py

@@ -17,7 +17,8 @@ from langflow.schema.dotdict import dotdict
 
 class LanguageModelComponent(LCModelComponent):
     display_name = "Language Model"
-    description = "Runs a language model given a specified provider. "
+    description = "Runs a language model given a specified provider."
+    documentation: str = "https://docs.langflow.org/components-models"
     icon = "brain-circuit"
     category = "models"
     priority = 0  # Set priority to 0 to make it appear first

src/backend/base/langflow/components/processing/batch_run.py

@@ -16,6 +16,7 @@ if TYPE_CHECKING:
 class BatchRunComponent(Component):
     display_name = "Batch Run"
     description = "Runs an LLM on each row of a DataFrame column. If no column is specified, all columns are used."
+    documentation: str = "https://docs.langflow.org/components-processing#batch-run"
     icon = "List"
 
     inputs = [

src/backend/base/langflow/components/processing/converter.py

@@ -50,6 +50,7 @@ def convert_to_dataframe(v: DataFrame | Data | Message | dict) -> DataFrame:
 class TypeConverterComponent(Component):
     display_name = "Type Convert"
     description = "Convert between different types (Message, Data, DataFrame)"
+    documentation: str = "https://docs.langflow.org/components-processing#type-convert"
     icon = "repeat"
 
     inputs = [

src/backend/base/langflow/components/processing/data_operations.py

@@ -33,6 +33,7 @@ OPERATORS = {
 class DataOperationsComponent(Component):
     display_name = "Data Operations"
     description = "Perform various operations on a Data object."
+    documentation: str = "https://docs.langflow.org/components-processing#data-operations"
     icon = "file-json"
     name = "DataOperations"
     default_keys = ["operations", "data"]

src/backend/base/langflow/components/processing/dataframe_operations.py

@@ -15,6 +15,7 @@ from langflow.schema.dataframe import DataFrame
 class DataFrameOperationsComponent(Component):
     display_name = "DataFrame Operations"
     description = "Perform various operations on a DataFrame."
+    documentation: str = "https://docs.langflow.org/components-processing#dataframe-operations"
     icon = "table"
     name = "DataFrameOperations"
 

src/backend/base/langflow/components/processing/lambda_filter.py

@@ -16,6 +16,7 @@ if TYPE_CHECKING:
 class LambdaFilterComponent(Component):
     display_name = "Smart Function"
     description = "Uses an LLM to generate a function for filtering or transforming structured data."
+    documentation: str = "https://docs.langflow.org/components-processing#smart-function"
     icon = "square-function"
     name = "Smart Function"
 

src/backend/base/langflow/components/processing/llm_router.py

@@ -17,6 +17,7 @@ from langflow.template.field.base import Output
 class LLMRouterComponent(Component):
     display_name = "LLM Router"
     description = "Routes the input to the most appropriate LLM based on OpenRouter model specifications"
+    documentation: str = "https://docs.langflow.org/components-processing#llm-router"
     icon = "git-branch"
 
     # Constants for magic values

src/backend/base/langflow/components/processing/parser.py

@@ -10,6 +10,7 @@ from langflow.template.field.base import Output
 class ParserComponent(Component):
     display_name = "Parser"
     description = "Extracts text using a template."
+    documentation: str = "https://docs.langflow.org/components-processing#parser"
     icon = "braces"
 
     inputs = [

src/backend/base/langflow/components/processing/prompt.py

@@ -9,6 +9,7 @@ from langflow.template.utils import update_template_values
 class PromptComponent(Component):
     display_name: str = "Prompt Template"
     description: str = "Create a prompt template with dynamic variables."
+    documentation: str = "https://docs.langflow.org/components-prompts"
     icon = "braces"
     trace_type = "prompt"
     name = "Prompt Template"

src/backend/base/langflow/components/processing/python_repl_core.py

@@ -10,6 +10,7 @@ from langflow.schema.data import Data
 class PythonREPLComponent(Component):
     display_name = "Python Interpreter"
     description = "Run Python code with optional imports. Use print() to see the output."
+    documentation: str = "https://docs.langflow.org/components-processing#python-interpreter"
     icon = "square-terminal"
 
     inputs = [

src/backend/base/langflow/components/processing/save_file.py

@@ -20,6 +20,7 @@ from langflow.template.field.base import Output
 class SaveToFileComponent(Component):
     display_name = "Save File"
     description = "Save data to a local file in the selected format."
+    documentation: str = "https://docs.langflow.org/components-processing#save-file"
     icon = "save"
     name = "SaveToFile"
 

src/backend/base/langflow/components/processing/split_text.py

@@ -11,6 +11,7 @@ from langflow.utils.util import unescape_string
 class SplitTextComponent(Component):
     display_name: str = "Split Text"
     description: str = "Split text into chunks based on specified criteria."
+    documentation: str = "https://docs.langflow.org/components-processing#split-text"
     icon = "scissors-line-dashed"
     name = "SplitText"
 

src/backend/base/langflow/components/processing/structured_output.py

@@ -18,6 +18,7 @@ from langflow.schema.table import EditMode
 class StructuredOutputComponent(Component):
     display_name = "Structured Output"
     description = "Uses an LLM to generate structured data. Ideal for extraction and consistency."
+    documentation: str = "https://docs.langflow.org/components-processing#structured-output"
     name = "StructuredOutput"
     icon = "braces"