Tool Components

Tool components connect external search, databases, HTTP APIs, email sending, document generation, financial queries, and browser automation capabilities to Agents. When building Agents, first understand each tool's purpose and security boundaries.

Tool Selection Suggestions

Tool Category	Typical Components	Use Case
Web search	Tavily, Google, DuckDuckGo, SearXNG, Keenable	Retrieve web pages, news, public information, or content from specified sites.
Academic search	Google Scholar, ArXiv, PubMed, BGPT	Retrieve papers, medical literature, and research materials.
Data and financial queries	Execute SQL, Yahoo Finance, WenCai	Query databases, market data, or financial screening results.
Content output	Email, Document Generator	Send emails or generate downloadable documents.
Browser automation	Browser	Access web pages, read page content, or perform multi-step browser tasks.

Web Page and Information Retrieval

Tavily Search (TavilySearch)

Tavily is a web search service for LLMs. It is suitable for retrieving general web information, news, and content that needs to be limited to specific domains. Keep queries focused on a single topic and avoid overly long natural-language questions.

Parameter Description

Parameter	Type	Required	Default Value	Description
Query	string	Yes	Current user input	Search keywords.
Topic	string	No	general	Search type. Options are general or news.
Include Domains	array[string]	No	Empty list	Keep only results from these domains, such as www.nasa.gov.
Exclude Domains	array[string]	No	Empty list	Exclude results from these domains.
API Key	string	No	Empty	Tavily API key.
Search Depth	string	No	basic	Search depth. Options are basic or advanced.
Max Results	integer	No	6	Maximum number of results.
Days	integer	No	14	Time range in days for news retrieval.
Include Answer	boolean	No	false	Whether to request Tavily's answer field.
Include Raw Content	boolean	No	false	Whether to request raw page content.
Include Images	boolean	No	false	Whether to request images.
Include Image Descriptions	boolean	No	false	Whether to request image descriptions.

Supported Parameter Values

Parameter	Supported Value	Description
Topic	general	General web search.
Topic	news	News retrieval.
Search Depth	basic	Basic search.
Search Depth	advanced	Deep search.

Configuration Example

Configuration Item	Example Value
URLs	["https://www.ragflow.io/docs/dev/"]
Extract Depth	basic
Format	markdown
API Key
Include Images	false

Output Result

The output usually contains search result summaries, titles, links, snippets, and optional image information. formalized_content is commonly passed to the Agent to generate answers, while JSON is used by subsequent nodes to read structured fields.

Tavily Extract (TavilyExtract)

Tavily Extract reads the body content of one or more known URLs. A common workflow is to use Tavily Search to obtain links, then pass those links to this component to extract page content.

Parameter Description

Parameter	Type	Required	Default Value	Description
URLs	array[string]	Yes	Empty list	URL list to extract. If input is a string, it is split by English commas.
Extract Depth	string	No	basic	advanced can extract more tables and embedded content, with higher cost and latency.
Format	string	No	markdown	Extraction result format. Options are markdown or text.
API Key	string	No	Empty	Tavily API key.
Include Images	boolean	No	false	Whether to include images.

Supported Parameter Values

Parameter	Supported Value	Description
Extract Depth	basic	Basic extraction.
Extract Depth	advanced	Extracts more tables and embedded content, with higher latency and cost.
Format	markdown	Markdown format.
Format	text	Plain text format.

Configuration Example

Configuration Item	Example Value
URLs	["https://www.ragflow.io/docs/dev/"]
Extract Depth	basic
Format	markdown
API Key
Include Images	false

Output Result

The output contains the page body, title, URL, and extraction status. formalized_content is commonly used as Agent context, while JSON preserves the structured extraction result for each URL.

Google Search (Google)

Google Search obtains Google organic search results through SerpApi. It is suitable for web retrieval that requires country and language targeting.

Parameter Description

Parameter	Type	Required	Default Value	Description
Query	string	Yes	Current user input	Search keywords.
Start	integer	No	0	Result offset. In document semantics, this is the pagination starting point.
Num	integer	No	6	Number of requested results.
API Key	string	Yes	Empty	SerpApi API key.
Country	string	No	cn	Google region code, such as cn, us, or jp.
Language	string	No	en	Google interface/result language code, such as zh-CN or en.

Configuration Example

Configuration Item	Example Value
Query	RAGFlow official documentation
Start	0
Num	6
API Key
Country	cn
Language	en

Output Result

The output contains search result titles, links, and summaries. The organized text can be passed to the Agent for summarization, or subsequent nodes can read the link list from JSON.

DuckDuckGo (DuckDuckGo)

DuckDuckGo is a privacy-focused search engine component. It does not require a separate API key and can be used for general web and news retrieval.

Parameter Description

Parameter	Type	Required	Default Value	Description
Query	string	Yes	Current user input	Search keywords.
Channel	string	No	general	Message channel: general or news.
Top N	integer	Node configuration	10	Maximum number of returned results.

Configuration Example

Configuration Item	Example Value
Query	RAGFlow open source
Channel	general
Top N	10

Output Result

The output contains titles, links, and summaries returned by DuckDuckGo. It can be used for web material summarization, news lead organization, or subsequent page extraction.

SearXNG (SearXNG)

SearXNG is a self-hostable privacy-oriented meta-search engine. This component calls a user-provided SearXNG instance and is suitable for scenarios that need control over retrieval sources or internal search deployment.

Parameter Description

Parameter	Type	Required	Default Value	Description
Query	string	Yes	Current user input	Search keywords.
SearXNG URL	string	Yes	Empty	SearXNG instance base URL, such as https://searxng.example.com.
Top N	integer	No	10	Maximum number of results.

Configuration Example

Configuration Item	Example Value
Query	RAGFlow documentation
SearXNG URL	https://<your-searxng-host>
Top N	10

Output Result

The output contains titles, links, summaries, and source information returned by SearXNG. Before use, configure a reachable SearXNG service address and pass the system security checks.

Keenable (KeenableSearch)

Keenable is a web search API for AI Agents. By default, it supports a public free path without a key. After configuring a key, you can increase the limit and enable low-latency realtime mode.

Parameter Description

Field	Type	Required	Default Value	Description
query	string	Yes	{sys.query}	Search keywords.
site	string	No	Empty	Limit results to a single domain, such as techcrunch.com.
api_key	string	Node configuration	Empty	Optional Keenable API key.
mode	string	Node configuration	pro	pro for deeper retrieval or realtime for low latency. realtime requires an API key.
top_n	integer	Node configuration	10	Maximum number of results.
KEENABLE_API_URL	Environment variable	Deployment configuration	https://api.keenable.ai	Service API base URL. Production environments must use HTTPS. Local loopback addresses can use HTTP.

Configuration Example

Configuration Item	Example Value
Query	RAGFlow Agent workflow
Site	github.com
API Key
Mode	pro
Top N	10
Keenable API URL	https://api.keenable.ai

Output Result

The output contains search entries, summaries, and links returned by Keenable. It can be summarized by the Agent or passed to subsequent retrieval or extraction nodes. Do not set realtime for keyless trial runs.

Wikipedia (Wikipedia)

The Wikipedia component searches encyclopedia entries and extracts entry summaries. It is suitable for querying clear entities, concepts, and historical events. Query terms should be as close as possible to the entry title.

Parameter Description

Field	Type	Required	Default Value	Description
query	string	Yes	{sys.query}	Specific entry topic or keyword.
top_n	integer	Node configuration	10	Maximum number of search entries.
language	string	Node configuration	en	Wikipedia language code, such as zh, en, or ja.

Configuration Example

Configuration Item	Example Value
Query	culture
Top N	10
Language	en

Output Result

The output contains the titles, summaries, and page links of matching entries. It is suitable for generating concept explanations or background descriptions with the Agent.

GitHub (GitHub)

The GitHub component searches repositories through the GitHub Repository Search API and sorts by popularity by default. It is suitable for finding open-source projects, reference implementations, and technology ecosystems.

Parameter Description

Field	Type	Required	Default Value	Description
query	string	Yes	{sys.query}	GitHub repository search syntax or keywords.
top_n	integer	Node configuration	10	Maximum number of returned repositories.

Configuration Example

Configuration Item	Example Value
Query	RAGFlow
Top N	10

Output Result

The output contains repository, issue, code, or user search entries, usually including names, links, summaries, update times, and other information. The output includes repository names, links, descriptions, and stars.

Academic Literature Retrieval

Google Scholar (GoogleScholar)

Google Scholar is used to retrieve papers, dissertations, books, abstracts, and other academic materials. It is suitable for preliminary literature discovery before a research review, but should not replace verification of original texts and citation information.

Parameter Description

Field	Type	Required	Default Value	Description
query	string	Yes	{sys.query}	Paper topic or keyword.
top_n	integer	Node configuration	12	Maximum number of papers.
sort_by	string	Node configuration	relevance	Sorting method: date or relevance.
year_low	integer/null	Node configuration	null	Earliest publication year.
year_high	integer/null	Node configuration	null	Latest publication year.
patents	boolean	Node configuration	true	Whether to include patents.

Configuration Example

Configuration Item	Example Value
Query	retrieval augmented generation evaluation
Top N	12
Sort By	relevance
Year Low	null
Year High	null
Patents	true

Output Result

The output contains academic retrieval entries such as paper titles, authors, abstracts, source links, and citation information. It is suitable for literature reviews or research lead organization.

ArXiv (ArXiv)

ArXiv is used to retrieve open preprints across fields such as computer science, mathematics, physics, and quantitative finance. ArXiv papers may not have undergone peer review, so mark their preprint nature when using the results.

Parameter Description

Field	Type	Required	Default Value	Description
query	string	Yes	{sys.query}	Retrieval keywords.
top_n	integer	Node configuration	12	Maximum number of returned papers.
sort_by	string	Node configuration	submittedDate	Sorting method: submittedDate, lastUpdatedDate, or relevance.

Configuration Example

Configuration Item	Example Value
Query	large language model agents
Top N	12
Sort By	submittedDate

Output Result

The output contains paper titles, authors, abstracts, publication times, categories, and paper links. It can be used by the Agent to generate paper summaries or research comparisons.

PubMed (PubMed)

PubMed is used to retrieve life science and biomedical literature. The component queries through NCBI E-utilities and returns titles, authors, journals, DOIs, abstracts, and other information.

Parameter Description

Field	Type	Required	Default Value	Description
query	string	Yes	{sys.query}	PubMed search term. Medical subject headings or Boolean retrieval expressions are supported.
top_n	integer	Node configuration	12	Maximum number of papers.
email	string	Node configuration	A.N.Other@example.com	NCBI Entrez contact email. Replace it with a real maintainer email in production.

Configuration Example

Configuration Item	Example Value
Query	COVID-19 vaccine effectiveness
Top N	12
Email	A.N.Other@example.com

Output Result

The output contains medical literature titles, authors, journals, abstracts, publication dates, and PubMed links. It is suitable for medical literature retrieval scenarios.

BGPT (BGPT)

BGPT retrieves scientific papers and returns structured evidence, including research methods, sample sizes, results, limitations, conflicts of interest, data availability, and falsifiability tips. It is suitable for evaluating scientific claims, not only for finding paper abstracts.

Parameter Description

Field	Type	Required	Default Value	Description
query	string	Yes	{sys.query}	Natural-language scientific retrieval question.
top_n	integer	Node configuration	10	Maximum number of results.
api_key	string	Node configuration	Empty	Optional API key. If not configured, the public service path is used.
days_back	integer/null	Node configuration	null	Optional. Limits retrieval to content from the most recent number of days.

Configuration Example

Configuration Item	Example Value
Query	Does sleep deprivation impair working memory in adults?
Top N	10
API Key
Days Back	null

Output Result

The output contains biomedical knowledge retrieval results and summaries, which can be further summarized, compared, or used to generate research explanations by subsequent Agents.

Data and Financial Queries

Execute SQL (ExeSQL)

Execute SQL connects to an external database and executes SQL statements. The result is formatted as text or table content.

To protect system security, the database address must pass server-side security checks. To connect to a local or internal database, first confirm that the deployment environment allows access.

Parameter Description

Field	Type	Required	Default Value	Description
sql	string	Yes	{sys.query}	SQL to execute. Canvas variables can be included.
db_type	string	Yes	mysql	Supports mysql, postgres, mariadb, mssql, IBMDB2, trino, and oceanbase.
database	string	Yes	Empty	Database name. Trino uses catalog.schema or catalog.
username	string	Yes	Empty	Database account.
host	string	Yes	Empty	Database address, which must pass server-side security checks.
port	integer	Yes	3306	Database port.
password	string	Conditionally required	Empty	Database password. It can be empty for Trino.
max_records	integer	No	1024	Maximum number of records returned per statement.

Supported Values

Parameter	Supported Value	Description
Database Type	mysql	MySQL
Database Type	postgres	PostgreSQL
Database Type	mariadb	MariaDB
Database Type	mssql	Microsoft SQL Server
Database Type	IBMDB2	IBM DB2
Database Type	trino	Trino
Database Type	oceanbase	OceanBase

Configuration Example

Configuration Item	Example Value
SQL	SELECT * FROM XXX;
Database Type	mysql
Database	demo_sql
Username	ragflow_reader
Host	<host>
Port	3306
Password	<read-only database account password>
Max Records	10

Output Result

The output contains SQL execution results, field names, and record content. You can pass formatted text to the Agent for explanation, or let subsequent nodes read structured results.

Yahoo Finance (YahooFinance)

The Yahoo Finance component queries stock quotes, company profiles, historical market data, financial statements, and news through yfinance, and outputs the selected content as a Markdown report.

Parameter Description

Field	Type	Required	Default Value	Description
stock_code	string	Yes	{sys.query}	Stock code or company name. Use exchange-standard codes when possible.
info	boolean	Node configuration	true	Output company and quote information.
history	boolean	Node configuration	false	Output historical market data.
count	boolean	Node configuration	false	Share count switch defined by the code.
financials	boolean	Node configuration	false	The current implementation outputs calendar information.
income_stmt	boolean	Node configuration	false	Income statement switch defined by the code.
balance_sheet	boolean	Node configuration	false	Output balance sheet and quarterly balance sheet.
cash_flow_statement	boolean	Node configuration	false	Output cash flow statement and quarterly cash flow statement.
news	boolean	Node configuration	true	Output related news.

Supported Values

Parameter	Supported Value	Description

Configuration Example

Configuration Item	Example Value
Stock Code	AAPL
Info	true
History	false
Count	false
Financials	false
Income Statement	false
Balance Sheet	false
Cash Flow Statement	false
News	true

Output Result

The output contains a financial query report and structured market data, which can be used by subsequent Agents to generate market overviews or indicator explanations.

WenCai (WenCai)

WenCai is used to screen financial data such as stocks, indices, funds, Hong Kong stocks, U.S. stocks, futures, and other instruments based on natural-language conditions.

Parameter Description

Field	Type	Required	Default Value	Description
query	string	Yes	{sys.query}	Stock selection or financial condition, such as "A-shares with P/E ratio below 20".
top_n	integer	Node configuration	10	Maximum number of results. The frontend default may be 20.
query_type	string	Node configuration	stock	Supports stock, zhishu, fund, hkstock, usstock, threeboard, conbond, insurance, futures, lccp, and foreign_exchange.

Supported Query Types

Type	Description
stock	A-share stocks
zhishu	Indices
fund	Funds
hkstock	Hong Kong stocks
usstock	U.S. stocks
threeboard	NEEQ
conbond	Convertible bonds
insurance	Insurance
futures	Futures
lccp	Wealth management products
foreign_exchange	Foreign exchange

Configuration Example

Configuration Item	Example Value
Query	A-shares with P/E ratio below 20 and net profit YoY growth above 20%
Top N	10
Query Type	stock

Output Result

The output contains a financial data list that matches the natural-language screening condition. It can be used for displaying stock selection results, subsequent filtering, or Agent explanation.

NOTE

Before using the WenCai component, confirm that the WenCai query service is available in the current environment. If the service is not enabled, the component will not return real financial data.

Communication and External Systems

Email

The Email component sends HTML emails through SMTP and supports multiple CC addresses. The current version supports recipients, CC recipients, subject, and email body. It does not support adding attachments or BCC recipients through this component.

Parameter Description

Field	Type	Required	Default Value	Description
to_email	string	Yes	{sys.query}	Recipient email address.
cc_email	string	No	Empty	CC email addresses. Separate multiple addresses with English commas.
content	string	No	Empty	Email body, sent as HTML content.
subject	string	No	Empty	Email subject.
smtp_server	string	Node configuration	Empty	SMTP server address.
smtp_port	integer	Node configuration	465	SMTP port. Port 465 uses SSL, and other ports use STARTTLS.
email	string	Node configuration	Empty	Sender email address.
smtp_username	string	Node configuration	Empty	SMTP login account. If empty, the sender email address is used.
password	string	Node configuration	Empty	SMTP authorization code or password.
sender_name	string	Node configuration	Empty	Sender display name.

NOTE

Although some SMTP fields are displayed as optional in the UI, a valid SMTP service address, sender account, and authentication information must be provided before sending email.

Configuration Example

Configuration Item	Example Value
To Email	receiver@example.com
CC Email
Content	<p>This is a test email sent by RAGFlow.</p>
Subject	RAGFlow email tool test
SMTP Server
SMTP Port	465
Email
SMTP Username
Password
Sender Name

Output Result

The output contains sending status and error information. success being true means the email was sent successfully. If sending fails, check the SMTP address, account, password, and recipient.

HTTP Request (Invoke)

The HTTP Request component calls external HTTP APIs, allowing business systems, third-party services, or self-built APIs to be connected to Agent workflows.

Parameter Description

Field	Type	Required	Default Value	Description
url	string	Yes	Empty	API address. Canvas variables can be used. The Python implementation can add http:// to addresses with missing protocols, while the Go implementation requires http:// or https:// explicitly.
method	string	Yes	get	Python supports get, post, and put; the Go implementation also supports DELETE.
headers	string/object	No	Empty	Request headers in JSON object format. Variables can be used in values.
variables	array[object]	No	[]	Request parameter list. Each item usually contains key, value, and ref.
timeout	integer	No	60	Request timeout in seconds. The Go default is 30 seconds.
proxy	string	No	Empty	Optional HTTP/HTTPS proxy address.
clean_html	boolean	No	false	Whether to clean HTML tags from the response.
datatype	string	No	json	Python request body type: json or formdata.
body	string	No	Empty	Raw request body supported by the Go runtime.
content_type	string	No	Empty	Go runtime Content-Type; POST/PUT default to application/json.

Supported Values

Parameter	Supported Value	Description
Method	GET	GET request.
Method	POST	POST request.
Method	PUT	PUT request.
Proxy	HTTP	HTTP proxy.
Proxy	HTTPS	HTTPS proxy address.

Configuration Example

Configuration Item	Example Value
URL	https://1.1.1.1/cdn-cgi/trace
Method	GET
Headers	{}
Variables	[]
Timeout	30
Proxy
Clean HTML	false
Data Type	json
Body
Content Type

Output Result

The output contains response status code, response headers, and response body. Text responses can be passed to the Agent for summarization, while JSON responses can be read by subsequent nodes.

Content Generation and Automation

Document Generator (DocGenerator)

The Document Generator component outputs Markdown content as PDF, DOCX, TXT, Markdown, or HTML files, and stores the generated files in Agent attachment storage.

Parameter Description

Field	Type	Required	Default Value	Description
content	string	Yes	Empty	Markdown content to generate. Upstream outputs can be referenced.
output_format	string	Yes	pdf	Output format: pdf, docx, txt, markdown, or html.
filename	string	No	Empty	File name. If empty, it is generated automatically, and illegal file name characters are cleaned.
header_text	string	No	Empty	Header text. Applies to PDF/DOCX.
footer_text	string	No	Empty	Footer text. Applies to PDF/DOCX.
watermark_text	string	No	Empty	Watermark text. Supported by PDF/DOCX/HTML according to the implementation.
add_page_numbers	boolean	No	true	Whether to add page numbers. Mainly used for PDF/DOCX.
add_timestamp	boolean	No	true	Whether to add generation time.
include_download_info_in_content	boolean	No	false	Whether to keep the download information marker in the content.
font_size	number	No	12	Font size, which must be greater than or equal to 12.

Supported Values

Parameter	Supported Value	Description
Output Format	pdf	PDF document.
Output Format	docx	Word document.
Output Format	html	HTML document.
Output Format	txt	Text file.
Output Format	markdown	Markdown file.
Font Size	>=12	Font size must be greater than or equal to 12.

Configuration Example

Configuration Item	Example Value
Content	`# RAGFlow Agent
Test This document is generated by the DocGenerator component.`
Output Format	pdf
Filename	ragflow-agent-test.pdf
Header Text	RAGFlow
Footer Text	Internal Test
Watermark Text	DRAFT
Add Page Numbers	true
Add Timestamp	true
Include Download Info In Content	false
Font Size	12

Output Result

The output contains generated file attachment information, download links, and file names. Users can preview, download, or pass the file to subsequent nodes for further processing.

Browser (Browser)

Browser is an LLM-driven browser automation component. It can access web pages, perform multi-step operations, read page content, upload source files, and collect downloaded files based on natural-language tasks. It depends on the configured model and the browser automation dependencies in the runtime environment.

Parameter Description

Field	Type	Required	Default Value	Description
llm_id	string	Yes	Empty	Configured chat model ID used by Browser. The Go path can accept model_id as an alias.
prompts	string	Yes	{sys.query}	Natural-language browser task. Canvas variables are supported. The Go path can accept prompt as an alias.
max_steps	integer	No	30	Maximum number of browser execution steps. Effective in the Python path. The current Go Stagehand path accepts this field but does not use it during execution.
headless	boolean	No	true	Whether to run the browser in headless mode.
enable_default_extensions	boolean	No	false	Whether to enable default browser-use extensions.
chromium_sandbox	boolean	No	false	Whether to enable the Chromium sandbox. In Docker root environments, keep this disabled in general.
persist_session	boolean	No	true	Whether to reuse the browser user directory for the same node. Effective in the Python path.
upload_sources	array/string	No	[]	File IDs, URLs, or upstream variable references for the browser task.
url	string	No	Empty	Compatibility field accepted by the current Go component. It does not participate in Stagehand execution.
timeout	integer	No	0	Compatibility field accepted by the current Go component. It does not participate in Stagehand execution.

Supported Values

Parameter	Supported Value	Description
Upload Sources	File ID	File ID uploaded to RAGFlow.
Upload Sources	URL	Accessible file or web page URL.
Upload Sources	Upstream variable reference	File or resource reference from a previous node.

Configuration Example

Configuration Item	Example Value
LLM ID	<configured chat model ID>
Prompt	Open https://www.ragflow.io, identify the main navigation items, and return them as a concise bullet list.
Max Steps	10
Headless	true
Enable Default Extensions	false
Chromium Sandbox	false
Persist Session	true
Upload Sources	[]
URL
Timeout	0

Output Result

The output contains the browser task execution summary, extracted page content, and any generated download file information. Avoid assigning Browser tasks that involve login, payment, or irreversible submissions.