# Tools > langchain_parallel → Tools ## Classes - [`ChatParallelWeb`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb) - [`ParallelWebSearchInput`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput) - [`ParallelWebSearchTool`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchTool) - [`ParallelSearchRetriever`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever) - [`McpServer`](https://reference.langchain.com/python/langchain-parallel/tasks/McpServer) - [`ParallelTaskRunInput`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunInput) - [`ParallelTaskRunTool`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool) - [`ParallelDeepResearch`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelDeepResearch) - [`ParallelTaskGroup`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskGroup) - [`ParallelEnrichment`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelEnrichment) - [`ParallelExtractInput`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput) - [`ParallelExtractTool`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractTool) - [`ExcerptSettings`](https://reference.langchain.com/python/langchain-parallel/_types/ExcerptSettings) - [`FullContentSettings`](https://reference.langchain.com/python/langchain-parallel/_types/FullContentSettings) - [`FetchPolicy`](https://reference.langchain.com/python/langchain-parallel/_types/FetchPolicy) - [`SourcePolicy`](https://reference.langchain.com/python/langchain-parallel/_types/SourcePolicy) - [`MonitorWebhook`](https://reference.langchain.com/python/langchain-parallel/monitors/MonitorWebhook) - [`ParallelMonitor`](https://reference.langchain.com/python/langchain-parallel/monitors/ParallelMonitor) - [`FindAllWebhook`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllWebhook) - [`FindAllMatchCondition`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllMatchCondition) - [`FindAllExcludeEntry`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllExcludeEntry) - [`ParallelFindAllInput`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllInput) - [`ParallelFindAllTool`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllTool) ## Functions - [`get_api_key()`](https://reference.langchain.com/python/langchain-parallel/_client/get_api_key) - [`get_openai_client()`](https://reference.langchain.com/python/langchain-parallel/_client/get_openai_client) - [`get_async_openai_client()`](https://reference.langchain.com/python/langchain-parallel/_client/get_async_openai_client) - [`get_parallel_client()`](https://reference.langchain.com/python/langchain-parallel/_client/get_parallel_client) - [`get_async_parallel_client()`](https://reference.langchain.com/python/langchain-parallel/_client/get_async_parallel_client) - [`build_task_spec()`](https://reference.langchain.com/python/langchain-parallel/tasks/build_task_spec) - [`verify_webhook()`](https://reference.langchain.com/python/langchain-parallel/tasks/verify_webhook) - [`parse_basis()`](https://reference.langchain.com/python/langchain-parallel/tasks/parse_basis) ## Modules - [`langchain_parallel`](https://reference.langchain.com/python/langchain-parallel/langchain_parallel) - [`chat_models`](https://reference.langchain.com/python/langchain-parallel/chat_models) - [`search_tool`](https://reference.langchain.com/python/langchain-parallel/search_tool) - [`retrievers`](https://reference.langchain.com/python/langchain-parallel/retrievers) - [`tasks`](https://reference.langchain.com/python/langchain-parallel/tasks) - [`extract_tool`](https://reference.langchain.com/python/langchain-parallel/extract_tool) - [`monitors`](https://reference.langchain.com/python/langchain-parallel/monitors) - [`findall`](https://reference.langchain.com/python/langchain-parallel/findall) ## Types - [`EnrichmentInput`](https://reference.langchain.com/python/langchain-parallel/tasks/EnrichmentInput) ## Constants - [`model`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/model) - [`api_key`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/api_key) - [`base_url`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/base_url) - [`temperature`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/temperature) - [`max_tokens`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/max_tokens) - [`timeout`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/timeout) - [`max_retries`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/max_retries) - [`response_format`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/response_format) - [`tools`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/tools) - [`tool_choice`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/tool_choice) - [`stream_options`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/stream_options) - [`top_p`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/top_p) - [`frequency_penalty`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/frequency_penalty) - [`presence_penalty`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/presence_penalty) - [`logit_bias`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/logit_bias) - [`seed`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/seed) - [`user`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/user) - [`client`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/client) - [`async_client`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/async_client) - [`lc_secrets`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/lc_secrets) - [`lc_attributes`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallelWeb/lc_attributes) - [`ChatParallel`](https://reference.langchain.com/python/langchain-parallel/chat_models/ChatParallel) - [`objective`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/objective) - [`search_queries`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/search_queries) - [`max_results`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/max_results) - [`excerpts`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/excerpts) - [`max_chars_total`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/max_chars_total) - [`mode`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/mode) - [`source_policy`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/source_policy) - [`fetch_policy`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/fetch_policy) - [`location`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/location) - [`client_model`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/client_model) - [`session_id`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/session_id) - [`include_metadata`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/include_metadata) - [`timeout`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchInput/timeout) - [`name`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchTool/name) - [`description`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchTool/description) - [`args_schema`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchTool/args_schema) - [`api_key`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchTool/api_key) - [`base_url`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelWebSearchTool/base_url) - [`ParallelSearchTool`](https://reference.langchain.com/python/langchain-parallel/search_tool/ParallelSearchTool) - [`api_key`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/api_key) - [`base_url`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/base_url) - [`max_results`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/max_results) - [`mode`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/mode) - [`objective`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/objective) - [`excerpts`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/excerpts) - [`max_chars_total`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/max_chars_total) - [`source_policy`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/source_policy) - [`fetch_policy`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/fetch_policy) - [`location`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/location) - [`client_model`](https://reference.langchain.com/python/langchain-parallel/retrievers/ParallelSearchRetriever/client_model) - [`ALL_PROCESSORS`](https://reference.langchain.com/python/langchain-parallel/tasks/ALL_PROCESSORS) - [`ProcessorLiteral`](https://reference.langchain.com/python/langchain-parallel/tasks/ProcessorLiteral) - [`name`](https://reference.langchain.com/python/langchain-parallel/tasks/McpServer/name) - [`url`](https://reference.langchain.com/python/langchain-parallel/tasks/McpServer/url) - [`headers`](https://reference.langchain.com/python/langchain-parallel/tasks/McpServer/headers) - [`allowed_tools`](https://reference.langchain.com/python/langchain-parallel/tasks/McpServer/allowed_tools) - [`api_key`](https://reference.langchain.com/python/langchain-parallel/tasks/_TaskClientMixin/api_key) - [`base_url`](https://reference.langchain.com/python/langchain-parallel/tasks/_TaskClientMixin/base_url) - [`input`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunInput/input) - [`metadata`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunInput/metadata) - [`previous_interaction_id`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunInput/previous_interaction_id) - [`name`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool/name) - [`description`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool/description) - [`args_schema`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool/args_schema) - [`api_key`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool/api_key) - [`base_url`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool/base_url) - [`processor`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool/processor) - [`task_output_schema`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool/task_output_schema) - [`task_spec`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool/task_spec) - [`mcp_servers`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskRunTool/mcp_servers) - [`processor`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelDeepResearch/processor) - [`mcp_servers`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelDeepResearch/mcp_servers) - [`processor`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskGroup/processor) - [`task_spec`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskGroup/task_spec) - [`metadata`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelTaskGroup/metadata) - [`processor`](https://reference.langchain.com/python/langchain-parallel/tasks/ParallelEnrichment/processor) - [`urls`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/urls) - [`search_objective`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/search_objective) - [`search_queries`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/search_queries) - [`excerpts`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/excerpts) - [`full_content`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/full_content) - [`max_chars_total`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/max_chars_total) - [`fetch_policy`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/fetch_policy) - [`client_model`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/client_model) - [`session_id`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/session_id) - [`timeout`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractInput/timeout) - [`name`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractTool/name) - [`description`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractTool/description) - [`args_schema`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractTool/args_schema) - [`api_key`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractTool/api_key) - [`base_url`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractTool/base_url) - [`max_chars_per_extract`](https://reference.langchain.com/python/langchain-parallel/extract_tool/ParallelExtractTool/max_chars_per_extract) - [`max_chars_per_result`](https://reference.langchain.com/python/langchain-parallel/_types/ExcerptSettings/max_chars_per_result) - [`max_chars_per_result`](https://reference.langchain.com/python/langchain-parallel/_types/FullContentSettings/max_chars_per_result) - [`max_age_seconds`](https://reference.langchain.com/python/langchain-parallel/_types/FetchPolicy/max_age_seconds) - [`timeout_seconds`](https://reference.langchain.com/python/langchain-parallel/_types/FetchPolicy/timeout_seconds) - [`disable_cache_fallback`](https://reference.langchain.com/python/langchain-parallel/_types/FetchPolicy/disable_cache_fallback) - [`include_domains`](https://reference.langchain.com/python/langchain-parallel/_types/SourcePolicy/include_domains) - [`exclude_domains`](https://reference.langchain.com/python/langchain-parallel/_types/SourcePolicy/exclude_domains) - [`after_date`](https://reference.langchain.com/python/langchain-parallel/_types/SourcePolicy/after_date) - [`MonitorEventType`](https://reference.langchain.com/python/langchain-parallel/monitors/MonitorEventType) - [`url`](https://reference.langchain.com/python/langchain-parallel/monitors/MonitorWebhook/url) - [`event_types`](https://reference.langchain.com/python/langchain-parallel/monitors/MonitorWebhook/event_types) - [`api_key`](https://reference.langchain.com/python/langchain-parallel/monitors/ParallelMonitor/api_key) - [`base_url`](https://reference.langchain.com/python/langchain-parallel/monitors/ParallelMonitor/base_url) - [`timeout`](https://reference.langchain.com/python/langchain-parallel/monitors/ParallelMonitor/timeout) - [`FindAllEventType`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllEventType) - [`url`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllWebhook/url) - [`event_types`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllWebhook/event_types) - [`name`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllMatchCondition/name) - [`description`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllMatchCondition/description) - [`name`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllExcludeEntry/name) - [`url`](https://reference.langchain.com/python/langchain-parallel/findall/FindAllExcludeEntry/url) - [`objective`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllInput/objective) - [`entity_type`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllInput/entity_type) - [`match_conditions`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllInput/match_conditions) - [`match_limit`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllInput/match_limit) - [`exclude_list`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllInput/exclude_list) - [`webhook`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllInput/webhook) - [`metadata`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllInput/metadata) - [`timeout`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllInput/timeout) - [`name`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllTool/name) - [`description`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllTool/description) - [`args_schema`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllTool/args_schema) - [`api_key`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllTool/api_key) - [`base_url`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllTool/base_url) - [`generator`](https://reference.langchain.com/python/langchain-parallel/findall/ParallelFindAllTool/generator)