# Docs by LangChain > Documentation for LangSmith, Fleet, and our open source packages. Each section index below lists the markdown version of every page in that section. ## Section indexes - [/langsmith](https://docs.langchain.com/langsmith/llms.txt): 448 pages - [/langsmith/javascript](https://docs.langchain.com/langsmith/javascript/llms.txt): 21 pages - [/langsmith/python](https://docs.langchain.com/langsmith/python/llms.txt): 21 pages - [/langsmith/smith-api](https://docs.langchain.com/langsmith/smith-api/llms.txt): 356 pages - [/langsmith/smith-api/access_policies](https://docs.langchain.com/langsmith/smith-api/access_policies/llms.txt): 8 pages - [/langsmith/smith-api/ace](https://docs.langchain.com/langsmith/smith-api/ace/llms.txt): 1 pages - [/langsmith/smith-api/alert_rules](https://docs.langchain.com/langsmith/smith-api/alert_rules/llms.txt): 5 pages - [/langsmith/smith-api/api-key](https://docs.langchain.com/langsmith/smith-api/api-key/llms.txt): 6 pages - [/langsmith/smith-api/audit-logs](https://docs.langchain.com/langsmith/smith-api/audit-logs/llms.txt): 1 pages - [/langsmith/smith-api/auth](https://docs.langchain.com/langsmith/smith-api/auth/llms.txt): 7 pages - [/langsmith/smith-api/aws_marketplace](https://docs.langchain.com/langsmith/smith-api/aws_marketplace/llms.txt): 1 pages - [/langsmith/smith-api/backfills](https://docs.langchain.com/langsmith/smith-api/backfills/llms.txt): 1 pages - [/langsmith/smith-api/comments](https://docs.langchain.com/langsmith/smith-api/comments/llms.txt): 6 pages - [/langsmith/smith-api/commits](https://docs.langchain.com/langsmith/smith-api/commits/llms.txt): 3 pages - [/langsmith/smith-api/data_planes](https://docs.langchain.com/langsmith/smith-api/data_planes/llms.txt): 3 pages - [/langsmith/smith-api/directories](https://docs.langchain.com/langsmith/smith-api/directories/llms.txt): 3 pages - [/langsmith/smith-api/evaluators](https://docs.langchain.com/langsmith/smith-api/evaluators/llms.txt): 7 pages - [/langsmith/smith-api/experiment-view-overrides](https://docs.langchain.com/langsmith/smith-api/experiment-view-overrides/llms.txt): 5 pages - [/langsmith/smith-api/experiments](https://docs.langchain.com/langsmith/smith-api/experiments/llms.txt): 1 pages - [/langsmith/smith-api/features](https://docs.langchain.com/langsmith/smith-api/features/llms.txt): 5 pages - [/langsmith/smith-api/feedback-configs](https://docs.langchain.com/langsmith/smith-api/feedback-configs/llms.txt): 4 pages - [/langsmith/smith-api/gateway-policies](https://docs.langchain.com/langsmith/smith-api/gateway-policies/llms.txt): 6 pages - [/langsmith/smith-api/hub_environments](https://docs.langchain.com/langsmith/smith-api/hub_environments/llms.txt): 4 pages - [/langsmith/smith-api/info](https://docs.langchain.com/langsmith/smith-api/info/llms.txt): 2 pages - [/langsmith/smith-api/integrations](https://docs.langchain.com/langsmith/smith-api/integrations/llms.txt): 2 pages - [/langsmith/smith-api/issues](https://docs.langchain.com/langsmith/smith-api/issues/llms.txt): 6 pages - [/langsmith/smith-api/likes](https://docs.langchain.com/langsmith/smith-api/likes/llms.txt): 1 pages - [/langsmith/smith-api/mcp](https://docs.langchain.com/langsmith/smith-api/mcp/llms.txt): 4 pages - [/langsmith/smith-api/mcp_vendors](https://docs.langchain.com/langsmith/smith-api/mcp_vendors/llms.txt): 9 pages - [/langsmith/smith-api/me](https://docs.langchain.com/langsmith/smith-api/me/llms.txt): 5 pages - [/langsmith/smith-api/model-price-map](https://docs.langchain.com/langsmith/smith-api/model-price-map/llms.txt): 4 pages - [/langsmith/smith-api/optimization-jobs](https://docs.langchain.com/langsmith/smith-api/optimization-jobs/llms.txt): 9 pages - [/langsmith/smith-api/organizations](https://docs.langchain.com/langsmith/smith-api/organizations/llms.txt): 1 pages - [/langsmith/smith-api/ownerships](https://docs.langchain.com/langsmith/smith-api/ownerships/llms.txt): 3 pages - [/langsmith/smith-api/playground-settings](https://docs.langchain.com/langsmith/smith-api/playground-settings/llms.txt): 5 pages - [/langsmith/smith-api/prompt-webhooks](https://docs.langchain.com/langsmith/smith-api/prompt-webhooks/llms.txt): 6 pages - [/langsmith/smith-api/prompts](https://docs.langchain.com/langsmith/smith-api/prompts/llms.txt): 2 pages - [/langsmith/smith-api/repos](https://docs.langchain.com/langsmith/smith-api/repos/llms.txt): 9 pages - [/langsmith/smith-api/scim-tokens](https://docs.langchain.com/langsmith/smith-api/scim-tokens/llms.txt): 5 pages - [/langsmith/smith-api/service-accounts](https://docs.langchain.com/langsmith/smith-api/service-accounts/llms.txt): 3 pages - [/langsmith/smith-api/sessions](https://docs.langchain.com/langsmith/smith-api/sessions/llms.txt): 1 pages - [/langsmith/smith-api/settings](https://docs.langchain.com/langsmith/smith-api/settings/llms.txt): 2 pages - [/langsmith/smith-api/tag-transitions](https://docs.langchain.com/langsmith/smith-api/tag-transitions/llms.txt): 1 pages - [/langsmith/smith-api/tags](https://docs.langchain.com/langsmith/smith-api/tags/llms.txt): 5 pages - [/langsmith/smith-api/tenant](https://docs.langchain.com/langsmith/smith-api/tenant/llms.txt): 2 pages - [/langsmith/smith-api/tools](https://docs.langchain.com/langsmith/smith-api/tools/llms.txt): 8 pages - [/langsmith/smith-api/ttl-settings](https://docs.langchain.com/langsmith/smith-api/ttl-settings/llms.txt): 4 pages - [/langsmith/smith-api/usage-limits](https://docs.langchain.com/langsmith/smith-api/usage-limits/llms.txt): 4 pages - [/oss/javascript](https://docs.langchain.com/oss/javascript/llms.txt): 357 pages - [/oss/python](https://docs.langchain.com/oss/python/llms.txt): 369 pages - [/oss/python/concepts](https://docs.langchain.com/oss/python/concepts/llms.txt): 4 pages - [/oss/python/deepagents](https://docs.langchain.com/oss/python/deepagents/llms.txt): 40 pages - [/oss/python/langchain](https://docs.langchain.com/oss/python/langchain/llms.txt): 76 pages - [/oss/python/langgraph](https://docs.langchain.com/oss/python/langgraph/llms.txt): 43 pages - [/oss/python/migrate](https://docs.langchain.com/oss/python/migrate/llms.txt): 3 pages - [/oss/python/releases](https://docs.langchain.com/oss/python/releases/llms.txt): 3 pages ## Docs - [Build](https://docs.langchain.com/build-overview.md): Build agents with LangChain, LangGraph, and Deep Agents. - [Home](https://docs.langchain.com/index.md) - [Use docs programmatically](https://docs.langchain.com/use-these-docs.md): Connect LangChain documentation to your AI tools and workflows ## Open source - [Approval modes](https://docs.langchain.com/oss/deepagents/code/approval-modes.md): Choose how Deep Agents Code reviews gated tool calls with Manual, Auto, and YOLO modes - [Changelog](https://docs.langchain.com/oss/deepagents/code/changelog.md) - [Command reference](https://docs.langchain.com/oss/deepagents/code/cli-reference.md): Deep Agents Code command-line flags and management subcommands - [Config file](https://docs.langchain.com/oss/deepagents/code/config-file.md): Configure model providers, defaults, retries, and gateways in config.toml - [Configuration](https://docs.langchain.com/oss/deepagents/code/configuration.md): Configure Deep Agents Code with config.toml, environment variables, hooks, and CLI flags - [Provider credentials](https://docs.langchain.com/oss/deepagents/code/credentials.md): Add and manage API keys for model providers, Tavily web search, and LangSmith tracing - [Goals and rubrics](https://docs.langchain.com/oss/deepagents/code/goals-and-rubrics.md): Define objectives and acceptance criteria for Deep Agents Code sessions - [Hooks](https://docs.langchain.com/oss/deepagents/code/hooks.md): Observe and control Deep Agents Code lifecycle events with command hooks configured in hooks.json - [MCP tools](https://docs.langchain.com/oss/deepagents/code/mcp-tools.md): Load additional tools from MCP (Model Context Protocol) servers - [Memory and Skills](https://docs.langchain.com/oss/deepagents/code/memory-and-skills.md): Persistent memory, AGENTS.md files, and reusable skills for Deep Agents Code, including creation, discovery, and invocation. - [Deep Agents Code](https://docs.langchain.com/oss/deepagents/code/overview.md): Terminal coding agent built on the Deep Agents SDK - [Plugins and marketplaces](https://docs.langchain.com/oss/deepagents/code/plugins.md): Install plugins from marketplaces or package skills, MCP servers, and hooks for Deep Agents Code - [Model providers](https://docs.langchain.com/oss/deepagents/code/providers.md): Configure any LangChain-compatible model provider for Deep Agents Code - [Quickstart](https://docs.langchain.com/oss/deepagents/code/quickstart.md): Install Deep Agents Code, run your first task, and use interactive or non-interactive modes - [Use remote sandboxes](https://docs.langchain.com/oss/deepagents/code/remote-sandboxes.md): Run Deep Agents Code tool execution in LangSmith, AgentCore, Daytona, Modal, Runloop, Vercel, or E2B sandboxes. Install provider dependencies, set credentials, and use flags and setup scripts. - [Use subagents in Deep Agents Code](https://docs.langchain.com/oss/deepagents/code/subagents.md): Define custom Deep Agents Code subagents as AGENTS.md files with YAML frontmatter. Covers project and user paths, optional model overrides, and examples. - [Automate updates](https://docs.langchain.com/oss/openwiki/automate-updates.md): Schedule OpenWiki documentation updates with GitHub Actions, GitLab CI, or Bitbucket Pipelines - [Changelog](https://docs.langchain.com/oss/openwiki/changelog.md) - [Command reference](https://docs.langchain.com/oss/openwiki/cli-reference.md): OpenWiki command-line usage, flags, and connector subcommands - [Code mode](https://docs.langchain.com/oss/openwiki/code-mode.md): Generate and maintain repository documentation for coding agents with OpenWiki - [Customize OpenWiki](https://docs.langchain.com/oss/openwiki/customize.md): Ignore paths, wiki instructions, agent pointers, and telemetry for OpenWiki - [OpenWiki](https://docs.langchain.com/oss/openwiki/overview.md): CLI that writes and maintains agent wikis so coding agents work faster - [Personal mode](https://docs.langchain.com/oss/openwiki/personal-mode.md): Build a local personal brain wiki from configured sources with OpenWiki. - [Model providers](https://docs.langchain.com/oss/openwiki/providers.md): Configure inference providers and credentials for OpenWiki - [Quickstart](https://docs.langchain.com/oss/openwiki/quickstart.md): Install OpenWiki, configure a model provider, and generate your first wiki. - [Visualize your wiki](https://docs.langchain.com/oss/openwiki/visualize.md): Explore an OpenWiki Markdown wiki with a local interactive node graph and reader ## LangSmith Fleet - [Access & oversight](https://docs.langchain.com/langsmith/fleet/access-and-oversight.md): Control who can access agents, how they authenticate, and audit everything they do. - [Agent identity](https://docs.langchain.com/langsmith/fleet/agent-identity.md): Choose whether your Fleet agent authenticates with its own credentials or with each user's credentials. - [Arcade integration](https://docs.langchain.com/langsmith/fleet/arcade.md): Connect your workspace to Arcade to give agents access to third-party tools like GitHub, Gmail, Slack, and more. - [Auth-aware tool responses](https://docs.langchain.com/langsmith/fleet/auth-format.md): Format tool responses to trigger OAuth flows and resume execution automatically. - [LangSmith Fleet changelog](https://docs.langchain.com/langsmith/fleet/changelog.md): Weekly updates to LangSmith Fleet - [Channels](https://docs.langchain.com/langsmith/fleet/channels.md): Configure channels to trigger your Fleet agents automatically. - [Use Fleet agents in code](https://docs.langchain.com/langsmith/fleet/code.md): Invoke Fleet agents via the LangGraph SDK or REST API, or download and run them locally with the fleet-deepagents-export package. - [Agent platform comparison](https://docs.langchain.com/langsmith/fleet/comparison.md): Compare LangSmith Fleet with Claude Cowork, Amazon Quick, Google Workspace Studio, and Microsoft Copilot to choose the right enterprise agent platform for your team - [Computer use](https://docs.langchain.com/langsmith/fleet/computer-use.md): Run code, manage files, and call authenticated APIs from a persistent virtual computer attached to your Fleet agent. - [Essentials](https://docs.langchain.com/langsmith/fleet/essentials.md): Fleet's core features - [No-code agents with LangSmith Fleet](https://docs.langchain.com/langsmith/fleet/index.md): Create helpful AI agents without code. Start from a template, connect your accounts, and let the agent handle routine work while you stay in control. - [Manage agent settings](https://docs.langchain.com/langsmith/fleet/manage-agent-settings.md): Manage your agents in Fleet. - [LangSmith Tool Server](https://docs.langchain.com/langsmith/fleet/mcp-framework.md) - [Quickstart](https://docs.langchain.com/langsmith/fleet/quickstart.md): Build an agent from a template - [Remote MCP servers](https://docs.langchain.com/langsmith/fleet/remote-mcp-servers.md): Connect Fleet to popular remote MCP servers - [Salesforce integration](https://docs.langchain.com/langsmith/fleet/salesforce.md): Connect LangSmith Fleet to Salesforce so your agents can query records, navigate schemas, and read custom fields. - [Schedules](https://docs.langchain.com/langsmith/fleet/schedules.md): Configure schedules to run your Fleet agents on a recurring basis. - [Self-hosted](https://docs.langchain.com/langsmith/fleet/self-hosted-link.md) - [Skills](https://docs.langchain.com/langsmith/fleet/skills.md): Use skills to give your agents access to specific capabilities. - [Integrate Slack with an agent](https://docs.langchain.com/langsmith/fleet/slack-app.md): Connect LangSmith Fleet to your Slack workspace so your agents work as Slack bots your team can tag directly. - [Integrate Teams with an agent](https://docs.langchain.com/langsmith/fleet/teams-app.md): Connect LangSmith Fleet to Microsoft Teams by bringing your own Azure Bot to let agents communicate with users in Teams. - [Templates](https://docs.langchain.com/langsmith/fleet/templates.md): Start faster with curated Fleet templates and customize tools, prompts, and channels. - [Tool integrations](https://docs.langchain.com/langsmith/fleet/tools.md): Give your agents access to a wide range of tools and services. - [Fleet webhooks](https://docs.langchain.com/langsmith/fleet/webhooks.md): Integrate agent publishing with external systems, CI/CD pipelines, or custom deployment workflows. - [Manage workspace administration](https://docs.langchain.com/langsmith/fleet/workspace-admin.md): Configure workspace-level settings for Fleet. ## Agent Server API - [Create Assistant](https://docs.langchain.com/langsmith/agent-server-api/assistants/create-assistant.md) - [Search Assistants](https://docs.langchain.com/langsmith/agent-server-api/assistants/search-assistants.md) - [Count Assistants](https://docs.langchain.com/langsmith/agent-server-api/assistants/count-assistants.md) - [Get Assistant](https://docs.langchain.com/langsmith/agent-server-api/assistants/get-assistant.md) - [Delete Assistant](https://docs.langchain.com/langsmith/agent-server-api/assistants/delete-assistant.md) - [Patch Assistant](https://docs.langchain.com/langsmith/agent-server-api/assistants/patch-assistant.md) - [Get Assistant Graph](https://docs.langchain.com/langsmith/agent-server-api/assistants/get-assistant-graph.md) - [Get Assistant Subgraphs](https://docs.langchain.com/langsmith/agent-server-api/assistants/get-assistant-subgraphs.md) - [Get Assistant Subgraphs by Namespace](https://docs.langchain.com/langsmith/agent-server-api/assistants/get-assistant-subgraphs-by-namespace.md) - [Get Assistant Schemas](https://docs.langchain.com/langsmith/agent-server-api/assistants/get-assistant-schemas.md) - [Get Assistant Versions](https://docs.langchain.com/langsmith/agent-server-api/assistants/get-assistant-versions.md) - [Set Latest Assistant Version](https://docs.langchain.com/langsmith/agent-server-api/assistants/set-latest-assistant-version.md) - [Create Thread](https://docs.langchain.com/langsmith/agent-server-api/threads/create-thread.md) - [Search Threads](https://docs.langchain.com/langsmith/agent-server-api/threads/search-threads.md) - [Count Threads](https://docs.langchain.com/langsmith/agent-server-api/threads/count-threads.md) - [Prune Threads](https://docs.langchain.com/langsmith/agent-server-api/threads/prune-threads.md) - [Get Thread State](https://docs.langchain.com/langsmith/agent-server-api/threads/get-thread-state.md) - [Update Thread State](https://docs.langchain.com/langsmith/agent-server-api/threads/update-thread-state.md) - [Get Thread State At Checkpoint](https://docs.langchain.com/langsmith/agent-server-api/threads/get-thread-state-at-checkpoint.md) - [Get Thread State At Checkpoint](https://docs.langchain.com/langsmith/agent-server-api/threads/get-thread-state-at-checkpoint-1.md) - [Get Thread History](https://docs.langchain.com/langsmith/agent-server-api/threads/get-thread-history.md) - [Get Thread History Post](https://docs.langchain.com/langsmith/agent-server-api/threads/get-thread-history-post.md) - [Copy Thread](https://docs.langchain.com/langsmith/agent-server-api/threads/copy-thread.md) - [Get Thread](https://docs.langchain.com/langsmith/agent-server-api/threads/get-thread.md) - [Delete Thread](https://docs.langchain.com/langsmith/agent-server-api/threads/delete-thread.md) - [Patch Thread](https://docs.langchain.com/langsmith/agent-server-api/threads/patch-thread.md) - [Join Thread Stream](https://docs.langchain.com/langsmith/agent-server-api/threads/join-thread-stream.md) - [Protocol v2 Event Stream (SSE)](https://docs.langchain.com/langsmith/agent-server-api/streaming/protocol-v2-event-stream-sse.md) - [List Runs](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/list-runs.md) - [Create Background Run](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/create-background-run.md) - [Create Thread Cron](https://docs.langchain.com/langsmith/agent-server-api/crons/create-thread-cron.md) - [Create Run, Stream Output](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/create-run-stream-output.md) - [Create Run, Wait for Output](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/create-run-wait-for-output.md) - [Get Run](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/get-run.md) - [Delete Run](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/delete-run.md) - [Join Run](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/join-run.md) - [Join Run Stream](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/join-run-stream.md) - [Cancel Run](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/cancel-run.md) - [Create Cron](https://docs.langchain.com/langsmith/agent-server-api/crons/create-cron.md) - [Search Crons](https://docs.langchain.com/langsmith/agent-server-api/crons/search-crons.md) - [Count Crons](https://docs.langchain.com/langsmith/agent-server-api/crons/count-crons.md) - [Create Run, Stream Output](https://docs.langchain.com/langsmith/agent-server-api/stateless-runs/create-run-stream-output.md) - [Cancel Runs](https://docs.langchain.com/langsmith/agent-server-api/thread-runs/cancel-runs.md) - [Create Run, Wait for Output](https://docs.langchain.com/langsmith/agent-server-api/stateless-runs/create-run-wait-for-output.md) - [Create Background Run](https://docs.langchain.com/langsmith/agent-server-api/stateless-runs/create-background-run.md) - [Create Run Batch](https://docs.langchain.com/langsmith/agent-server-api/stateless-runs/create-run-batch.md) - [Get Cron](https://docs.langchain.com/langsmith/agent-server-api/crons/get-cron.md) - [Update Cron](https://docs.langchain.com/langsmith/agent-server-api/crons/update-cron.md) - [Delete Cron](https://docs.langchain.com/langsmith/agent-server-api/crons/delete-cron.md) - [Store or update an item.](https://docs.langchain.com/langsmith/agent-server-api/store/store-or-update-an-item.md) - [Delete an item.](https://docs.langchain.com/langsmith/agent-server-api/store/delete-an-item.md) - [Retrieve a single item.](https://docs.langchain.com/langsmith/agent-server-api/store/retrieve-a-single-item.md) - [Search or list items within a namespace prefix.](https://docs.langchain.com/langsmith/agent-server-api/store/search-or-list-items-within-a-namespace-prefix.md) - [List namespaces with optional match conditions.](https://docs.langchain.com/langsmith/agent-server-api/store/list-namespaces-with-optional-match-conditions.md) - [A2A JSON-RPC](https://docs.langchain.com/langsmith/agent-server-api/a2a/a2a-json-rpc.md) - [MCP Post](https://docs.langchain.com/langsmith/agent-server-api/mcp/mcp-post.md) - [MCP Get](https://docs.langchain.com/langsmith/agent-server-api/mcp/mcp-get.md) - [Terminate Session](https://docs.langchain.com/langsmith/agent-server-api/mcp/terminate-session.md) - [Server Information](https://docs.langchain.com/langsmith/agent-server-api/system/server-information.md) - [System Metrics](https://docs.langchain.com/langsmith/agent-server-api/system/system-metrics.md) - [API Documentation](https://docs.langchain.com/langsmith/agent-server-api/system/api-documentation.md) - [Health Check](https://docs.langchain.com/langsmith/agent-server-api/system/health-check.md) - [Protocol v2 Command](https://docs.langchain.com/langsmith/agent-server-api/streaming/protocol-v2-command.md)