关于这个项目
用模块化管道构建检索增强、搜索和生产应用。
适合在隔离环境中先完成小规模 PoC：准备代表性数据，核对原仓库的运行依赖和许可，记录任务成功率、响应时间、成本与失败样例。部署方式和兼容版本请以原项目文档为准。
接入思路
01业务接口与访问控制02模型 / 检索 / 工具编排03数据与运行可观测性
以上为 FDE前线 建议的应用接入层次，项目内部架构请查阅原作者文档。
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原项目部署文档展开同步的 README 纯文本
<div align="center"> <a href="https://haystack.deepset.ai/"><img src="https://raw.githubusercontent.com/deepset-ai/haystack/main/images/banner.png" alt="Blue banner with the Haystack logo and the text ‘haystack by deepset – The Open Source AI Framework for Production Ready RAG & Agents’ surrounded by abstract icons representing search, documents, agents, pipelines, and cloud systems."></a> | | | | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | CI/CD | [](https://github.com/deepset-ai/haystack/actions/workflows/tests.yml) [](https://github.com/python/mypy) [](https://htmlpreview.github.io/?https://github.com/deepset-ai/haystack/blob/python-coverage-comment-action-data/htmlcov/index.html) [](https://github.com/astral-sh/ruff) | | Docs | [](https://docs.haystack.deepset.ai) | | Package | [](https://pypi.org/project/haystack-ai/)   [](https://anaconda.org/conda-forge/haystack-ai) [](LICENSE) [](https://github.com/deepset-ai/haystack/actions/workflows/license_compliance.yml) [](https://hvtracker.net/agents/haystack/) [](https://hvtracker.net/agents/haystack/) [](https://www.bestpractices.dev/projects/13067)| | Meta | [](https://discord.com/invite/qZxjM4bAHU) [](https://twitter.com/haystack_ai) | </div> [Haystack](https://haystack.deepset.ai/) is an open-source AI orchestration framework for building production-ready LLM applications in Python. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Build scalable RAG systems, multimodal applications, semantic search, question answering, and autonomous agents, all in a transparent architecture that lets you experiment, customize deeply, and deploy with confidence. ## Table of Contents - [Installation](#installation) - [Documentation](#documentation) - [Features](#features) - [Haystack Enterprise: Support & Platform](#haystack-enterprise-support--platform) - [Telemetry](#telemetry) - [🖖 Community](#-community) - [Contributing to Haystack](#contributing-to-haystack) - [Organizations using Haystack](#organizations-using-haystack) ## Installation The simplest way to get Haystack is via pip: ```sh pip install haystack-ai ``` Install nightly pre-releases to try the newest features: ```sh pip install --pre haystack-ai ``` Haystack supports multiple installation methods, including Docker images. For a comprehensive guide, please refer to the [documentation](https://docs.haystack.deepset.ai/docs/installation). ## Documentation If you're new to the project, check out ["What is Haystack?"](https://haystack.deepset.ai/overview/intro) then go through the ["Get Started Guide"](https://haystack.deepset.ai/overview/quick-start) and build your first LLM application in a matter of minutes. Keep learning with the [tutorials](https://haystack.deepset.ai/tutorials). For more advanced use cases, or just to get some inspiration, you can browse our Haystack recipes in the [Cookbook](https://haystack.deepset.ai/cookbook). At any given point, hit the [documentation](https://docs.haystack.deepset.ai/docs/intro) to learn more about Haystack, what it can do for you, and the technology behind. ## Features **Agents built for production** Extend agent behavior with lifecycle hooks (`before_llm`, `before_tool`, `on_exit`, …) for guardrails and custom logic, and track `step_count`, `token_usage`, and tool calls out of the box for monitoring and cost control. Get started fast with ready-made agents from [Agent Pack](https://github.com/deepset-ai/haystack-core-integrations/tree/main/integrations/agent_pack) (e.g., a deep research agent, or an advanced RAG agent) or give your own agents progressive skill discovery via `SkillToolset`, so skill descriptions only enter context when needed. **Built for context engineering** Design flexible systems with explicit control over how information is retrieved, ranked, filtered, combined, structured, and routed before it reaches the model. Define pipelines and agent workflows where retrieval, memory, tools, and generation are transparent and traceable. **Native Async Support** One `Pipeline` runs synchronously or asynchronously and streams token by token. `Agent` can run concurrent tool calls. **Modular and customizable** Use built-in components for retrieval, indexing, tool calling, memory, and evaluation, or create your own. Add loops, branches, and conditional logic to precisely control how context moves through your pipelines and agent workflows. **Model- and vendor-agnostic** Integrate with OpenAI, Mistral, Anthropic, Cohere, Hugging Face, Google, Azure OpenAI, AWS Bedrock, local models, and many others. Swap models or infrastructure components without rewriting your system. **Extensible ecosystem** Build and share custom components through a consistent interface that makes it easy for the community and third parties to extend Haystack and contribute to an open ecosystem. > [!TIP] > > Would you like to deploy and serve Haystack pipelines as **REST APIs** or **MCP servers**? [Hayhooks](https://github.com/deepset-ai/hayhooks) provides a simple way for you to wrap pipelines and agents with custom logic and expose them through HTTP endpoints or MCP. It also supports OpenAI-compatible chat completion endpoints and works with chat UIs like [open-webui](https://openwebui.com/). ## Haystack Enterprise: Support & Platform Get expert support from the Haystack team, build faster with enterprise-grade templates, and scale securely with deployment guides for cloud and on-prem environments with **Haystack Enterprise Starter**. Read more about it in the [announcement post](https://haystack.deepset.ai/blog/announcing-haystack-enterprise). 👉 [Get Haystack Enterprise Starter](https://www.deepset.ai/products-and-services/haystack-enterprise-starter?utm_source=github.com&utm_medium=referral&utm_campaign=haystack_enterprise) Need a managed production setup for Haystack? The **Haystack Enterprise Platform** helps you build, test, deploy and operate Haystack pipelines with built-in observability, collaboration, governance, and access controls. It’s available as a managed cloud service or as a self-hosted solution. 👉 Learn more about [Haystack Enterprise Platform](https://www.deepset.ai/products-and-services/haystack-enterprise-platform?utm_campaign=developer-relations&utm_source=haystack&utm_medium=readme) or [try it free](https://www.deepset.ai/haystack-enterprise-platform-trial?utm_campaign=developer-relations&utm_source=haystack&utm_medium=readme) ## Telemetry Haystack collects **anonymous** usage statistics of pipeline components. We receive an event every time these components are initialized. This way, we know which components are most relevant to our community. Read more about telemetry in Haystack or how you can opt out in [Haystack docs](https://docs.haystack.deepset.ai/docs/telemetry). ## 🖖 Community If you have a feature request or a bug report, feel free to open an [issue in GitHub](https://github.com/deepset-ai/haystack/issues). We regularly check these, so you can expect a quick response. If you'd like to discuss a topic or get more general advice on how to make Haystack work for your project, you can start a thread in [Github Discussions](https://github.com/deepset-ai/haystack/discussions) or our [Discord channel](https://discord.com/invite/VBpFzsgRVF). We also check [𝕏 (Twitter)](https://twitter.com/haystack_ai) and [Stack Overflow](https://stackoverflow.com/questions/tagged/haystack). ## Contributing to Haystack We are very open to the community's contributions - be it a quick fix of a typo, or a completely new feature! You don't need to be a Haystack expert to provide meaningful improvements. To learn how to get started, check out our [Contributor Guidelines](https://github.com/deepset-ai/haystack/blob/main/CONTRIBUTING.md) first. There are several ways you can contribute to Haystack: - Contribute to the main Haystack project - Contribute an integration on [haystack-core-integrations](https://github.com/deepset-ai/haystack-core-integrations) - Contribute to the documentation in [haystack/docs-website](https://github.com/deepset-ai/haystack/tree/main/docs-website) > [!TIP] >👉 **[Check out the full list of issues that are open to contributions](https://github.com/orgs/deepset-ai/projects/14)** ## Organizations using Haystack Haystack is used by thousands of teams building production AI systems across industries, including: - **Technology & AI Infrastructure**: [Apple](https://www.apple.com/), [Meta](https://www.meta.com/about), [Databricks](https://www.databricks.com/), [NVIDIA](https://developer.nvidia.com/blog/reducing-development-time-for-intelligent-virtual-assistants-in-contact-centers/), [Intel](https://github.com/intel/open-domain-question-and-answer#readme) - **Public Sector AI Initiatives**: [European Commission](https://commission.europa.eu/index_en), [German Federal Ministry of Research, Technology, and Space (BMFTR)](https://www.deepset.ai/case-studies/german-federal-ministry-research-technology-space-bmftr), [PD, Baden-Württemberg State](https://www.pd-g.de/) - **Enterprise & Industrial AI Applications**: [Airbus](https://www.deepset.ai/case-studies/airbus), [Lufthansa Industry Solutions](https://haystack.deepset.ai/blog/lufthansa-user-story), [Infineon](https://www.infineon.com/), [LEGO](https://github.com/larsbaunwall/bricky#readme), [Comcast](https://arxiv.org/html/2405.00801v2), [Accenture](https://www.accenture.com/), [TELUS Agriculture & Consumer Goods](https://www.telus.com/agcg/en) - **Knowledge & Content Platforms**: [Netflix](https://netflix.com), [ZEIT Online](https://www.deepset.ai/case-studies/zeit-online), [Rakuten](https://www.rakuten.com/), [Oxford University Press](https://corp.oup.com/), [Manz](https://www.deepset.ai/case-studies/manz), [YPulse](https://www.deepset.ai/case-studies/ypulse) Are you also using Haystack? Open a PR or [tell us your story](https://forms.gle/Mm3G1aEST3GAH2rn8)
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