{
  "id": "tool:haystack",
  "_kind": "Tool",
  "_file": "domain/tools/tools-knowledge-platforms.yaml",
  "_cluster": "domain",
  "attributes": {
    "displayName": "Haystack",
    "homepageUrl": "https://haystack.deepset.ai",
    "kind": "other",
    "description": "Open-source NLP framework by deepset for building production-grade\nRAG pipelines, semantic search, and question answering systems.\nProvides a composable pipeline architecture with components for\ndocument preprocessing, embedding, retrieval (dense, sparse, hybrid),\nre-ranking, and generation. Supports multiple LLM and vector store\nbackends. Pipeline-as-code design with YAML serialization for\nreproducibility and deployment.\n"
  },
  "outgoingEdges": [
    {
      "from": "tool:haystack",
      "to": "language:python",
      "kind": "belongs_to_language"
    },
    {
      "from": "tool:haystack",
      "to": "skill-area:knowledge-fabric-design",
      "kind": "tool_used_by",
      "attributes": {}
    },
    {
      "from": "tool:haystack",
      "to": "skill-area:rag-pipeline-engineering",
      "kind": "tool_used_by",
      "attributes": {}
    },
    {
      "from": "tool:haystack",
      "to": "skill-area:knowledge-fabric-design",
      "kind": "used_for"
    },
    {
      "from": "tool:haystack",
      "to": "skill-area:rag-pipeline-engineering",
      "kind": "used_for"
    },
    {
      "from": "tool:haystack",
      "to": "tool:cognita",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "RAG frameworks — Haystack is a composable pipeline framework; Cognita is a modular RAG app"
      }
    },
    {
      "from": "tool:haystack",
      "to": "tool:verba",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "RAG frameworks — Haystack is a pipeline framework; Verba is a turnkey RAG chatbot"
      }
    }
  ],
  "incomingEdges": [
    {
      "from": "knowledge-fabric-impl:haystack-rag-fabric",
      "to": "tool:haystack",
      "kind": "integrates_with",
      "attributes": {}
    },
    {
      "from": "skill-area:knowledge-fabric-design",
      "to": "tool:haystack",
      "kind": "uses_tool"
    },
    {
      "from": "skill-area:rag-pipeline-engineering",
      "to": "tool:haystack",
      "kind": "uses_tool"
    },
    {
      "from": "skill-area:retrieval-evaluation",
      "to": "tool:haystack",
      "kind": "uses_tool"
    },
    {
      "from": "tool:cognita",
      "to": "tool:haystack",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "RAG frameworks — Cognita is a modular RAG app; Haystack is a composable pipeline framework"
      }
    },
    {
      "from": "tool:verba",
      "to": "tool:haystack",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "RAG frameworks — Verba is a turnkey RAG chatbot; Haystack is a pipeline framework"
      }
    },
    {
      "from": "tool-server:mcp-haystack",
      "to": "tool:haystack",
      "kind": "integrates_with",
      "attributes": {}
    }
  ]
}