Lifecycle, licence, release, pricing and hosting changes to Haystack (framework) in the AI Agent Infrastructure Landscape. https://mrpeppersdev.github.io/agent-infrastructure-landscape/feeds/haystack-framework--haystack-deepset-ai.xml 2026-10-27T00:00:00Z AI Agent Infrastructure Landscape https://mrpeppersdev.github.io/agent-infrastructure-landscape/systems/haystack-framework--haystack-deepset-ai#2026-10-27-b99521d368 2026-10-27T00:00:00Z

Latest release first recorded as “v3.4.1 (2026-10-21)”. Pricing first recorded as “OSS framework free; Haystack Enterprise Platform: Studio $0 (1 user, 100 pipeline hours, cloud deployment), Enterprise custom”. Deployment first recorded as “Both (self-hosted + managed cloud) — OSS library; deepset Haystack Enterprise Platform (cloud or custom deployment)”. MCP support first recorded as “yes — MCPTool/MCPToolset client tools via the mcp-haystack integration (Streamable HTTP, SSE, stdio); Hayhooks can expose pipelines as MCP servers”. Source change: https://github.com/MrPeppersDev/agent-infrastructure-landscape/pull/270