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Langflow

Monta agentes de IA, RAG e servidores MCP em editor visual de código aberto

por IBM

Em portuguêsUsa inteligência artificial
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155,5 mil

Última versão: v1.12.5, de 6 de outubro de 2026

Sobre o Langflow

Langflow é uma ferramenta de código aberto para montar agentes de IA, aplicações de RAG e servidores MCP em um editor visual de arrastar e soltar, com componentes personalizáveis em Python. O projeto pertence à IBM desde a compra da DataStax, que controlava o Langflow.

Pode ser instalado como pacote Python, com Docker ou pelo Langflow Desktop, disponível para macOS 13 ou superior e Windows. O download do app desktop exige preencher um formulário com nome e e-mail.

Principais recursos

  • Editor visual de arrastar e soltar para agentes e RAG
  • Componentes personalizáveis com código Python
  • Fluxos publicados como API e como servidores MCP
  • Suporte aos principais LLMs e bancos de dados vetoriais
  • Langflow Desktop para macOS e Windows

Novidades

Novidades da versão v1.12.5Publicada em 6 de outubro de 2026. Notas do GitHub, em inglês.Mostrar

What's Changed

🐛 Bug Fixes

  • fix(mcp): stop session leak and timeout retries by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/15460
  • fix(mcp): bound server discovery concurrency and cleanup by @Adam-Aghili in https://github.com/langflow-ai/langflow/pull/15522
  • fix(mcp): forward global variable headers from the environment by @erichare in https://github.com/langflow-ai/langflow/pull/15500
  • fix(mcp): redact server credentials from management responses by @erichare in https://github.com/langflow-ai/langflow/pull/15529
  • fix(a2a): enforce authenticated execution policy by @erichare in https://github.com/langflow-ai/langflow/pull/15530
  • fix(security): restrict built-in code execution to administrators by @erichare in https://github.com/langflow-ai/langflow/pull/15531
  • fix(security): confine stored chat attachments to authorized storage by @erichare in https://github.com/langflow-ai/langflow/pull/15532
  • fix(deps): upgrade vulnerable dependencies for 1.12.5 by @Adam-Aghili in https://github.com/langflow-ai/langflow/pull/15505
  • fix(lfx): stop Data addition from mutating the left operand's lists by @viktoravelino in https://github.com/langflow-ai/langflow/pull/15514
  • fix(mcp): replace a pooled session whose server died by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/15469
  • fix(memory): preserve cancelled ingestion status on release-1.12.5 by @erichare in https://github.com/langflow-ai/langflow/pull/15554
  • fix(lfx): match numeric columns in the Filter equals operators by @MohammadHijjawi97 in https://github.com/langflow-ai/langflow/pull/15486
  • fix(api): bound the session list returned by /monitor/messages/sessions by @AhsanAkhlaq in https://github.com/langflow-ai/langflow/pull/15466
  • fix(lfx): skip the markdown delimiter row in Text to DataFrame by @MohammadHijjawi97 in https://github.com/langflow-ai/langflow/pull/15485
  • fix(tools): disambiguate duplicate tool names by @Cristhianzl in https://github.com/langflow-ai/langflow/pull/15556
  • fix(mcp): resolve tool arguments from configured values by @erichare in https://github.com/langflow-ai/langflow/pull/15565
  • fix: preserve source columns when merging tables by @LimbC-C in https://github.com/langflow-ai/langflow/pull/15543
  • fix(playground): keep new chats out of older sessions now that the session list is capped by @viktoravelino in https://github.com/langflow-ai/langflow/pull/15581

New Contributors

  • @MohammadHijjawi97 made their first contribution in https://github.com/langflow-ai/langflow/pull/15486
  • @LimbC-C made their first contribution in https://github.com/langflow-ai/langflow/pull/15543

Full Changelog: https://github.com/langflow-ai/langflow/compare/v1.12.4...v1.12.5

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Ficha escrita pela redação do Flipters a partir das fontes acima, revisada em 6 de outubro de 2026. Preços e versões mudam: confira no site oficial antes de comprar. Como trabalhamos.