Low-code visual builder for agentic and RAG applications with built-in API and MCP server
Key Features
Multi-Agent Single Agent Human-in-the-Loop Streaming Async Support Short-Term Memory Long-Term Memory Plugin System Custom Tools MCP Protocol Visual Builder API Server Self-Hosted
Community Feedback
Strengths
- Largest community in category (146k stars)
- Powerful visual editor
- Multi-agent support (ALTK, CUGA)
- Dual MCP client and server
- Active development
Weaknesses
- DataStax hosted deprecated March 2026, shutting April 2026
- IBM acquisition creates uncertainty
- Complex flows hard to debug
Langflow Details
| Organization | Langflow (DataStax / IBM) |
| Organization Type | Company |
| Category | Platform |
| Subcategory | Low code |
| Deployment | Self-Hosted |
| Primary Language | Python |
| Runtime | Python 3.10+ |
| License | MIT |
| Commercial Use | Unrestricted |
| Install Command | pip install langflow |
| GitHub Stars | 146,168 |
| GitHub Forks | 8,649 |
| Release Cadence | Biweekly |
| Maturity | Stable |
| Pricing Model | Free |
| Free Tier | Fully free and open-source (MIT) |
| Self-Hosted Free | Yes |
| Cost Model | free + LLM costs |
| Community Size | Massive (146k stars) |
| Community Activity | Very active |
| Sentiment | Positive |
| GPU Required | No |
| Research Date | 2026-03-24 |
| LLM Providers | OpenAI, Anthropic, Google, Ollama, Azure, AWS, local models |
| API Keys Required | LLM provider API key |
Use Cases
- Visual AI workflow development
- RAG application building
- Multi-agent system design
- MCP server creation
When to Use
Best for: Visual AI workflow development with MCP server capabilities
Avoid when: Need stable managed cloud hosting — DataStax hosted shutting down
Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a