langflow

A visual low-code platform for building and deploying multi-agent AI workflows; flows can be exported as MCP server tools so agents connect to them as callable endpoints, with integrations for all major LLMs and vector stores.

Connects to: OpenAI, Anthropic, Azure, LangSmith, LangFuse, Pinecone, Qdrant · · MIT 151,100★

Use it with an AI agent

Loadbay is an MCP server, so an agent can search the catalog and find this harness:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp

• Source: https://github.com/langflow-ai/langflow
• This harness as JSON: /api/harnesses/langflow
• Agent setup: /setup.md
• Browse all 700+ harnesses on Loadbay