langchain

Framework for building LLM applications and agents with composable chains, tools, and integrations across many providers.

Connects to: OpenAI, Anthropic · Python · MIT 139,564★

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/langchain-ai/langchain
• This harness as JSON: /api/harnesses/langchain
• Agent setup: /setup.md
• Browse all 370+ harnesses on Loadbay