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LangChain

Reticle for LangChain

io.github.reticlehq/reticle

Verify a running web app from the inside over MCP: look, act, observe, assert. No screenshots.

client:LangChain transport:stdio runtime:npm

Install Reticle in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "reticle": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@reticlehq/server"],
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

Reticle in other clients