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LangChain

Backfill Fetch for LangChain

top.backfill/backfill-fetch

Pay-per-fetch web extraction for agents: POST a URL, get clean markdown. x402 USDC on Base.

client:LangChain transport:streamable-http tools:2

Install Backfill Fetch in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "backfill-fetch": {
            "transport": "streamable_http",
            "url": "https://backfill.top/mcp",
        }
})

tools = await client.get_tools()

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

What LangChain can do once it is connected

Backfill Fetch in other clients