LangChain

FIXSIM for LangChain

io.github.gammathreetrading/fixsim

Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.

client:LangChain transport:streamable-http tools:21

Install FIXSIM in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "fixsim": {
            "transport": "streamable_http",
            "url": "https://mcp.fixsim.com/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

FIXSIM in other clients

FIXSIM MCP server