Calculator for LangChain
io.github.slettmayer/calc-mcp-server
Exact arithmetic: one calculator tool over an AST allowlist, with integers exact at any size.
client:LangChain
transport:stdio
runtime:pypi
Install Calculator in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"calc-mcp-server": {
"transport": "stdio",
"command": "uvx",
"args": ["calc-mcp-server"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs