Cost Guard MCP for LangChain
io.github.mcpsmiths/cost-guard-mcp
Pre-flight query cost and result-size guardrails for AI agents on BigQuery, Snowflake, Databricks
client:LangChain
transport:stdio
runtime:pypi
Install Cost Guard MCP in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"cost-guard-mcp": {
"transport": "stdio",
"command": "uvx",
"args": ["cost-guard-mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs