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mcp/harbor
LangChain

Regex-LE for LangChain

io.github.nolindnaidoo/regex-le

Extract regular expressions from code, each with a ReDoS safety verdict.

client:LangChain transport:stdio runtime:npm

Install Regex-LE in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "regex-le": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "regex-le-mcp"],
        }
})

tools = await client.get_tools()

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

Regex-LE in other clients

Regex-LE MCP server